NRC Form 360A
type: Ontology
creation date: 2025-12-17T11:02:49-05:00
imports: http://semantic-mediawiki.org/swivt/1.0

NRC Form 360A
type: Subject
page: https://kanterella.com/NRC_Form_360A
wiki namespace: 0
wiki page content language: en
wiki page sort key: NRC Form 360A

05000454/LER-1998-018, Corrected LER 98-018-00:on 980912,inoperable Unit 1 DG Was Noted.Caused by Low Lube Oil Pressure Condition.Immediately Entered Into Lcoar for AC Sources TS 3.8.1.1,Action a
type: Subject
page: https://kanterella.com/05000454/LER-2D1998-2D018-2C_Corrected_LER_98-2D018-2D00-3Aon_980912-2Cinoperable_Unit_1_DG_Was_Noted.Caused_by_Low_Lube_Oil_Pressure_Condition.Immediately_Entered_Into_Lcoar_fo…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000454/LER-1998-018, Corrected LER 98-018-00:on 980912,inoperable Unit 1 DG Was Noted.Caused by Low Lube Oil Pressure Condition.Immediately Entered Into Lcoar for AC Sources TS 3.8.1.1,Action a

LER-1988-003, :on 880130,inadvertent Automatic loss-of-normal Power Actuation Occurred on Two of Engineered Safeguards Actuation Sys.Immediate Cause Not Apparent.Wiring Error Identified & Corrected
type: Subject
label: 05000336/LER-1988-003, :on 880130,inadvertent Automatic loss-of-normal Power Actuation Occurred on Two of Engineered Safeguards Actuation Sys.Immediate Cause Not Apparent.Wiring Error Identified & Corrected
page: https://kanterella.com/05000336/LER-2D1988-2D003-2C_-3Aon_880130-2Cinadvertent_Automatic_loss-2Dof-2Dnormal_Power_Actuation_Occurred_on_Two_of_Engineered_Safeguards_Actuation_Sys.Immediate_Cause_Not_A…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000336/LER-1988-003, :on 880130,inadvertent Automatic loss-of-normal Power Actuation Occurred on Two of Engineered Safeguards Actuation Sys.Immediate Cause Not Apparent.Wiring Error Identified & Corrected

LER-1988-010, :on 881115,noticed That One of Hydraulic Snubbers Had No Visible Signs of Fluid in Reservoir.Caused by Small Crack at Base of Plastic Reservoir.Visual Insp of All Snubbers in Containment Performed
type: Subject
label: 05000245/LER-1988-010, :on 881115,noticed That One of Hydraulic Snubbers Had No Visible Signs of Fluid in Reservoir.Caused by Small Crack at Base of Plastic Reservoir.Visual Insp of All Snubbers in Containment Performed
page: https://kanterella.com/05000245/LER-2D1988-2D010-2C_-3Aon_881115-2Cnoticed_That_One_of_Hydraulic_Snubbers_Had_No_Visible_Signs_of_Fluid_in_Reservoir.Caused_by_Small_Crack_at_Base_of_Plastic_Reservoir.…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000245/LER-1988-010, :on 881115,noticed That One of Hydraulic Snubbers Had No Visible Signs of Fluid in Reservoir.Caused by Small Crack at Base of Plastic Reservoir.Visual Insp of All Snubbers in Containment Performed

O Source Check. Caused by Personnel Error.No Corrective Action Taken as Check Added to Procedure Before Violation
type: Subject
label: 05000336/LER-1989-007, :on 890613,condensate Polishing Facility Radiation Monitor 2-CND-RE-245 Operated W/O Source Check. Caused by Personnel Error.No Corrective Action Taken as Check Added to Procedure Before Violation
page: https://kanterella.com/05000336/LER-2D1989-2D007-2C_-3Aon_890613-2Ccondensate_Polishing_Facility_Radiation_Monitor_2-2DCND-2DRE-2D245_Operated_W/O_Source_Check._Caused_by_Personnel_Error.No_Corrective…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000336/LER-1989-007, :on 890613,condensate Polishing Facility Radiation Monitor 2-CND-RE-245 Operated W/O Source Check. Caused by Personnel Error.No Corrective Action Taken as Check Added to Procedure Before Violation

LER-1987-010-01, :on 870730,inadequacies Identified in Fire Protection Coating on Raceway Support Structures in Main Cable Vault & Hallway Leading to Charging Pumps.Hourly Fire Watch Started & Automatic Sprinkler Installed
type: Subject
label: 05000336/LER-1987-010-01, :on 870730,inadequacies Identified in Fire Protection Coating on Raceway Support Structures in Main Cable Vault & Hallway Leading to Charging Pumps.Hourly Fire Watch Started & Automatic Sprinkler Installed
page: https://kanterella.com/05000336/LER-2D1987-2D010-2D01-2C_-3Aon_870730-2Cinadequacies_Identified_in_Fire_Protection_Coating_on_Raceway_Support_Structures_in_Main_Cable_Vault_-26_Hallway_Leading_to_Char…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000336/LER-1987-010-01, :on 870730,inadequacies Identified in Fire Protection Coating on Raceway Support Structures in Main Cable Vault & Hallway Leading to Charging Pumps.Hourly Fire Watch Started & Automatic Sprinkler Installed

LER-1998-003-04, :on 980416,high RCS Activity & ESF Actuation Occurred.Caused by Inadequate RCS Cleanup & Weak Administrative Controls.Posted Area Surrounding Refueling Cavity as High Radiation Area
type: Subject
label: 05000455/LER-1998-003-04, :on 980416,high RCS Activity & ESF Actuation Occurred.Caused by Inadequate RCS Cleanup & Weak Administrative Controls.Posted Area Surrounding Refueling Cavity as High Radiation Area
page: https://kanterella.com/05000455/LER-2D1998-2D003-2D04-2C_-3Aon_980416-2Chigh_RCS_Activity_-26_ESF_Actuation_Occurred.Caused_by_Inadequate_RCS_Cleanup_-26_Weak_Administrative_Controls.Posted_Area_Surro…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000455/LER-1998-003-04, :on 980416,high RCS Activity & ESF Actuation Occurred.Caused by Inadequate RCS Cleanup & Weak Administrative Controls.Posted Area Surrounding Refueling Cavity as High Radiation Area

LER-1989-016, :on 890616,both Channels of Upper Range Reactor Vessel Level Instrumentation Found Inoperable.Caused by Supervision Assigning Unqualified Technician to Return Instrumentation to Svc on 890528
type: Subject
label: 05000414/LER-1989-016, :on 890616,both Channels of Upper Range Reactor Vessel Level Instrumentation Found Inoperable.Caused by Supervision Assigning Unqualified Technician to Return Instrumentation to Svc on 890528
page: https://kanterella.com/05000414/LER-2D1989-2D016-2C_-3Aon_890616-2Cboth_Channels_of_Upper_Range_Reactor_Vessel_Level_Instrumentation_Found_Inoperable.Caused_by_Supervision_Assigning_Unqualified_Techni…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000414/LER-1989-016, :on 890616,both Channels of Upper Range Reactor Vessel Level Instrumentation Found Inoperable.Caused by Supervision Assigning Unqualified Technician to Return Instrumentation to Svc on 890528

05000327/LER-1998-002-03, :on 980716,inadequate Surveillance Testing Was Discovered.Caused by Misinterpretation of ANSI Standard. Revised Appropriate Procedures to Provide Required Guidance
type: Subject
page: https://kanterella.com/05000327/LER-2D1998-2D002-2D03-2C_-3Aon_980716-2Cinadequate_Surveillance_Testing_Was_Discovered.Caused_by_Misinterpretation_of_ANSI_Standard._Revised_Appropriate_Procedures_to_P…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000327/LER-1998-002-03, :on 980716,inadequate Surveillance Testing Was Discovered.Caused by Misinterpretation of ANSI Standard. Revised Appropriate Procedures to Provide Required Guidance

LER-1987-040, :on 871105,turbine-driven Auxiliary Feedwater Pump Automatically Opened & Steam Generator Blowdown Containment Isolation Valves Closed.Caused by Procedural Deficiency.Procedures Revised
type: Subject
label: 05000413/LER-1987-040, :on 871105,turbine-driven Auxiliary Feedwater Pump Automatically Opened & Steam Generator Blowdown Containment Isolation Valves Closed.Caused by Procedural Deficiency.Procedures Revised
page: https://kanterella.com/05000413/LER-2D1987-2D040-2C_-3Aon_871105-2Cturbine-2Ddriven_Auxiliary_Feedwater_Pump_Automatically_Opened_-26_Steam_Generator_Blowdown_Containment_Isolation_Valves_Closed.Cause…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000413/LER-1987-040, :on 871105,turbine-driven Auxiliary Feedwater Pump Automatically Opened & Steam Generator Blowdown Containment Isolation Valves Closed.Caused by Procedural Deficiency.Procedures Revised

O Subsequent Reapplication of Coating.Replaced Coating
type: Subject
label: 05000266/LER-1998-019, :on 980615,discovered That Containment Hydrogen Monitors Lacked Environmentally Qualified Coating on Terminal Strips.Caused by Terminal Strips Being Disturbed W/O Subsequent Reapplication of Coating.Replaced Coating
page: https://kanterella.com/05000266/LER-2D1998-2D019-2C_-3Aon_980615-2Cdiscovered_That_Containment_Hydrogen_Monitors_Lacked_Environmentally_Qualified_Coating_on_Terminal_Strips.Caused_by_Terminal_Strips_B…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000266/LER-1998-019, :on 980615,discovered That Containment Hydrogen Monitors Lacked Environmentally Qualified Coating on Terminal Strips.Caused by Terminal Strips Being Disturbed W/O Subsequent Reapplication of Coating.Replaced Coating

LER-1989-010, :on 890206,train B of Standby Gas Treatment Sys Automatically Actuated While Power Restored to Div I,Class IE Ac Power Sys.Caused by Use of Incorrect Sequence for Power Restoration Leads.Work Plans Reviewed
type: Subject
label: 05000461/LER-1989-010, :on 890206,train B of Standby Gas Treatment Sys Automatically Actuated While Power Restored to Div I,Class IE Ac Power Sys.Caused by Use of Incorrect Sequence for Power Restoration Leads.Work Plans Reviewed
page: https://kanterella.com/05000461/LER-2D1989-2D010-2C_-3Aon_890206-2Ctrain_B_of_Standby_Gas_Treatment_Sys_Automatically_Actuated_While_Power_Restored_to_Div_I-2CClass_IE_Ac_Power_Sys.Caused_by_Use_of_In…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000461/LER-1989-010, :on 890206,train B of Standby Gas Treatment Sys Automatically Actuated While Power Restored to Div I,Class IE Ac Power Sys.Caused by Use of Incorrect Sequence for Power Restoration Leads.Work Plans Reviewed

LER-1997-020-02, :on 970908,identified That Main Steam Instrument Cabling Routed Through Main Steam Tunnels in Contradiction to Ufsar.Cause & Corrective Actions Will Be Submitted in Supplemental LER
type: Subject
label: 05000295/LER-1997-020-02, :on 970908,identified That Main Steam Instrument Cabling Routed Through Main Steam Tunnels in Contradiction to Ufsar.Cause & Corrective Actions Will Be Submitted in Supplemental LER
page: https://kanterella.com/05000295/LER-2D1997-2D020-2D02-2C_-3Aon_970908-2Cidentified_That_Main_Steam_Instrument_Cabling_Routed_Through_Main_Steam_Tunnels_in_Contradiction_to_Ufsar.Cause_-26_Corrective_A…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000295/LER-1997-020-02, :on 970908,identified That Main Steam Instrument Cabling Routed Through Main Steam Tunnels in Contradiction to Ufsar.Cause & Corrective Actions Will Be Submitted in Supplemental LER

LER-1997-013, :on 960807,plant Was Noted Outside Design Basis Due to Inadequate Scram Discharge Volume Mod.Inadequate Design Review May Have Caused Condition.Cause Is Unknown. Implemented Mod MP96-121 in May 1997
type: Subject
label: 05000298/LER-1997-013, :on 960807,plant Was Noted Outside Design Basis Due to Inadequate Scram Discharge Volume Mod.Inadequate Design Review May Have Caused Condition.Cause Is Unknown. Implemented Mod MP96-121 in May 1997
page: https://kanterella.com/05000298/LER-2D1997-2D013-2C_-3Aon_960807-2Cplant_Was_Noted_Outside_Design_Basis_Due_to_Inadequate_Scram_Discharge_Volume_Mod.Inadequate_Design_Review_May_Have_Caused_Condition.…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000298/LER-1997-013, :on 960807,plant Was Noted Outside Design Basis Due to Inadequate Scram Discharge Volume Mod.Inadequate Design Review May Have Caused Condition.Cause Is Unknown. Implemented Mod MP96-121 in May 1997

LER-1997-037-01, :on 970930,house Heating Boiler Ash Was Found to Be Slightly Contaminated.Caused by Unmonitored Release Path for Airborne Effluents IAW Requirements of TS 4.8.D.4. Restricted Boiler Use Until SE Was Performed
type: Subject
label: 05000245/LER-1997-037-01, :on 970930,house Heating Boiler Ash Was Found to Be Slightly Contaminated.Caused by Unmonitored Release Path for Airborne Effluents IAW Requirements of TS 4.8.D.4. Restricted Boiler Use Until SE Was Performed
page: https://kanterella.com/05000245/LER-2D1997-2D037-2D01-2C_-3Aon_970930-2Chouse_Heating_Boiler_Ash_Was_Found_to_Be_Slightly_Contaminated.Caused_by_Unmonitored_Release_Path_for_Airborne_Effluents_IAW_Req…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000245/LER-1997-037-01, :on 970930,house Heating Boiler Ash Was Found to Be Slightly Contaminated.Caused by Unmonitored Release Path for Airborne Effluents IAW Requirements of TS 4.8.D.4. Restricted Boiler Use Until SE Was Performed

LER-1999-004-02, :on 990701,determined That Thirteen MSRVs Failed to Meet 1- Setpoint Tolerance Due to Setpoint Drift.Caused by Corrosion Induced Bonding Between Pilot Disc & Seat.All Fourteen Srvs Pilot Valves Were Replaced
type: Subject
label: 05000353/LER-1999-004-02, :on 990701,determined That Thirteen MSRVs Failed to Meet 1% Setpoint Tolerance Due to Setpoint Drift.Caused by Corrosion Induced Bonding Between Pilot Disc & Seat.All Fourteen Srvs Pilot Valves Were Replaced
page: https://kanterella.com/05000353/LER-2D1999-2D004-2D02-2C_-3Aon_990701-2Cdetermined_That_Thirteen_MSRVs_Failed_to_Meet_1-_Setpoint_Tolerance_Due_to_Setpoint_Drift.Caused_by_Corrosion_Induced_Bonding_Be…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000353/LER-1999-004-02, :on 990701,determined That Thirteen MSRVs Failed to Meet 1% Setpoint Tolerance Due to Setpoint Drift.Caused by Corrosion Induced Bonding Between Pilot Disc & Seat.All Fourteen Srvs Pilot Valves Were Replaced

Load Unbalance Test Routine Test Procedure.With
type: Subject
label: 05000352/LER-1999-005, :on 990611,RPS & ESF Actuations Were Noted. Caused by Personnel Error During Turbine Routine Testing. Revised Backup Overspeed & Power/Load Unbalance Test Routine Test Procedure.With
page: https://kanterella.com/05000352/LER-2D1999-2D005-2C_-3Aon_990611-2CRPS_-26_ESF_Actuations_Were_Noted._Caused_by_Personnel_Error_During_Turbine_Routine_Testing._Revised_Backup_Overspeed_-26_Power/Load_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000352/LER-1999-005, :on 990611,RPS & ESF Actuations Were Noted. Caused by Personnel Error During Turbine Routine Testing. Revised Backup Overspeed & Power/Load Unbalance Test Routine Test Procedure.With

05000289/LER-1999-001-01, :on 990122,short Sections of Piping Caused by Misplacement of Sensing Elements & Insulation.Caused by Failure to Adhere to Vendor instruction.Re-installed Heat Trace Sys
type: Subject
page: https://kanterella.com/05000289/LER-2D1999-2D001-2D01-2C_-3Aon_990122-2Cshort_Sections_of_Piping_Caused_by_Misplacement_of_Sensing_Elements_-26_Insulation.Caused_by_Failure_to_Adhere_to_Vendor_instruc…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000289/LER-1999-001-01, :on 990122,short Sections of Piping Caused by Misplacement of Sensing Elements & Insulation.Caused by Failure to Adhere to Vendor instruction.Re-installed Heat Trace Sys

LER-1999-004, :on 990310,operation Prohibited by TSs Was Noted.Caused by Incorrect TS Requirements for Cravs & Auxiliary Bldg Filtered Ventilation Exhaust Sys Actuation Instrumentation.Submitted Lar.With
type: Subject
label: 05000413/LER-1999-004, :on 990310,operation Prohibited by TSs Was Noted.Caused by Incorrect TS Requirements for Cravs & Auxiliary Bldg Filtered Ventilation Exhaust Sys Actuation Instrumentation.Submitted Lar.With
page: https://kanterella.com/05000413/LER-2D1999-2D004-2C_-3Aon_990310-2Coperation_Prohibited_by_TSs_Was_Noted.Caused_by_Incorrect_TS_Requirements_for_Cravs_-26_Auxiliary_Bldg_Filtered_Ventilation_Exhaust_S…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000413/LER-1999-004, :on 990310,operation Prohibited by TSs Was Noted.Caused by Incorrect TS Requirements for Cravs & Auxiliary Bldg Filtered Ventilation Exhaust Sys Actuation Instrumentation.Submitted Lar.With

LER-1997-004-04, :on 971010,discovered That RHR Swp LCO Is non- Conservative.Caused by Error in Preparation & Approval of Original TS 3.5.C.Will Submit TS Change to NRC to Remove non-conservatism from TS 3.5.C
type: Subject
label: 05000259/LER-1997-004-04, :on 971010,discovered That RHR Swp LCO Is non- Conservative.Caused by Error in Preparation & Approval of Original TS 3.5.C.Will Submit TS Change to NRC to Remove non-conservatism from TS 3.5.C
page: https://kanterella.com/05000259/LER-2D1997-2D004-2D04-2C_-3Aon_971010-2Cdiscovered_That_RHR_Swp_LCO_Is_non-2D_Conservative.Caused_by_Error_in_Preparation_-26_Approval_of_Original_TS_3.5.C.Will_Submit_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000259/LER-1997-004-04, :on 971010,discovered That RHR Swp LCO Is non- Conservative.Caused by Error in Preparation & Approval of Original TS 3.5.C.Will Submit TS Change to NRC to Remove non-conservatism from TS 3.5.C

Ts 4.5.2.Verified Valves Open on 971222
type: Subject
label: 05000346/LER-1997-016-01, :on 971217,monthly ECCS Valve Position SR Was Missed.Caused by Flow Path That Was Not Part of Contiguous ECCS Flow Path Envisioned for Compliance W/Ts 4.5.2.Verified Valves Open on 971222
page: https://kanterella.com/05000346/LER-2D1997-2D016-2D01-2C_-3Aon_971217-2Cmonthly_ECCS_Valve_Position_SR_Was_Missed.Caused_by_Flow_Path_That_Was_Not_Part_of_Contiguous_ECCS_Flow_Path_Envisioned_for_Comp…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000346/LER-1997-016-01, :on 971217,monthly ECCS Valve Position SR Was Missed.Caused by Flow Path That Was Not Part of Contiguous ECCS Flow Path Envisioned for Compliance W/Ts 4.5.2.Verified Valves Open on 971222

05000348/LER-1999-002-02, :on 990527,Unit 1 Reactor Trip Occurred Following Loss of 1A SG Feedwater Pump.Caused by Personnel Error.Unit Was Stabilized in Hot Standby.With
type: Subject
page: https://kanterella.com/05000348/LER-2D1999-2D002-2D02-2C_-3Aon_990527-2CUnit_1_Reactor_Trip_Occurred_Following_Loss_of_1A_SG_Feedwater_Pump.Caused_by_Personnel_Error.Unit_Was_Stabilized_in_Hot_Standby…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000348/LER-1999-002-02, :on 990527,Unit 1 Reactor Trip Occurred Following Loss of 1A SG Feedwater Pump.Caused by Personnel Error.Unit Was Stabilized in Hot Standby.With

LER-1998-006-02, :on 981008,auxiliary FW Train B Breaker Buckets Were Not Seismically Qualified.Caused by Personnel Error. Seismic Clips Were Secured & Event Will Be Addressed in Electricians Training.With
type: Subject
label: 05000424/LER-1998-006-02, :on 981008,auxiliary FW Train B Breaker Buckets Were Not Seismically Qualified.Caused by Personnel Error. Seismic Clips Were Secured & Event Will Be Addressed in Electricians Training.With
page: https://kanterella.com/05000424/LER-2D1998-2D006-2D02-2C_-3Aon_981008-2Cauxiliary_FW_Train_B_Breaker_Buckets_Were_Not_Seismically_Qualified.Caused_by_Personnel_Error._Seismic_Clips_Were_Secured_-26_Ev…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000424/LER-1998-006-02, :on 981008,auxiliary FW Train B Breaker Buckets Were Not Seismically Qualified.Caused by Personnel Error. Seismic Clips Were Secured & Event Will Be Addressed in Electricians Training.With

LER-1998-010-01, :on 980825,potential Violation of Design Criteria During Single Auxiliary Transformer Operation Occurred.Caused by Failure to Adequately Define Job Performance Stds.Temporary Change Notice Issued
type: Subject
label: 05000289/LER-1998-010-01, :on 980825,potential Violation of Design Criteria During Single Auxiliary Transformer Operation Occurred.Caused by Failure to Adequately Define Job Performance Stds.Temporary Change Notice Issued
page: https://kanterella.com/05000289/LER-2D1998-2D010-2D01-2C_-3Aon_980825-2Cpotential_Violation_of_Design_Criteria_During_Single_Auxiliary_Transformer_Operation_Occurred.Caused_by_Failure_to_Adequately_De…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000289/LER-1998-010-01, :on 980825,potential Violation of Design Criteria During Single Auxiliary Transformer Operation Occurred.Caused by Failure to Adequately Define Job Performance Stds.Temporary Change Notice Issued

LER-1997-003-02, :on 970218,equipment Hatch Gallery Was Not Properly Attached to Containment Structure.Caused by Original Construction Deficiency.Unit 1 Containment Equipment Hatch Gallery Will Be Restored
type: Subject
label: 05000454/LER-1997-003-02, :on 970218,equipment Hatch Gallery Was Not Properly Attached to Containment Structure.Caused by Original Construction Deficiency.Unit 1 Containment Equipment Hatch Gallery Will Be Restored
page: https://kanterella.com/05000454/LER-2D1997-2D003-2D02-2C_-3Aon_970218-2Cequipment_Hatch_Gallery_Was_Not_Properly_Attached_to_Containment_Structure.Caused_by_Original_Construction_Deficiency.Unit_1_Con…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000454/LER-1997-003-02, :on 970218,equipment Hatch Gallery Was Not Properly Attached to Containment Structure.Caused by Original Construction Deficiency.Unit 1 Containment Equipment Hatch Gallery Will Be Restored

LER-1997-003-01, :on 970424,fuel Moved in Spent Fuel Pool Without Charcoal Absorber Banks Being in Svc.Caused by Personnel Error.Fuel Movement Suspended Until All Appropriate Personnel Could Be Trained
type: Subject
label: 05000317/LER-1997-003-01, :on 970424,fuel Moved in Spent Fuel Pool Without Charcoal Absorber Banks Being in Svc.Caused by Personnel Error.Fuel Movement Suspended Until All Appropriate Personnel Could Be Trained
page: https://kanterella.com/05000317/LER-2D1997-2D003-2D01-2C_-3Aon_970424-2Cfuel_Moved_in_Spent_Fuel_Pool_Without_Charcoal_Absorber_Banks_Being_in_Svc.Caused_by_Personnel_Error.Fuel_Movement_Suspended_Unt…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000317/LER-1997-003-01, :on 970424,fuel Moved in Spent Fuel Pool Without Charcoal Absorber Banks Being in Svc.Caused by Personnel Error.Fuel Movement Suspended Until All Appropriate Personnel Could Be Trained

LER-1997-012, :on 970531,portions of Industrial Cooling Sys Failed to Meet Es Requirements.Caused by Design Error. Upgraded Associated Piping,Supports & Coolers Inside Containments Are Required
type: Subject
label: 05000302/LER-1997-012, :on 970531,portions of Industrial Cooling Sys Failed to Meet Es Requirements.Caused by Design Error. Upgraded Associated Piping,Supports & Coolers Inside Containments Are Required
page: https://kanterella.com/05000302/LER-2D1997-2D012-2C_-3Aon_970531-2Cportions_of_Industrial_Cooling_Sys_Failed_to_Meet_Es_Requirements.Caused_by_Design_Error._Upgraded_Associated_Piping-2CSupports_-26_C…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000302/LER-1997-012, :on 970531,portions of Industrial Cooling Sys Failed to Meet Es Requirements.Caused by Design Error. Upgraded Associated Piping,Supports & Coolers Inside Containments Are Required

05000413/LER-1997-004-02, :on 970514,inadequate Surveillance Determined. Caused by Interpretation of Conflicting TS Requirements. Station Procedures Revised to Ensure TS Surveillance 4.5.3.2 Is Met
type: Subject
page: https://kanterella.com/05000413/LER-2D1997-2D004-2D02-2C_-3Aon_970514-2Cinadequate_Surveillance_Determined._Caused_by_Interpretation_of_Conflicting_TS_Requirements._Station_Procedures_Revised_to_Ensur…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000413/LER-1997-004-02, :on 970514,inadequate Surveillance Determined. Caused by Interpretation of Conflicting TS Requirements. Station Procedures Revised to Ensure TS Surveillance 4.5.3.2 Is Met

LER-1997-005-01, :on 970410,declared motor-operated Reactor Bldg Purge Valves Inoperable Due to Inadequate Closing Torque. Caused by Deficient Design Analysis.Will Perform Evaluation of Valve Specific Seating Torque Test Data
type: Subject
label: 05000289/LER-1997-005-01, :on 970410,declared motor-operated Reactor Bldg Purge Valves Inoperable Due to Inadequate Closing Torque. Caused by Deficient Design Analysis.Will Perform Evaluation of Valve Specific Seating Torque Test Data
page: https://kanterella.com/05000289/LER-2D1997-2D005-2D01-2C_-3Aon_970410-2Cdeclared_motor-2Doperated_Reactor_Bldg_Purge_Valves_Inoperable_Due_to_Inadequate_Closing_Torque._Caused_by_Deficient_Design_Anal…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000289/LER-1997-005-01, :on 970410,declared motor-operated Reactor Bldg Purge Valves Inoperable Due to Inadequate Closing Torque. Caused by Deficient Design Analysis.Will Perform Evaluation of Valve Specific Seating Torque Test Data

LER-1997-005, :on 970314,misposition of Main Steam Line Radiation Monitors Was Discovered.Caused by Human & Misjudgement Errors.Design Change Was Implemented to Relocate MSLRMs Approx 24 Inches Upstream
type: Subject
label: 05000443/LER-1997-005, :on 970314,misposition of Main Steam Line Radiation Monitors Was Discovered.Caused by Human & Misjudgement Errors.Design Change Was Implemented to Relocate MSLRMs Approx 24 Inches Upstream
page: https://kanterella.com/05000443/LER-2D1997-2D005-2C_-3Aon_970314-2Cmisposition_of_Main_Steam_Line_Radiation_Monitors_Was_Discovered.Caused_by_Human_-26_Misjudgement_Errors.Design_Change_Was_Implemente…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000443/LER-1997-005, :on 970314,misposition of Main Steam Line Radiation Monitors Was Discovered.Caused by Human & Misjudgement Errors.Design Change Was Implemented to Relocate MSLRMs Approx 24 Inches Upstream

LER-1997-025, :on 970310,failure to Enter TS 3.0.3 Was Noted Upon Loss of Vital AC Bus VIAC-1.Caused by Failure to Address Inconsistency Between TS 3.3.2 & TS 3.8.3.1 During Development.Procedures Will Be Revised
type: Subject
label: 05000423/LER-1997-025, :on 970310,failure to Enter TS 3.0.3 Was Noted Upon Loss of Vital AC Bus VIAC-1.Caused by Failure to Address Inconsistency Between TS 3.3.2 & TS 3.8.3.1 During Development.Procedures Will Be Revised
page: https://kanterella.com/05000423/LER-2D1997-2D025-2C_-3Aon_970310-2Cfailure_to_Enter_TS_3.0.3_Was_Noted_Upon_Loss_of_Vital_AC_Bus_VIAC-2D1.Caused_by_Failure_to_Address_Inconsistency_Between_TS_3.3.2_-2…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000423/LER-1997-025, :on 970310,failure to Enter TS 3.0.3 Was Noted Upon Loss of Vital AC Bus VIAC-1.Caused by Failure to Address Inconsistency Between TS 3.3.2 & TS 3.8.3.1 During Development.Procedures Will Be Revised

05000245/LER-1997-017-01, :on 970222,failed to Meet TS 3.1.C, Reactor Protection Sys Power Monitoring. Caused by Personnel Error. Revised OP 344A to Delete Installation of Jumper
type: Subject
page: https://kanterella.com/05000245/LER-2D1997-2D017-2D01-2C_-3Aon_970222-2Cfailed_to_Meet_TS_3.1.C-2C_Reactor_Protection_Sys_Power_Monitoring._Caused_by_Personnel_Error._Revised_OP_344A_to_Delete_Install…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000245/LER-1997-017-01, :on 970222,failed to Meet TS 3.1.C, Reactor Protection Sys Power Monitoring. Caused by Personnel Error. Revised OP 344A to Delete Installation of Jumper

LER-1997-004, :on 970206,remote Shutdown Sys Circuits Were Not Tested Completely.Caused by Procedural Technical Inaccuracies Resulting in Required Testing Not Performed. Operability Determination Was Completed
type: Subject
label: 05000443/LER-1997-004, :on 970206,remote Shutdown Sys Circuits Were Not Tested Completely.Caused by Procedural Technical Inaccuracies Resulting in Required Testing Not Performed. Operability Determination Was Completed
page: https://kanterella.com/05000443/LER-2D1997-2D004-2C_-3Aon_970206-2Cremote_Shutdown_Sys_Circuits_Were_Not_Tested_Completely.Caused_by_Procedural_Technical_Inaccuracies_Resulting_in_Required_Testing_Not…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000443/LER-1997-004, :on 970206,remote Shutdown Sys Circuits Were Not Tested Completely.Caused by Procedural Technical Inaccuracies Resulting in Required Testing Not Performed. Operability Determination Was Completed

LER-1996-024-01, :on 961029,two Redundant Vacuum Breakers on a Station Svc Water Sys Loop Were Tested & Found Inoperable Due to Accumulation of Deposits on Internal Moving Parts. Both Vacuum Breakers on a Station,Repaired
type: Subject
label: 05000354/LER-1996-024-01, :on 961029,two Redundant Vacuum Breakers on a Station Svc Water Sys Loop Were Tested & Found Inoperable Due to Accumulation of Deposits on Internal Moving Parts. Both Vacuum Breakers on a Station,Repaired
page: https://kanterella.com/05000354/LER-2D1996-2D024-2D01-2C_-3Aon_961029-2Ctwo_Redundant_Vacuum_Breakers_on_a_Station_Svc_Water_Sys_Loop_Were_Tested_-26_Found_Inoperable_Due_to_Accumulation_of_Deposits_o…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000354/LER-1996-024-01, :on 961029,two Redundant Vacuum Breakers on a Station Svc Water Sys Loop Were Tested & Found Inoperable Due to Accumulation of Deposits on Internal Moving Parts. Both Vacuum Breakers on a Station,Repaired

05000321/LER-1997-001-01, :on 970129,pressure Boundary Leakage Results in Condition Prohibited by Tss.Cause of Event Cannot Be Determined Conclusively.Maint Personnel Repaired Line.W/
type: Subject
page: https://kanterella.com/05000321/LER-2D1997-2D001-2D01-2C_-3Aon_970129-2Cpressure_Boundary_Leakage_Results_in_Condition_Prohibited_by_Tss.Cause_of_Event_Cannot_Be_Determined_Conclusively.Maint_Personne…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000321/LER-1997-001-01, :on 970129,pressure Boundary Leakage Results in Condition Prohibited by Tss.Cause of Event Cannot Be Determined Conclusively.Maint Personnel Repaired Line.W/

05000482/LER-1996-015, :on 961023,failure to Comply with TS 3.6.1.1, Containment Integrity Occurred.Cause Under Investigation. TSC 033-85 Was Deleted & Removed from CR on 961112
type: Subject
page: https://kanterella.com/05000482/LER-2D1996-2D015-2C_-3Aon_961023-2Cfailure_to_Comply_with_TS_3.6.1.1-2C_Containment_Integrity_Occurred.Cause_Under_Investigation._TSC_033-2D85_Was_Deleted_-26_Removed_f…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000482/LER-1996-015, :on 961023,failure to Comply with TS 3.6.1.1, Containment Integrity Occurred.Cause Under Investigation. TSC 033-85 Was Deleted & Removed from CR on 961112

LER-1996-028, :on 961016,containment Personnel Air Lock Hydraulic Sys Did Not Meet App J Criteria Due to Failure to Recognize Hydraulic Sys as Separate Penetration.Hydraulic Sys Penetrations Will Be Modified
type: Subject
label: 05000213/LER-1996-028, :on 961016,containment Personnel Air Lock Hydraulic Sys Did Not Meet App J Criteria Due to Failure to Recognize Hydraulic Sys as Separate Penetration.Hydraulic Sys Penetrations Will Be Modified
page: https://kanterella.com/05000213/LER-2D1996-2D028-2C_-3Aon_961016-2Ccontainment_Personnel_Air_Lock_Hydraulic_Sys_Did_Not_Meet_App_J_Criteria_Due_to_Failure_to_Recognize_Hydraulic_Sys_as_Separate_Penetr…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000213/LER-1996-028, :on 961016,containment Personnel Air Lock Hydraulic Sys Did Not Meet App J Criteria Due to Failure to Recognize Hydraulic Sys as Separate Penetration.Hydraulic Sys Penetrations Will Be Modified

LER-1996-010, :on 961125,response Time Testing of Main Steam Isolation & Reactor Trip Circuits Occurred.Cause of Event Not Determined.Operability Determinations for Sgpnrh & Prhpfr Have Been Completed
type: Subject
label: 05000443/LER-1996-010, :on 961125,response Time Testing of Main Steam Isolation & Reactor Trip Circuits Occurred.Cause of Event Not Determined.Operability Determinations for Sgpnrh & Prhpfr Have Been Completed
page: https://kanterella.com/05000443/LER-2D1996-2D010-2C_-3Aon_961125-2Cresponse_Time_Testing_of_Main_Steam_Isolation_-26_Reactor_Trip_Circuits_Occurred.Cause_of_Event_Not_Determined.Operability_Determinat…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000443/LER-1996-010, :on 961125,response Time Testing of Main Steam Isolation & Reactor Trip Circuits Occurred.Cause of Event Not Determined.Operability Determinations for Sgpnrh & Prhpfr Have Been Completed

LER-1996-006, :on 961210,discovered EDG Had Been Inoperable for Six Days.Caused by Personnel Error.Checked Fuse Holder Covers,Conducted Tailgate Training & Revised Procedure Re Installation of Fuse Holder Covers
type: Subject
label: 05000318/LER-1996-006, :on 961210,discovered EDG Had Been Inoperable for Six Days.Caused by Personnel Error.Checked Fuse Holder Covers,Conducted Tailgate Training & Revised Procedure Re Installation of Fuse Holder Covers
page: https://kanterella.com/05000318/LER-2D1996-2D006-2C_-3Aon_961210-2Cdiscovered_EDG_Had_Been_Inoperable_for_Six_Days.Caused_by_Personnel_Error.Checked_Fuse_Holder_Covers-2CConducted_Tailgate_Training_-2…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000318/LER-1996-006, :on 961210,discovered EDG Had Been Inoperable for Six Days.Caused by Personnel Error.Checked Fuse Holder Covers,Conducted Tailgate Training & Revised Procedure Re Installation of Fuse Holder Covers

LER-1996-012-01, :on 960330,two Cold Leg Accumulator Sample Isolation Valves & Missing Data Sheet in Surveillance Package Were Inoperable.Caused by LCO Not Being Entered. Isolation Valves Were Tested
type: Subject
label: 05000327/LER-1996-012-01, :on 960330,two Cold Leg Accumulator Sample Isolation Valves & Missing Data Sheet in Surveillance Package Were Inoperable.Caused by LCO Not Being Entered. Isolation Valves Were Tested
page: https://kanterella.com/05000327/LER-2D1996-2D012-2D01-2C_-3Aon_960330-2Ctwo_Cold_Leg_Accumulator_Sample_Isolation_Valves_-26_Missing_Data_Sheet_in_Surveillance_Package_Were_Inoperable.Caused_by_LCO_No…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000327/LER-1996-012-01, :on 960330,two Cold Leg Accumulator Sample Isolation Valves & Missing Data Sheet in Surveillance Package Were Inoperable.Caused by LCO Not Being Entered. Isolation Valves Were Tested

LER-1996-006-04, :on 961206,automatic Reactor Trip Occurred. Caused by Loss of Power to Start Bus 2A,start of Four EDG & Loading of EDG 2B-B.Refurbished Breaker Installed in 2A Start Bus & Breaker Tested Acceptable
type: Subject
label: 05000328/LER-1996-006-04, :on 961206,automatic Reactor Trip Occurred. Caused by Loss of Power to Start Bus 2A,start of Four EDG & Loading of EDG 2B-B.Refurbished Breaker Installed in 2A Start Bus & Breaker Tested Acceptable
page: https://kanterella.com/05000328/LER-2D1996-2D006-2D04-2C_-3Aon_961206-2Cautomatic_Reactor_Trip_Occurred._Caused_by_Loss_of_Power_to_Start_Bus_2A-2Cstart_of_Four_EDG_-26_Loading_of_EDG_2B-2DB.Refurbish…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000328/LER-1996-006-04, :on 961206,automatic Reactor Trip Occurred. Caused by Loss of Power to Start Bus 2A,start of Four EDG & Loading of EDG 2B-B.Refurbished Breaker Installed in 2A Start Bus & Breaker Tested Acceptable

05000325/LER-1996-007, :on 960609,high Pressure Coolant Injection Sys Declared Inoperable Due to Steam Supply Valve Packing Leak. Refurbished Valve & Corrected Off Center Condition
type: Subject
page: https://kanterella.com/05000325/LER-2D1996-2D007-2C_-3Aon_960609-2Chigh_Pressure_Coolant_Injection_Sys_Declared_Inoperable_Due_to_Steam_Supply_Valve_Packing_Leak._Refurbished_Valve_-26_Corrected_Off_C…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000325/LER-1996-007, :on 960609,high Pressure Coolant Injection Sys Declared Inoperable Due to Steam Supply Valve Packing Leak. Refurbished Valve & Corrected Off Center Condition

05000271/LER-1996-004, :on 960202,discrepancies Identified in App J Leak Rate Testing Program.Caused by Design Analysis Problem. Procedure Revised
type: Subject
page: https://kanterella.com/05000271/LER-2D1996-2D004-2C_-3Aon_960202-2Cdiscrepancies_Identified_in_App_J_Leak_Rate_Testing_Program.Caused_by_Design_Analysis_Problem._Procedure_Revised
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000271/LER-1996-004, :on 960202,discrepancies Identified in App J Leak Rate Testing Program.Caused by Design Analysis Problem. Procedure Revised

LER-1996-008, :on 960806,inner Doors of Unit 1 Containment Upper Hatch Failed an Airlock Door Seal Test.Caused by Failure to Comply with Procedures TS-10A & TS-10A,App B. Containment Upper Hatch Repair Completed
type: Subject
label: 05000266/LER-1996-008, :on 960806,inner Doors of Unit 1 Containment Upper Hatch Failed an Airlock Door Seal Test.Caused by Failure to Comply with Procedures TS-10A & TS-10A,App B. Containment Upper Hatch Repair Completed
page: https://kanterella.com/05000266/LER-2D1996-2D008-2C_-3Aon_960806-2Cinner_Doors_of_Unit_1_Containment_Upper_Hatch_Failed_an_Airlock_Door_Seal_Test.Caused_by_Failure_to_Comply_with_Procedures_TS-2D10A_-…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000266/LER-1996-008, :on 960806,inner Doors of Unit 1 Containment Upper Hatch Failed an Airlock Door Seal Test.Caused by Failure to Comply with Procedures TS-10A & TS-10A,App B. Containment Upper Hatch Repair Completed

LER-1996-001-01, :on 960518,reactor Trip Occurred Due to Spurious Closure of Turbine Stop Valves.Caused by Equipment Failure.Extensive Troubleshooting Performed,Valve Examined in Place,Removed & Replaced
type: Subject
label: 05000301/LER-1996-001-01, :on 960518,reactor Trip Occurred Due to Spurious Closure of Turbine Stop Valves.Caused by Equipment Failure.Extensive Troubleshooting Performed,Valve Examined in Place,Removed & Replaced
page: https://kanterella.com/05000301/LER-2D1996-2D001-2D01-2C_-3Aon_960518-2Creactor_Trip_Occurred_Due_to_Spurious_Closure_of_Turbine_Stop_Valves.Caused_by_Equipment_Failure.Extensive_Troubleshooting_Perfo…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000301/LER-1996-001-01, :on 960518,reactor Trip Occurred Due to Spurious Closure of Turbine Stop Valves.Caused by Equipment Failure.Extensive Troubleshooting Performed,Valve Examined in Place,Removed & Replaced

LER-1996-002-05, :on 960822,discovered Failure to Properly Identify Steam Generator Tube May Have Exceeded Tech Spec Plugging Criteria.Caused by Misjudgement by Two Independent Analysts.Evaluation Performed
type: Subject
label: 05000328/LER-1996-002-05, :on 960822,discovered Failure to Properly Identify Steam Generator Tube May Have Exceeded Tech Spec Plugging Criteria.Caused by Misjudgement by Two Independent Analysts.Evaluation Performed
page: https://kanterella.com/05000328/LER-2D1996-2D002-2D05-2C_-3Aon_960822-2Cdiscovered_Failure_to_Properly_Identify_Steam_Generator_Tube_May_Have_Exceeded_Tech_Spec_Plugging_Criteria.Caused_by_Misjudgemen…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000328/LER-1996-002-05, :on 960822,discovered Failure to Properly Identify Steam Generator Tube May Have Exceeded Tech Spec Plugging Criteria.Caused by Misjudgement by Two Independent Analysts.Evaluation Performed

LER-1995-014, :on 950725,identified Deficiencies in Safe Shutdown Capability Analysis Resulted in Incomplete Implementation of 10CFR50 App R.Implemented Enhanced Awareness of Potential App R Vulnerabilities
type: Subject
label: 05000271/LER-1995-014, :on 950725,identified Deficiencies in Safe Shutdown Capability Analysis Resulted in Incomplete Implementation of 10CFR50 App R.Implemented Enhanced Awareness of Potential App R Vulnerabilities
page: https://kanterella.com/05000271/LER-2D1995-2D014-2C_-3Aon_950725-2Cidentified_Deficiencies_in_Safe_Shutdown_Capability_Analysis_Resulted_in_Incomplete_Implementation_of_10CFR50_App_R.Implemented_Enhan…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000271/LER-1995-014, :on 950725,identified Deficiencies in Safe Shutdown Capability Analysis Resulted in Incomplete Implementation of 10CFR50 App R.Implemented Enhanced Awareness of Potential App R Vulnerabilities

05000354/LER-1996-016, :on 960427,unplanned High Pressure Coolant Injection Sys Inoperability Due to Blown Fuse & Trip Unit Card Failure.Caused by Shorted Capacitor.Trip Unit Card & Fuse Were Replaced
type: Subject
page: https://kanterella.com/05000354/LER-2D1996-2D016-2C_-3Aon_960427-2Cunplanned_High_Pressure_Coolant_Injection_Sys_Inoperability_Due_to_Blown_Fuse_-26_Trip_Unit_Card_Failure.Caused_by_Shorted_Capacitor.…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000354/LER-1996-016, :on 960427,unplanned High Pressure Coolant Injection Sys Inoperability Due to Blown Fuse & Trip Unit Card Failure.Caused by Shorted Capacitor.Trip Unit Card & Fuse Were Replaced

LER-1996-001-01, :on 960208,RWST Level Transmitter Frozen.Caused by Insufficient Equipment Monitoring.Integrity & Proper Operation of Refueling Water Level Transmitter Panels Verified During Routine Maint & Periodically Checked
type: Subject
label: 05000370/LER-1996-001-01, :on 960208,RWST Level Transmitter Frozen.Caused by Insufficient Equipment Monitoring.Integrity & Proper Operation of Refueling Water Level Transmitter Panels Verified During Routine Maint & Periodically Checked
page: https://kanterella.com/05000370/LER-2D1996-2D001-2D01-2C_-3Aon_960208-2CRWST_Level_Transmitter_Frozen.Caused_by_Insufficient_Equipment_Monitoring.Integrity_-26_Proper_Operation_of_Refueling_Water_Leve…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000370/LER-1996-001-01, :on 960208,RWST Level Transmitter Frozen.Caused by Insufficient Equipment Monitoring.Integrity & Proper Operation of Refueling Water Level Transmitter Panels Verified During Routine Maint & Periodically Checked

Fire Protection Hose Stations Not Performed as Required by Ts.Caused by Inadequate Procedure Rev.Entered Action of LCO & Established Measures to Address Issue
type: Subject
label: 05000327/LER-1996-002-01, :on 960215,SRs Associated W/Fire Protection Hose Stations Not Performed as Required by Ts.Caused by Inadequate Procedure Rev.Entered Action of LCO & Established Measures to Address Issue
page: https://kanterella.com/05000327/LER-2D1996-2D002-2D01-2C_-3Aon_960215-2CSRs_Associated_W/Fire_Protection_Hose_Stations_Not_Performed_as_Required_by_Ts.Caused_by_Inadequate_Procedure_Rev.Entered_Action…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000327/LER-1996-002-01, :on 960215,SRs Associated W/Fire Protection Hose Stations Not Performed as Required by Ts.Caused by Inadequate Procedure Rev.Entered Action of LCO & Established Measures to Address Issue

LER-1992-002-05, :on 920324,reactor Protection Sys Experienced Unexpected Failure,Causing Actuation of Esf.Cause Not Determined.Bus 1B Placed on Alternative Power,Alarms Reset & ESF Actions Returned to Normal
type: Subject
label: 05000259/LER-1992-002-05, :on 920324,reactor Protection Sys Experienced Unexpected Failure,Causing Actuation of Esf.Cause Not Determined.Bus 1B Placed on Alternative Power,Alarms Reset & ESF Actions Returned to Normal
page: https://kanterella.com/05000259/LER-2D1992-2D002-2D05-2C_-3Aon_920324-2Creactor_Protection_Sys_Experienced_Unexpected_Failure-2CCausing_Actuation_of_Esf.Cause_Not_Determined.Bus_1B_Placed_on_Alternati…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000259/LER-1992-002-05, :on 920324,reactor Protection Sys Experienced Unexpected Failure,Causing Actuation of Esf.Cause Not Determined.Bus 1B Placed on Alternative Power,Alarms Reset & ESF Actions Returned to Normal

LER-1985-004-02, :on 850215 & 17,reactor Trips Occurred Due to lo-lo Steam Generator Water Level.Caused by Personnel Error & Failed Filter Cartridge Cover.New Cover Installed & Personnel Counseled
type: Subject
label: 05000328/LER-1985-004-02, :on 850215 & 17,reactor Trips Occurred Due to lo-lo Steam Generator Water Level.Caused by Personnel Error & Failed Filter Cartridge Cover.New Cover Installed & Personnel Counseled
page: https://kanterella.com/05000328/LER-2D1985-2D004-2D02-2C_-3Aon_850215_-26_17-2Creactor_Trips_Occurred_Due_to_lo-2Dlo_Steam_Generator_Water_Level.Caused_by_Personnel_Error_-26_Failed_Filter_Cartridge_C…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000328/LER-1985-004-02, :on 850215 & 17,reactor Trips Occurred Due to lo-lo Steam Generator Water Level.Caused by Personnel Error & Failed Filter Cartridge Cover.New Cover Installed & Personnel Counseled

05000382/LER-1995-006-04, :on 951207,failed to Provide Backup Overcurrent Protection Due to Personnel Error.Installed Backup Overcurrent Protection for Circuits & Tested Two Breakers
type: Subject
page: https://kanterella.com/05000382/LER-2D1995-2D006-2D04-2C_-3Aon_951207-2Cfailed_to_Provide_Backup_Overcurrent_Protection_Due_to_Personnel_Error.Installed_Backup_Overcurrent_Protection_for_Circuits_-26_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000382/LER-1995-006-04, :on 951207,failed to Provide Backup Overcurrent Protection Due to Personnel Error.Installed Backup Overcurrent Protection for Circuits & Tested Two Breakers

Undated Ltr
type: Subject
label: 05000325/LER-1992-009, :on 920331,control Room Operator Noted Abrupt Increase in Indicated Oxygen Concentration on H2/O2 Analyzer & Pump Diaphragm Failed.Caused by Normal Wear.Fuel Oil Injector Pump Replaced.W/Undated Ltr
page: https://kanterella.com/05000325/LER-2D1992-2D009-2C_-3Aon_920331-2Ccontrol_Room_Operator_Noted_Abrupt_Increase_in_Indicated_Oxygen_Concentration_on_H2/O2_Analyzer_-26_Pump_Diaphragm_Failed.Caused_by_N…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000325/LER-1992-009, :on 920331,control Room Operator Noted Abrupt Increase in Indicated Oxygen Concentration on H2/O2 Analyzer & Pump Diaphragm Failed.Caused by Normal Wear.Fuel Oil Injector Pump Replaced.W/Undated Ltr

05000301/LER-1995-005-01, :on 951025,plugged 46 Tubes Due to Degradation in Roll Transition,Tubesheet Crevice & Tube Support Plate Regions.Performed Closeout Insps Following Maint of Each Sg
type: Subject
page: https://kanterella.com/05000301/LER-2D1995-2D005-2D01-2C_-3Aon_951025-2Cplugged_46_Tubes_Due_to_Degradation_in_Roll_Transition-2CTubesheet_Crevice_-26_Tube_Support_Plate_Regions.Performed_Closeout_Ins…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000301/LER-1995-005-01, :on 951025,plugged 46 Tubes Due to Degradation in Roll Transition,Tubesheet Crevice & Tube Support Plate Regions.Performed Closeout Insps Following Maint of Each Sg

05000483/LER-1995-006, :on 951002,plant Had to Be Shutdown Due to Excessive RCS Leakage & FW Isolation Signal Due to High SG Level.Applied Weld Overlay Per ASME Code Case N-504
type: Subject
page: https://kanterella.com/05000483/LER-2D1995-2D006-2C_-3Aon_951002-2Cplant_Had_to_Be_Shutdown_Due_to_Excessive_RCS_Leakage_-26_FW_Isolation_Signal_Due_to_High_SG_Level.Applied_Weld_Overlay_Per_ASME_Code…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000483/LER-1995-006, :on 951002,plant Had to Be Shutdown Due to Excessive RCS Leakage & FW Isolation Signal Due to High SG Level.Applied Weld Overlay Per ASME Code Case N-504

05000317/LER-1995-003-01, :on 950730 & 31,entered TS 3.0.3 Due to High Bay Water Temps.Administration Limit for Bay Water Temp Raised & Current Unit 1 & Unit 2 SW Tube Type HXs Will Be Replaced
type: Subject
page: https://kanterella.com/05000317/LER-2D1995-2D003-2D01-2C_-3Aon_950730_-26_31-2Centered_TS_3.0.3_Due_to_High_Bay_Water_Temps.Administration_Limit_for_Bay_Water_Temp_Raised_-26_Current_Unit_1_-26_Unit_2…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000317/LER-1995-003-01, :on 950730 & 31,entered TS 3.0.3 Due to High Bay Water Temps.Administration Limit for Bay Water Temp Raised & Current Unit 1 & Unit 2 SW Tube Type HXs Will Be Replaced

05000259/LER-1992-002-02, :on 920302,unplanned ESF Actuations Occurred, Resulting from Short in Indicating Light Socket.Caused by Adequate Design Requirement.Esfs Reset to Normal Configuration
type: Subject
page: https://kanterella.com/05000259/LER-2D1992-2D002-2D02-2C_-3Aon_920302-2Cunplanned_ESF_Actuations_Occurred-2C_Resulting_from_Short_in_Indicating_Light_Socket.Caused_by_Adequate_Design_Requirement.Esfs_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000259/LER-1992-002-02, :on 920302,unplanned ESF Actuations Occurred, Resulting from Short in Indicating Light Socket.Caused by Adequate Design Requirement.Esfs Reset to Normal Configuration

LER-1995-004, :on 950328,loss of Voltage Relays Not Calibr to TS Limits.Caused by Review of Setpoint Changes from Temporary Values to Permanent Was Less than Adequate.Ts 15.3.0 Was Entered at 0703
type: Subject
label: 05000266/LER-1995-004, :on 950328,loss of Voltage Relays Not Calibr to TS Limits.Caused by Review of Setpoint Changes from Temporary Values to Permanent Was Less than Adequate.Ts 15.3.0 Was Entered at 0703
page: https://kanterella.com/05000266/LER-2D1995-2D004-2C_-3Aon_950328-2Closs_of_Voltage_Relays_Not_Calibr_to_TS_Limits.Caused_by_Review_of_Setpoint_Changes_from_Temporary_Values_to_Permanent_Was_Less_than_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000266/LER-1995-004, :on 950328,loss of Voltage Relays Not Calibr to TS Limits.Caused by Review of Setpoint Changes from Temporary Values to Permanent Was Less than Adequate.Ts 15.3.0 Was Entered at 0703

LER-1995-002, :on 950207,EDG Lops Signal Generated,Stripping Emergency Safeguards Bus a & Opening & Locking Out Supply Breaker (Brkr 3211).Caused by Personnel Error.Shop Personnel Counseled & Event Reviewed
type: Subject
label: 05000302/LER-1995-002, :on 950207,EDG Lops Signal Generated,Stripping Emergency Safeguards Bus a & Opening & Locking Out Supply Breaker (Brkr 3211).Caused by Personnel Error.Shop Personnel Counseled & Event Reviewed
page: https://kanterella.com/05000302/LER-2D1995-2D002-2C_-3Aon_950207-2CEDG_Lops_Signal_Generated-2CStripping_Emergency_Safeguards_Bus_a_-26_Opening_-26_Locking_Out_Supply_Breaker_-28Brkr_3211-29.Caused_by…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000302/LER-1995-002, :on 950207,EDG Lops Signal Generated,Stripping Emergency Safeguards Bus a & Opening & Locking Out Supply Breaker (Brkr 3211).Caused by Personnel Error.Shop Personnel Counseled & Event Reviewed

LER-1994-005-01, :on 940924,reactor Trip Experienced Due to Main Turbine Governor Valve Opening.Wire on 21 Governor Valve LVDT Tightened & Wiring on All Other Unit 2 Main Turbine Throttle & Governor Valves Checked
type: Subject
label: 05000318/LER-1994-005-01, :on 940924,reactor Trip Experienced Due to Main Turbine Governor Valve Opening.Wire on 21 Governor Valve LVDT Tightened & Wiring on All Other Unit 2 Main Turbine Throttle & Governor Valves Checked
page: https://kanterella.com/05000318/LER-2D1994-2D005-2D01-2C_-3Aon_940924-2Creactor_Trip_Experienced_Due_to_Main_Turbine_Governor_Valve_Opening.Wire_on_21_Governor_Valve_LVDT_Tightened_-26_Wiring_on_All_O…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000318/LER-1994-005-01, :on 940924,reactor Trip Experienced Due to Main Turbine Governor Valve Opening.Wire on 21 Governor Valve LVDT Tightened & Wiring on All Other Unit 2 Main Turbine Throttle & Governor Valves Checked

LER-1991-007, :on 910409,ESF Actuation Occurred When Group 1 Primary Containment Isolation Initiated.Caused by Leaking Packing on Check Valve Differential Pressure Transmitters. Trapped Air Vented & Line Backfilled
type: Subject
label: 05000260/LER-1991-007, :on 910409,ESF Actuation Occurred When Group 1 Primary Containment Isolation Initiated.Caused by Leaking Packing on Check Valve Differential Pressure Transmitters. Trapped Air Vented & Line Backfilled
page: https://kanterella.com/05000260/LER-2D1991-2D007-2C_-3Aon_910409-2CESF_Actuation_Occurred_When_Group_1_Primary_Containment_Isolation_Initiated.Caused_by_Leaking_Packing_on_Check_Valve_Differential_Pre…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000260/LER-1991-007, :on 910409,ESF Actuation Occurred When Group 1 Primary Containment Isolation Initiated.Caused by Leaking Packing on Check Valve Differential Pressure Transmitters. Trapped Air Vented & Line Backfilled

LER-1991-002, :on 910215,discovered That Tech Spec Fire Protection Sys Surveillances Exceeded Specified Test Interval Since 860618.Caused by Misinterpretation of Test Interval.Training Provided
type: Subject
label: 05000271/LER-1991-002, :on 910215,discovered That Tech Spec Fire Protection Sys Surveillances Exceeded Specified Test Interval Since 860618.Caused by Misinterpretation of Test Interval.Training Provided
page: https://kanterella.com/05000271/LER-2D1991-2D002-2C_-3Aon_910215-2Cdiscovered_That_Tech_Spec_Fire_Protection_Sys_Surveillances_Exceeded_Specified_Test_Interval_Since_860618.Caused_by_Misinterpretation…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000271/LER-1991-002, :on 910215,discovered That Tech Spec Fire Protection Sys Surveillances Exceeded Specified Test Interval Since 860618.Caused by Misinterpretation of Test Interval.Training Provided

LER-1994-003-01, :on 940711,commenced Reactor Shutdown for Leak from Fatigue Crack in SIT Line.Support for Line Redesigned & Installed to Reduced Levels of Vibration to Acceptable Level & Similar Lines Examined
type: Subject
label: 05000318/LER-1994-003-01, :on 940711,commenced Reactor Shutdown for Leak from Fatigue Crack in SIT Line.Support for Line Redesigned & Installed to Reduced Levels of Vibration to Acceptable Level & Similar Lines Examined
page: https://kanterella.com/05000318/LER-2D1994-2D003-2D01-2C_-3Aon_940711-2Ccommenced_Reactor_Shutdown_for_Leak_from_Fatigue_Crack_in_SIT_Line.Support_for_Line_Redesigned_-26_Installed_to_Reduced_Levels_o…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000318/LER-1994-003-01, :on 940711,commenced Reactor Shutdown for Leak from Fatigue Crack in SIT Line.Support for Line Redesigned & Installed to Reduced Levels of Vibration to Acceptable Level & Similar Lines Examined

LER-1994-019, :on 940624,SSW Pumps Automatically Started During Surveillance Testing of Div II Remote Shutdown Control Circuitry.Caused by Procedural Deficiency. Surveillance Tp STP-200-0602 Will Be Revised
type: Subject
label: 05000458/LER-1994-019, :on 940624,SSW Pumps Automatically Started During Surveillance Testing of Div II Remote Shutdown Control Circuitry.Caused by Procedural Deficiency. Surveillance Tp STP-200-0602 Will Be Revised
page: https://kanterella.com/05000458/LER-2D1994-2D019-2C_-3Aon_940624-2CSSW_Pumps_Automatically_Started_During_Surveillance_Testing_of_Div_II_Remote_Shutdown_Control_Circuitry.Caused_by_Procedural_Deficien…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000458/LER-1994-019, :on 940624,SSW Pumps Automatically Started During Surveillance Testing of Div II Remote Shutdown Control Circuitry.Caused by Procedural Deficiency. Surveillance Tp STP-200-0602 Will Be Revised

Tech Spec 2.2.1 & LCO 3.3.1 Because of Nonconservative Calibr of Nis Intermediate Range Channels. Caused by Procedural Inadequacies
type: Subject
label: 05000328/LER-1990-016-01, :on 901117,determined That Unit 2 Operated in Noncompliance W/Tech Spec 2.2.1 & LCO 3.3.1 Because of Nonconservative Calibr of Nis Intermediate Range Channels. Caused by Procedural Inadequacies
page: https://kanterella.com/05000328/LER-2D1990-2D016-2D01-2C_-3Aon_901117-2Cdetermined_That_Unit_2_Operated_in_Noncompliance_W/Tech_Spec_2.2.1_-26_LCO_3.3.1_Because_of_Nonconservative_Calibr_of_Nis_Interm…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000328/LER-1990-016-01, :on 901117,determined That Unit 2 Operated in Noncompliance W/Tech Spec 2.2.1 & LCO 3.3.1 Because of Nonconservative Calibr of Nis Intermediate Range Channels. Caused by Procedural Inadequacies

LER-1994-002, :on 940309,HPCI System Was Declared Inoperable Due to Inoperable Mov.Caused by Failure of Torque Switch. Plant Design Changes Will Be Generated to Make Torque Switch Replacement & Install New Spring Pack
type: Subject
label: 05000293/LER-1994-002, :on 940309,HPCI System Was Declared Inoperable Due to Inoperable Mov.Caused by Failure of Torque Switch. Plant Design Changes Will Be Generated to Make Torque Switch Replacement & Install New Spring Pack
page: https://kanterella.com/05000293/LER-2D1994-2D002-2C_-3Aon_940309-2CHPCI_System_Was_Declared_Inoperable_Due_to_Inoperable_Mov.Caused_by_Failure_of_Torque_Switch._Plant_Design_Changes_Will_Be_Generated_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000293/LER-1994-002, :on 940309,HPCI System Was Declared Inoperable Due to Inoperable Mov.Caused by Failure of Torque Switch. Plant Design Changes Will Be Generated to Make Torque Switch Replacement & Install New Spring Pack

05000285/LER-1993-019, :on 931209,AFW Pumps Rendered Inoperable Due to Inappropriate Testing Lineup.Surveillance Test SE-ST-AFW-3005 Will Be Revised
type: Subject
page: https://kanterella.com/05000285/LER-2D1993-2D019-2C_-3Aon_931209-2CAFW_Pumps_Rendered_Inoperable_Due_to_Inappropriate_Testing_Lineup.Surveillance_Test_SE-2DST-2DAFW-2D3005_Will_Be_Revised
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000285/LER-1993-019, :on 931209,AFW Pumps Rendered Inoperable Due to Inappropriate Testing Lineup.Surveillance Test SE-ST-AFW-3005 Will Be Revised

05000309/LER-1990-007, :on 901002,power Range Safety Channels Level I Bistables Found to Be Out of Calibr
type: Subject
page: https://kanterella.com/05000309/LER-2D1990-2D007-2C_-3Aon_901002-2Cpower_Range_Safety_Channels_Level_I_Bistables_Found_to_Be_Out_of_Calibr
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000309/LER-1990-007, :on 901002,power Range Safety Channels Level I Bistables Found to Be Out of Calibr

LER-1993-017, Lr 93-017-00:on 930616,containment Hydrogen Analyzer Heat Trace Channel Calibration Not Performed on Staggered Test Basis Due to Inadequate Implementation of TS Amend.Test Procedure Satisfactorily Performed
type: Subject
label: 05000338/LER-1993-017, Lr 93-017-00:on 930616,containment Hydrogen Analyzer Heat Trace Channel Calibration Not Performed on Staggered Test Basis Due to Inadequate Implementation of TS Amend.Test Procedure Satisfactorily Performed
page: https://kanterella.com/05000338/LER-2D1993-2D017-2C_Lr_93-2D017-2D00-3Aon_930616-2Ccontainment_Hydrogen_Analyzer_Heat_Trace_Channel_Calibration_Not_Performed_on_Staggered_Test_Basis_Due_to_Inadequate_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000338/LER-1993-017, Lr 93-017-00:on 930616,containment Hydrogen Analyzer Heat Trace Channel Calibration Not Performed on Staggered Test Basis Due to Inadequate Implementation of TS Amend.Test Procedure Satisfactorily Performed

LER-1993-003-03, :on 930608,RPS MG a Tripped,Resulting in Successful ESF Actuations & Isolations Due to Defective Procedure.Voltage Adjust Potentiometer for MG a Voltage Regulator Replaced on 930617
type: Subject
label: 05000325/LER-1993-003-03, :on 930608,RPS MG a Tripped,Resulting in Successful ESF Actuations & Isolations Due to Defective Procedure.Voltage Adjust Potentiometer for MG a Voltage Regulator Replaced on 930617
page: https://kanterella.com/05000325/LER-2D1993-2D003-2D03-2C_-3Aon_930608-2CRPS_MG_a_Tripped-2CResulting_in_Successful_ESF_Actuations_-26_Isolations_Due_to_Defective_Procedure.Voltage_Adjust_Potentiometer…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000325/LER-1993-003-03, :on 930608,RPS MG a Tripped,Resulting in Successful ESF Actuations & Isolations Due to Defective Procedure.Voltage Adjust Potentiometer for MG a Voltage Regulator Replaced on 930617

LER-1993-014, :on 930531,automatic Scram Occurred,Resulting from Operation of Auxiliary Transformer Differential Relay During Power Ascension.Uat Phase B & C Differential Relays Left Interchanged as Investigative Aid
type: Subject
label: 05000293/LER-1993-014, :on 930531,automatic Scram Occurred,Resulting from Operation of Auxiliary Transformer Differential Relay During Power Ascension.Uat Phase B & C Differential Relays Left Interchanged as Investigative Aid
page: https://kanterella.com/05000293/LER-2D1993-2D014-2C_-3Aon_930531-2Cautomatic_Scram_Occurred-2CResulting_from_Operation_of_Auxiliary_Transformer_Differential_Relay_During_Power_Ascension.Uat_Phase_B_-2…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000293/LER-1993-014, :on 930531,automatic Scram Occurred,Resulting from Operation of Auxiliary Transformer Differential Relay During Power Ascension.Uat Phase B & C Differential Relays Left Interchanged as Investigative Aid

Cooldown & Cold Overpressure Protection PORV Setpoint Curves.Caused by Design Deficiency.Curve Book & Surveillance Procedures Revised
type: Subject
label: 05000456/LER-1993-002-05, :on 930201,identified Nonconservatism in Heatup/Cooldown & Cold Overpressure Protection PORV Setpoint Curves.Caused by Design Deficiency.Curve Book & Surveillance Procedures Revised
page: https://kanterella.com/05000456/LER-2D1993-2D002-2D05-2C_-3Aon_930201-2Cidentified_Nonconservatism_in_Heatup/Cooldown_-26_Cold_Overpressure_Protection_PORV_Setpoint_Curves.Caused_by_Design_Deficiency.…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000456/LER-1993-002-05, :on 930201,identified Nonconservatism in Heatup/Cooldown & Cold Overpressure Protection PORV Setpoint Curves.Caused by Design Deficiency.Curve Book & Surveillance Procedures Revised

05000321/LER-1994-002-03, :on 940325,personnel Error Resulted in ESF Actuations.Personnel Counseled & Trained & EDG Control Circuit Wire Repaired
type: Subject
page: https://kanterella.com/05000321/LER-2D1994-2D002-2D03-2C_-3Aon_940325-2Cpersonnel_Error_Resulted_in_ESF_Actuations.Personnel_Counseled_-26_Trained_-26_EDG_Control_Circuit_Wire_Repaired
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000321/LER-1994-002-03, :on 940325,personnel Error Resulted in ESF Actuations.Personnel Counseled & Trained & EDG Control Circuit Wire Repaired

05000324/LER-1991-001-03, :on 910125,reactor Scram Occurred During Calibr of Feedwater Computer Point.Caused by Incorrect Procedure in Summary Sheet.Maint Procedures Reviewed & Revised
type: Subject
page: https://kanterella.com/05000324/LER-2D1991-2D001-2D03-2C_-3Aon_910125-2Creactor_Scram_Occurred_During_Calibr_of_Feedwater_Computer_Point.Caused_by_Incorrect_Procedure_in_Summary_Sheet.Maint_Procedures…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000324/LER-1991-001-03, :on 910125,reactor Scram Occurred During Calibr of Feedwater Computer Point.Caused by Incorrect Procedure in Summary Sheet.Maint Procedures Reviewed & Revised

LER-1989-008-03, :on 891102,RWCU Sys Experienced Partial Primary Containment Isolation Sys Group 5 Isolation Involving Valve 2G31-F004.Caused by Component Failure of Relay 2G31-R616D. Relay Replaced
type: Subject
label: 05000366/LER-1989-008-03, :on 891102,RWCU Sys Experienced Partial Primary Containment Isolation Sys Group 5 Isolation Involving Valve 2G31-F004.Caused by Component Failure of Relay 2G31-R616D. Relay Replaced
page: https://kanterella.com/05000366/LER-2D1989-2D008-2D03-2C_-3Aon_891102-2CRWCU_Sys_Experienced_Partial_Primary_Containment_Isolation_Sys_Group_5_Isolation_Involving_Valve_2G31-2DF004.Caused_by_Component…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000366/LER-1989-008-03, :on 891102,RWCU Sys Experienced Partial Primary Containment Isolation Sys Group 5 Isolation Involving Valve 2G31-F004.Caused by Component Failure of Relay 2G31-R616D. Relay Replaced

LER-1996-011-02, :on 960620,pressurizer Safety Relief Valves Were Found Outside of TS Tolerance.Caused by Minor Testing Instrument Error.Valves Were Refurbished & Successfully Retested to within TS Tolerance
type: Subject
label: 05000272/LER-1996-011-02, :on 960620,pressurizer Safety Relief Valves Were Found Outside of TS Tolerance.Caused by Minor Testing Instrument Error.Valves Were Refurbished & Successfully Retested to within TS Tolerance
page: https://kanterella.com/05000272/LER-2D1996-2D011-2D02-2C_-3Aon_960620-2Cpressurizer_Safety_Relief_Valves_Were_Found_Outside_of_TS_Tolerance.Caused_by_Minor_Testing_Instrument_Error.Valves_Were_Refurbi…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000272/LER-1996-011-02, :on 960620,pressurizer Safety Relief Valves Were Found Outside of TS Tolerance.Caused by Minor Testing Instrument Error.Valves Were Refurbished & Successfully Retested to within TS Tolerance

LER-1997-012, :on 970505,determined That Previous Auxiliary Control Panel Had Not Verified Operability of Interposing Relays.Caused by Misinterpretation of Tss.Reviewed Other Remote Shutdown Panel Transfer Circuitry
type: Subject
label: 05000400/LER-1997-012, :on 970505,determined That Previous Auxiliary Control Panel Had Not Verified Operability of Interposing Relays.Caused by Misinterpretation of Tss.Reviewed Other Remote Shutdown Panel Transfer Circuitry
page: https://kanterella.com/05000400/LER-2D1997-2D012-2C_-3Aon_970505-2Cdetermined_That_Previous_Auxiliary_Control_Panel_Had_Not_Verified_Operability_of_Interposing_Relays.Caused_by_Misinterpretation_of_Ts…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000400/LER-1997-012, :on 970505,determined That Previous Auxiliary Control Panel Had Not Verified Operability of Interposing Relays.Caused by Misinterpretation of Tss.Reviewed Other Remote Shutdown Panel Transfer Circuitry

Engine Barring Device Not Rotating Engine as Required Using Plant Svc Air. Caused by Low Plant Svc Air Pressure.Mod Installed Attaching Engine Barring Device to Starting Air Tank Air
type: Subject
label: 05000400/LER-1987-033, :on 870607,experienced Trouble W/Engine Barring Device Not Rotating Engine as Required Using Plant Svc Air. Caused by Low Plant Svc Air Pressure.Mod Installed Attaching Engine Barring Device to Starting Air Tank Air
page: https://kanterella.com/05000400/LER-2D1987-2D033-2C_-3Aon_870607-2Cexperienced_Trouble_W/Engine_Barring_Device_Not_Rotating_Engine_as_Required_Using_Plant_Svc_Air._Caused_by_Low_Plant_Svc_Air_Pressure…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000400/LER-1987-033, :on 870607,experienced Trouble W/Engine Barring Device Not Rotating Engine as Required Using Plant Svc Air. Caused by Low Plant Svc Air Pressure.Mod Installed Attaching Engine Barring Device to Starting Air Tank Air

LER-1988-002-01, :on 880326,ice Buildup in Ice Condenser Flow Passages Declared Inoperable.Caused by Sublimation of Ice or High Humidity in Containment Air.Flow Passages Manually Cleaned to Remove Frost
type: Subject
label: 05000315/LER-1988-002-01, :on 880326,ice Buildup in Ice Condenser Flow Passages Declared Inoperable.Caused by Sublimation of Ice or High Humidity in Containment Air.Flow Passages Manually Cleaned to Remove Frost
page: https://kanterella.com/05000315/LER-2D1988-2D002-2D01-2C_-3Aon_880326-2Cice_Buildup_in_Ice_Condenser_Flow_Passages_Declared_Inoperable.Caused_by_Sublimation_of_Ice_or_High_Humidity_in_Containment_Air.…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000315/LER-1988-002-01, :on 880326,ice Buildup in Ice Condenser Flow Passages Declared Inoperable.Caused by Sublimation of Ice or High Humidity in Containment Air.Flow Passages Manually Cleaned to Remove Frost

LER-1988-024, :on 880703,single Primary Containment Monitor Intermittently Exceeded 150 F Temp & Time Limit.Cause Contributed to Leaking Main Steamline Safety Relief Valves & Leaking Tailpipe Vacuum Breaker Valves
type: Subject
label: 05000397/LER-1988-024, :on 880703,single Primary Containment Monitor Intermittently Exceeded 150 F Temp & Time Limit.Cause Contributed to Leaking Main Steamline Safety Relief Valves & Leaking Tailpipe Vacuum Breaker Valves
page: https://kanterella.com/05000397/LER-2D1988-2D024-2C_-3Aon_880703-2Csingle_Primary_Containment_Monitor_Intermittently_Exceeded_150_F_Temp_-26_Time_Limit.Cause_Contributed_to_Leaking_Main_Steamline_Safe…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000397/LER-1988-024, :on 880703,single Primary Containment Monitor Intermittently Exceeded 150 F Temp & Time Limit.Cause Contributed to Leaking Main Steamline Safety Relief Valves & Leaking Tailpipe Vacuum Breaker Valves

LER-1989-001-02, :on 890222,water Level in Spent Fuel Pool Raised High Enough to Flood Intake Ventilation Ducts Lining Perimeter of Pool,Rendering Ventilation Sys Inoperable. Caused by Personnel Error.Ductwork Drained
type: Subject
label: 05000389/LER-1989-001-02, :on 890222,water Level in Spent Fuel Pool Raised High Enough to Flood Intake Ventilation Ducts Lining Perimeter of Pool,Rendering Ventilation Sys Inoperable. Caused by Personnel Error.Ductwork Drained
page: https://kanterella.com/05000389/LER-2D1989-2D001-2D02-2C_-3Aon_890222-2Cwater_Level_in_Spent_Fuel_Pool_Raised_High_Enough_to_Flood_Intake_Ventilation_Ducts_Lining_Perimeter_of_Pool-2CRendering_Ventila…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000389/LER-1989-001-02, :on 890222,water Level in Spent Fuel Pool Raised High Enough to Flood Intake Ventilation Ducts Lining Perimeter of Pool,Rendering Ventilation Sys Inoperable. Caused by Personnel Error.Ductwork Drained

05000498/LER-2015-001, Regarding Manual Reactor Trip Due to Lowering Steam Generator Levels and Valid Auxiliary Feedwater System Actuation Following a Manual Main Turbine Trip
type: Subject
page: https://kanterella.com/05000498/LER-2D2015-2D001-2C_Regarding_Manual_Reactor_Trip_Due_to_Lowering_Steam_Generator_Levels_and_Valid_Auxiliary_Feedwater_System_Actuation_Following_a_Manual_Main_Turbine_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000498/LER-2015-001, Regarding Manual Reactor Trip Due to Lowering Steam Generator Levels and Valid Auxiliary Feedwater System Actuation Following a Manual Main Turbine Trip

05000220/LER-2005-002, Re Fuel Moved with an Inoperable Source Range Monitor Due to Human Error Resulting in a Technical Specification Violation
type: Subject
page: https://kanterella.com/05000220/LER-2D2005-2D002-2C_Re_Fuel_Moved_with_an_Inoperable_Source_Range_Monitor_Due_to_Human_Error_Resulting_in_a_Technical_Specification_Violation
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000220/LER-2005-002, Re Fuel Moved with an Inoperable Source Range Monitor Due to Human Error Resulting in a Technical Specification Violation

05000413/LER-2003-004, A Containment Spray System Inoperable for Longer than Technical Specifications Allow Due to Heat Exchanger Fouling
type: Subject
page: https://kanterella.com/05000413/LER-2D2003-2D004-2C_A_Containment_Spray_System_Inoperable_for_Longer_than_Technical_Specifications_Allow_Due_to_Heat_Exchanger_Fouling
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000413/LER-2003-004, A Containment Spray System Inoperable for Longer than Technical Specifications Allow Due to Heat Exchanger Fouling

LER-1998-007-02, :on 981107,failure to Meet TS & Associated LCO Requirments of Absolute Difference in APRM & Calculated Power of Less than 2- Was Noted.Caused by Substitute Valves Being Used.Removed Substitute Valves.With
type: Subject
label: 05000277/LER-1998-007-02, :on 981107,failure to Meet TS & Associated LCO Requirments of Absolute Difference in APRM & Calculated Power of Less than 2% Was Noted.Caused by Substitute Valves Being Used.Removed Substitute Valves.With
page: https://kanterella.com/05000277/LER-2D1998-2D007-2D02-2C_-3Aon_981107-2Cfailure_to_Meet_TS_-26_Associated_LCO_Requirments_of_Absolute_Difference_in_APRM_-26_Calculated_Power_of_Less_than_2-_Was_Noted.…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000277/LER-1998-007-02, :on 981107,failure to Meet TS & Associated LCO Requirments of Absolute Difference in APRM & Calculated Power of Less than 2% Was Noted.Caused by Substitute Valves Being Used.Removed Substitute Valves.With

05000454/LER-1997-013-03, :on 970522,valve Mistakenly Opened & Caused post-LOCA Leakage to Exceed Limit.Cause Unknown.Licensee Identified Affected Sys & Procedures That Vent or Open Affected Sys
type: Subject
page: https://kanterella.com/05000454/LER-2D1997-2D013-2D03-2C_-3Aon_970522-2Cvalve_Mistakenly_Opened_-26_Caused_post-2DLOCA_Leakage_to_Exceed_Limit.Cause_Unknown.Licensee_Identified_Affected_Sys_-26_Proced…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000454/LER-1997-013-03, :on 970522,valve Mistakenly Opened & Caused post-LOCA Leakage to Exceed Limit.Cause Unknown.Licensee Identified Affected Sys & Procedures That Vent or Open Affected Sys

LER-1997-011, :on 860929,failed to Verify Breaker Closed at seven-day Frequency Required by TS Due to Omission of Breaker from Surveillance Procedure.Caused by Inadequate Procedures.Revised Procedures
type: Subject
label: 05000461/LER-1997-011, :on 860929,failed to Verify Breaker Closed at seven-day Frequency Required by TS Due to Omission of Breaker from Surveillance Procedure.Caused by Inadequate Procedures.Revised Procedures
page: https://kanterella.com/05000461/LER-2D1997-2D011-2C_-3Aon_860929-2Cfailed_to_Verify_Breaker_Closed_at_seven-2Dday_Frequency_Required_by_TS_Due_to_Omission_of_Breaker_from_Surveillance_Procedure.Caused…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000461/LER-1997-011, :on 860929,failed to Verify Breaker Closed at seven-day Frequency Required by TS Due to Omission of Breaker from Surveillance Procedure.Caused by Inadequate Procedures.Revised Procedures

05000318/LER-1996-001-01, :on 960227,breakers 552-41,552-21 & 552-61 Tripped Open in Plant Switchyard.Caused by Failure of Auxiliary Relay Card in Breaker 552-41.Failed Relay Card Replaced
type: Subject
page: https://kanterella.com/05000318/LER-2D1996-2D001-2D01-2C_-3Aon_960227-2Cbreakers_552-2D41-2C552-2D21_-26_552-2D61_Tripped_Open_in_Plant_Switchyard.Caused_by_Failure_of_Auxiliary_Relay_Card_in_Breaker_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 360A
wiki page sort key: 05000318/LER-1996-001-01, :on 960227,breakers 552-41,552-21 & 552-61 Tripped Open in Plant Switchyard.Caused by Failure of Auxiliary Relay Card in Breaker 552-41.Failed Relay Card Replaced

NRC form
type: ObjectProperty
page: https://kanterella.com/Property-3ANRC_form
wiki namespace: 102
wiki page content language: en
wiki page sort key: NRC form
type: wpg