P.0-28m-29
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creation date: 2025-12-11T02:49:18-05:00
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P.0(m)
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DCL-12-069, Diablo Canyon, Units 1 and 2 - Process Protection System Replacement Interface Requirements Specification (Irs), Revision 6, Attachment 3
type: Subject
page: https://kanterella.com/DCL-2D12-2D069-2C_Diablo_Canyon-2C_Units_1_and_2_-2D_Process_Protection_System_Replacement_Interface_Requirements_Specification_-28Irs-29-2C_Revision_6-2C_Attachment_3
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wiki page sort key: DCL-12-069, Diablo Canyon, Units 1 and 2 - Process Protection System Replacement Interface Requirements Specification (Irs), Revision 6, Attachment 3

ML081770333
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ML112371645
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ML20132C247
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ML20128C633
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ML20126D507
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ML20154C045
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ML20151H965
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ML20150E439
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ML20149H817
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ML20214Q504
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ML20249C217
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ML20236L647
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ML20217C024
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ML20210D291
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AECM-88-0107, Forwards Computer Tape of Hourly Meteorological Data for 1987.Note Tape Formatted Similar to Tape Sent Earlier by Ltr Except That Ebcdic Format Rather than Ascii Format Used.Sample Tape Dump Printout Also Encl
type: Subject
page: https://kanterella.com/AECM-2D88-2D0107-2C_Forwards_Computer_Tape_of_Hourly_Meteorological_Data_for_1987.Note_Tape_Formatted_Similar_to_Tape_Sent_Earlier_by_Ltr_Except_That_Ebcdic_Format_Rather_than_A…
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wiki page sort key: AECM-88-0107, Forwards Computer Tape of Hourly Meteorological Data for 1987.Note Tape Formatted Similar to Tape Sent Earlier by Ltr Except That Ebcdic Format Rather than Ascii Format Used.Sample Tape Dump Printout Also Encl

3F0185-01, Forwards Conceptual Design to Control Complex Dedicated HVAC Cooling Sys for Safe Shutdown Panel,Power Supply & Switchgear,Per 10CFR50 App R,In Response to 830106 Request
type: Subject
page: https://kanterella.com/3F0185-2D01-2C_Forwards_Conceptual_Design_to_Control_Complex_Dedicated_HVAC_Cooling_Sys_for_Safe_Shutdown_Panel-2CPower_Supply_-26_Switchgear-2CPer_10CFR50_App_R-2CIn_Response_t…
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wiki page sort key: 3F0185-01, Forwards Conceptual Design to Control Complex Dedicated HVAC Cooling Sys for Safe Shutdown Panel,Power Supply & Switchgear,Per 10CFR50 App R,In Response to 830106 Request

W3P84-1695, Forwards Updated Operator Shift Experience Form,In Response to 840523 Request.Options for Satisfying Shift Operating Experience Requirements at 5% Power Listed.Resumes Encl
type: Subject
page: https://kanterella.com/W3P84-2D1695-2C_Forwards_Updated_Operator_Shift_Experience_Form-2CIn_Response_to_840523_Request.Options_for_Satisfying_Shift_Operating_Experience_Requirements_at_5-_Power_Listed…
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wiki page sort key: W3P84-1695, Forwards Updated Operator Shift Experience Form,In Response to 840523 Request.Options for Satisfying Shift Operating Experience Requirements at 5% Power Listed.Resumes Encl

BECO-LTR-96-043, Radiological Environ Monitoring Program Rept No 28,Jan-Dec 1995
type: Subject
page: https://kanterella.com/BECO-2DLTR-2D96-2D043-2C_Radiological_Environ_Monitoring_Program_Rept_No_28-2CJan-2DDec_1995
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wiki page sort key: BECO-LTR-96-043, Radiological Environ Monitoring Program Rept No 28,Jan-Dec 1995

W3P84-3337, Forwards Addl Info on Soil Spring Distributions & north- South Bending Capacities in Positive & Negative Directions Re Foundation Basemat Cracks,Per Js Ma 841116,20 & 26 Requests
type: Subject
page: https://kanterella.com/W3P84-2D3337-2C_Forwards_Addl_Info_on_Soil_Spring_Distributions_-26_north-2D_South_Bending_Capacities_in_Positive_-26_Negative_Directions_Re_Foundation_Basemat_Cracks-2CPer_Js_M…
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wiki page sort key: W3P84-3337, Forwards Addl Info on Soil Spring Distributions & north- South Bending Capacities in Positive & Negative Directions Re Foundation Basemat Cracks,Per Js Ma 841116,20 & 26 Requests

LER-1987-012, :on 870519,overhead Fireproofing Blanket Matl Over Emergency Diesel Generator (EDG) Found to Be Inadequate to Provide 3 H Fire Resistance Rating.Cause Unknown.Fire Watch Established & Firecoating Installed
type: Subject
label: 05000245/LER-1987-012, :on 870519,overhead Fireproofing Blanket Matl Over Emergency Diesel Generator (EDG) Found to Be Inadequate to Provide 3 H Fire Resistance Rating.Cause Unknown.Fire Watch Established & Firecoating Installed
page: https://kanterella.com/05000245/LER-2D1987-2D012-2C_-3Aon_870519-2Coverhead_Fireproofing_Blanket_Matl_Over_Emergency_Diesel_Generator_-28EDG-29_Found_to_Be_Inadequate_to_Provide_3_H_Fire_Resistance_Ra…
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wiki page sort key: 05000245/LER-1987-012, :on 870519,overhead Fireproofing Blanket Matl Over Emergency Diesel Generator (EDG) Found to Be Inadequate to Provide 3 H Fire Resistance Rating.Cause Unknown.Fire Watch Established & Firecoating Installed

LER-1987-036, :on 871202,seismic Monitoring Instrumentation Surveillance Missed.Caused by Personnel Error.Required Surveillance Performed & Seismic Monitoring Instrumentation Verified Operable
type: Subject
label: 05000344/LER-1987-036, :on 871202,seismic Monitoring Instrumentation Surveillance Missed.Caused by Personnel Error.Required Surveillance Performed & Seismic Monitoring Instrumentation Verified Operable
page: https://kanterella.com/05000344/LER-2D1987-2D036-2C_-3Aon_871202-2Cseismic_Monitoring_Instrumentation_Surveillance_Missed.Caused_by_Personnel_Error.Required_Surveillance_Performed_-26_Seismic_Monitori…
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wiki page sort key: 05000344/LER-1987-036, :on 871202,seismic Monitoring Instrumentation Surveillance Missed.Caused by Personnel Error.Required Surveillance Performed & Seismic Monitoring Instrumentation Verified Operable

LER-1986-069, :on 860924,full Reactor Scram Originating from Nuclear Instrumentation Sys Occurred.Caused by Spurious Inoperative Trip of Intermediate Range Monitor G.Testing Procedures Will Be Revised
type: Subject
label: 05000354/LER-1986-069, :on 860924,full Reactor Scram Originating from Nuclear Instrumentation Sys Occurred.Caused by Spurious Inoperative Trip of Intermediate Range Monitor G.Testing Procedures Will Be Revised
page: https://kanterella.com/05000354/LER-2D1986-2D069-2C_-3Aon_860924-2Cfull_Reactor_Scram_Originating_from_Nuclear_Instrumentation_Sys_Occurred.Caused_by_Spurious_Inoperative_Trip_of_Intermediate_Range_Mo…
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wiki page sort key: 05000354/LER-1986-069, :on 860924,full Reactor Scram Originating from Nuclear Instrumentation Sys Occurred.Caused by Spurious Inoperative Trip of Intermediate Range Monitor G.Testing Procedures Will Be Revised

LER-1986-086, :on 861126,reactor Scram Occurred Due to Upscale Trip on intermediate-range Neutron Monitors.Caused by Personnel Error & Procedure Deficiency.Instruction Revised & Operators Retrained
type: Subject
label: 05000440/LER-1986-086, :on 861126,reactor Scram Occurred Due to Upscale Trip on intermediate-range Neutron Monitors.Caused by Personnel Error & Procedure Deficiency.Instruction Revised & Operators Retrained
page: https://kanterella.com/05000440/LER-2D1986-2D086-2C_-3Aon_861126-2Creactor_Scram_Occurred_Due_to_Upscale_Trip_on_intermediate-2Drange_Neutron_Monitors.Caused_by_Personnel_Error_-26_Procedure_Deficienc…
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wiki page sort key: 05000440/LER-1986-086, :on 861126,reactor Scram Occurred Due to Upscale Trip on intermediate-range Neutron Monitors.Caused by Personnel Error & Procedure Deficiency.Instruction Revised & Operators Retrained

LER-1986-083, :on 861119,reactor Protection Sys Actuation Occurred as Result of Installation of Jumper Across High Pressure Relay.Caused by Deficiency Re Testability of Equipment.Relays Modified & Instruction Revised
type: Subject
label: 05000440/LER-1986-083, :on 861119,reactor Protection Sys Actuation Occurred as Result of Installation of Jumper Across High Pressure Relay.Caused by Deficiency Re Testability of Equipment.Relays Modified & Instruction Revised
page: https://kanterella.com/05000440/LER-2D1986-2D083-2C_-3Aon_861119-2Creactor_Protection_Sys_Actuation_Occurred_as_Result_of_Installation_of_Jumper_Across_High_Pressure_Relay.Caused_by_Deficiency_Re_Test…
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wiki page sort key: 05000440/LER-1986-083, :on 861119,reactor Protection Sys Actuation Occurred as Result of Installation of Jumper Across High Pressure Relay.Caused by Deficiency Re Testability of Equipment.Relays Modified & Instruction Revised

Or Resin Trap Isolation Valves Being Partially Open. Demineralization Procedure & Valves Modified
type: Subject
label: 05000366/LER-1986-018, :on 860810,RWCU Isolated on High Differential Flow Signal.Caused by Failure to Fill & Vent RWCU Resin Trap &/Or Resin Trap Isolation Valves Being Partially Open. Demineralization Procedure & Valves Modified
page: https://kanterella.com/05000366/LER-2D1986-2D018-2C_-3Aon_860810-2CRWCU_Isolated_on_High_Differential_Flow_Signal.Caused_by_Failure_to_Fill_-26_Vent_RWCU_Resin_Trap_-26/Or_Resin_Trap_Isolation_Valves_…
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wiki page sort key: 05000366/LER-1986-018, :on 860810,RWCU Isolated on High Differential Flow Signal.Caused by Failure to Fill & Vent RWCU Resin Trap &/Or Resin Trap Isolation Valves Being Partially Open. Demineralization Procedure & Valves Modified

LER-1986-066, :on 860907,discovered That Surveillance Testing of Main Turbine Bypass Valve Not Performed Prior to Increasing Reactor Power Above 25-.Caused by Procedural Inadequacy.Surveillance Test Procedure Revised
type: Subject
label: 05000354/LER-1986-066, :on 860907,discovered That Surveillance Testing of Main Turbine Bypass Valve Not Performed Prior to Increasing Reactor Power Above 25%.Caused by Procedural Inadequacy.Surveillance Test Procedure Revised
page: https://kanterella.com/05000354/LER-2D1986-2D066-2C_-3Aon_860907-2Cdiscovered_That_Surveillance_Testing_of_Main_Turbine_Bypass_Valve_Not_Performed_Prior_to_Increasing_Reactor_Power_Above_25-.Caused_by…
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wiki page sort key: 05000354/LER-1986-066, :on 860907,discovered That Surveillance Testing of Main Turbine Bypass Valve Not Performed Prior to Increasing Reactor Power Above 25%.Caused by Procedural Inadequacy.Surveillance Test Procedure Revised

LER-1986-006-01, :on 860825,fire Barrier Determined to Be Nonfunctional & Fire Watch Not Established within 1 H.Caused by Procedural Inadequacy.Procedure Modified to Clarify Definition of Nonfunctional Fire Barriers
type: Subject
label: 05000155/LER-1986-006-01, :on 860825,fire Barrier Determined to Be Nonfunctional & Fire Watch Not Established within 1 H.Caused by Procedural Inadequacy.Procedure Modified to Clarify Definition of Nonfunctional Fire Barriers
page: https://kanterella.com/05000155/LER-2D1986-2D006-2D01-2C_-3Aon_860825-2Cfire_Barrier_Determined_to_Be_Nonfunctional_-26_Fire_Watch_Not_Established_within_1_H.Caused_by_Procedural_Inadequacy.Procedure_…
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wiki page sort key: 05000155/LER-1986-006-01, :on 860825,fire Barrier Determined to Be Nonfunctional & Fire Watch Not Established within 1 H.Caused by Procedural Inadequacy.Procedure Modified to Clarify Definition of Nonfunctional Fire Barriers

05000255/LER-1986-038, :on 861108,while in Cold Shutdown,Radioactive Liquid Effluent Release Occurred.Caused by Shift Supervisor Error.Shift Supervisors Counseled
type: Subject
page: https://kanterella.com/05000255/LER-2D1986-2D038-2C_-3Aon_861108-2Cwhile_in_Cold_Shutdown-2CRadioactive_Liquid_Effluent_Release_Occurred.Caused_by_Shift_Supervisor_Error.Shift_Supervisors_Counseled
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wiki page sort key: 05000255/LER-1986-038, :on 861108,while in Cold Shutdown,Radioactive Liquid Effluent Release Occurred.Caused by Shift Supervisor Error.Shift Supervisors Counseled

LER-1987-022, :on 870509,cooling Tower Blowdown Radiation Monitoring Sys Sample Pump Found Out of Svc for Greater than 12 H & Required Grab Samples Not Taken.Caused by Personnel Error.Technician Counseled & Retrained
type: Subject
label: 05000354/LER-1987-022, :on 870509,cooling Tower Blowdown Radiation Monitoring Sys Sample Pump Found Out of Svc for Greater than 12 H & Required Grab Samples Not Taken.Caused by Personnel Error.Technician Counseled & Retrained
page: https://kanterella.com/05000354/LER-2D1987-2D022-2C_-3Aon_870509-2Ccooling_Tower_Blowdown_Radiation_Monitoring_Sys_Sample_Pump_Found_Out_of_Svc_for_Greater_than_12_H_-26_Required_Grab_Samples_Not_Take…
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wiki page sort key: 05000354/LER-1987-022, :on 870509,cooling Tower Blowdown Radiation Monitoring Sys Sample Pump Found Out of Svc for Greater than 12 H & Required Grab Samples Not Taken.Caused by Personnel Error.Technician Counseled & Retrained

LER-1986-079, :on 861019,automatic Isolation of RWCU Sys from Invalid High Differential Flow Signal Occurred.Caused by Differential Flow Indication Being in Error Due to Entrapped Air in Sensing Lines.Valve Repaired
type: Subject
label: 05000354/LER-1986-079, :on 861019,automatic Isolation of RWCU Sys from Invalid High Differential Flow Signal Occurred.Caused by Differential Flow Indication Being in Error Due to Entrapped Air in Sensing Lines.Valve Repaired
page: https://kanterella.com/05000354/LER-2D1986-2D079-2C_-3Aon_861019-2Cautomatic_Isolation_of_RWCU_Sys_from_Invalid_High_Differential_Flow_Signal_Occurred.Caused_by_Differential_Flow_Indication_Being_in_E…
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wiki page sort key: 05000354/LER-1986-079, :on 861019,automatic Isolation of RWCU Sys from Invalid High Differential Flow Signal Occurred.Caused by Differential Flow Indication Being in Error Due to Entrapped Air in Sensing Lines.Valve Repaired

O Adverse Consequences.Test Procedure Revised
type: Subject
label: 05000410/LER-1987-012, :on 870208,MSIV Closure Occurred on Low Condenser Vacuum Signal.Caused by Unusual & Complicated Set of Conditions That Precluded Running Surveillance Test W/O Adverse Consequences.Test Procedure Revised
page: https://kanterella.com/05000410/LER-2D1987-2D012-2C_-3Aon_870208-2CMSIV_Closure_Occurred_on_Low_Condenser_Vacuum_Signal.Caused_by_Unusual_-26_Complicated_Set_of_Conditions_That_Precluded_Running_Surve…
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wiki page sort key: 05000410/LER-1987-012, :on 870208,MSIV Closure Occurred on Low Condenser Vacuum Signal.Caused by Unusual & Complicated Set of Conditions That Precluded Running Surveillance Test W/O Adverse Consequences.Test Procedure Revised

ML20212J439
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page: https://kanterella.com/ML20212J439
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Containment Hydrogen Monitoring Sys Did Not Employ Redundant Isolation Logic.Caused by Sys Design Description Not Being Implemented as Prescribed
type: Subject
label: 05000255/LER-1987-001-01, :on 870114,containment Penetrations Associated W/Containment Hydrogen Monitoring Sys Did Not Employ Redundant Isolation Logic.Caused by Sys Design Description Not Being Implemented as Prescribed
page: https://kanterella.com/05000255/LER-2D1987-2D001-2D01-2C_-3Aon_870114-2Ccontainment_Penetrations_Associated_W/Containment_Hydrogen_Monitoring_Sys_Did_Not_Employ_Redundant_Isolation_Logic.Caused_by_Sys…
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wiki page sort key: 05000255/LER-1987-001-01, :on 870114,containment Penetrations Associated W/Containment Hydrogen Monitoring Sys Did Not Employ Redundant Isolation Logic.Caused by Sys Design Description Not Being Implemented as Prescribed

LER-1986-013, :on 860225,reactor Protection Sys Actuation Occurred from Spike in Nuclear Instrument Channel.Caused by Reenergization of Preferred Ac Bus During Manual Transfer. Procedural Controls Instituted
type: Subject
label: 05000255/LER-1986-013, :on 860225,reactor Protection Sys Actuation Occurred from Spike in Nuclear Instrument Channel.Caused by Reenergization of Preferred Ac Bus During Manual Transfer. Procedural Controls Instituted
page: https://kanterella.com/05000255/LER-2D1986-2D013-2C_-3Aon_860225-2Creactor_Protection_Sys_Actuation_Occurred_from_Spike_in_Nuclear_Instrument_Channel.Caused_by_Reenergization_of_Preferred_Ac_Bus_Durin…
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wiki page sort key: 05000255/LER-1986-013, :on 860225,reactor Protection Sys Actuation Occurred from Spike in Nuclear Instrument Channel.Caused by Reenergization of Preferred Ac Bus During Manual Transfer. Procedural Controls Instituted

LER-1988-020, :on 881012,hydraulic Snubber RCH-81 Found Disconnected at Piping End.Snubber Removed to Allow Maint on Adjacent Valve on 871119.Snubber Reinstalled.Procedure Revised for Tracking Purpose
type: Subject
label: 05000302/LER-1988-020, :on 881012,hydraulic Snubber RCH-81 Found Disconnected at Piping End.Snubber Removed to Allow Maint on Adjacent Valve on 871119.Snubber Reinstalled.Procedure Revised for Tracking Purpose
page: https://kanterella.com/05000302/LER-2D1988-2D020-2C_-3Aon_881012-2Chydraulic_Snubber_RCH-2D81_Found_Disconnected_at_Piping_End.Snubber_Removed_to_Allow_Maint_on_Adjacent_Valve_on_871119.Snubber_Reinst…
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wiki page sort key: 05000302/LER-1988-020, :on 881012,hydraulic Snubber RCH-81 Found Disconnected at Piping End.Snubber Removed to Allow Maint on Adjacent Valve on 871119.Snubber Reinstalled.Procedure Revised for Tracking Purpose

LER-1988-019, :on 881010,HPCS Sys Inadvertently Injected, Resulting in Reactor Scram on Low Water Level.Caused by Actuation of Channels C & G of Reactor Low Water Level HPCS Initiation Logic Due to Radio Transmission
type: Subject
label: 05000416/LER-1988-019, :on 881010,HPCS Sys Inadvertently Injected, Resulting in Reactor Scram on Low Water Level.Caused by Actuation of Channels C & G of Reactor Low Water Level HPCS Initiation Logic Due to Radio Transmission
page: https://kanterella.com/05000416/LER-2D1988-2D019-2C_-3Aon_881010-2CHPCS_Sys_Inadvertently_Injected-2C_Resulting_in_Reactor_Scram_on_Low_Water_Level.Caused_by_Actuation_of_Channels_C_-26_G_of_Reactor_L…
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wiki page sort key: 05000416/LER-1988-019, :on 881010,HPCS Sys Inadvertently Injected, Resulting in Reactor Scram on Low Water Level.Caused by Actuation of Channels C & G of Reactor Low Water Level HPCS Initiation Logic Due to Radio Transmission

LER-1988-018, :on 881011,fuel Bldg Ventilation Isolation Signal & Control Room Ventilation Isolation Signal Received from Fuel Bldg Exhaust Radiation Monitor.Caused by Failed Radiation Monitor Signal Cable
type: Subject
label: 05000482/LER-1988-018, :on 881011,fuel Bldg Ventilation Isolation Signal & Control Room Ventilation Isolation Signal Received from Fuel Bldg Exhaust Radiation Monitor.Caused by Failed Radiation Monitor Signal Cable
page: https://kanterella.com/05000482/LER-2D1988-2D018-2C_-3Aon_881011-2Cfuel_Bldg_Ventilation_Isolation_Signal_-26_Control_Room_Ventilation_Isolation_Signal_Received_from_Fuel_Bldg_Exhaust_Radiation_Monito…
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wiki page sort key: 05000482/LER-1988-018, :on 881011,fuel Bldg Ventilation Isolation Signal & Control Room Ventilation Isolation Signal Received from Fuel Bldg Exhaust Radiation Monitor.Caused by Failed Radiation Monitor Signal Cable

Load Pins Out of Position.Most Likely Caused by Mispositioning of Pin.Upgraded Locking Device & Set Screws Installed
type: Subject
label: 05000275/LER-1986-013, :on 860913,three Snubbers on Steam Generator 1-2 Discovered W/Load Pins Out of Position.Most Likely Caused by Mispositioning of Pin.Upgraded Locking Device & Set Screws Installed
page: https://kanterella.com/05000275/LER-2D1986-2D013-2C_-3Aon_860913-2Cthree_Snubbers_on_Steam_Generator_1-2D2_Discovered_W/Load_Pins_Out_of_Position.Most_Likely_Caused_by_Mispositioning_of_Pin.Upgraded_L…
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wiki page sort key: 05000275/LER-1986-013, :on 860913,three Snubbers on Steam Generator 1-2 Discovered W/Load Pins Out of Position.Most Likely Caused by Mispositioning of Pin.Upgraded Locking Device & Set Screws Installed

LER-1985-027, :on 850809,offgas Pretreatment Radiation Monitors Declared Inoperable.Caused by Determination That Tech Spec 4.3.7.11-1.4 Surveillance Requirement Not Met.New Surveillance Procedures Prepared
type: Subject
label: 05000387/LER-1985-027, :on 850809,offgas Pretreatment Radiation Monitors Declared Inoperable.Caused by Determination That Tech Spec 4.3.7.11-1.4 Surveillance Requirement Not Met.New Surveillance Procedures Prepared
page: https://kanterella.com/05000387/LER-2D1985-2D027-2C_-3Aon_850809-2Coffgas_Pretreatment_Radiation_Monitors_Declared_Inoperable.Caused_by_Determination_That_Tech_Spec_4.3.7.11-2D1.4_Surveillance_Require…
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wiki page sort key: 05000387/LER-1985-027, :on 850809,offgas Pretreatment Radiation Monitors Declared Inoperable.Caused by Determination That Tech Spec 4.3.7.11-1.4 Surveillance Requirement Not Met.New Surveillance Procedures Prepared

Radiation Detector 2D18-K751D.Detector Replaced
type: Subject
label: 05000373/LER-1986-021-02, :on 860608,ESF Actuation of HVAC Emergency make-up Train B Occurred Due to Spurious Radiation Monitor Trip.Cause Attributed to Electronics Problem W/Radiation Detector 2D18-K751D.Detector Replaced
page: https://kanterella.com/05000373/LER-2D1986-2D021-2D02-2C_-3Aon_860608-2CESF_Actuation_of_HVAC_Emergency_make-2Dup_Train_B_Occurred_Due_to_Spurious_Radiation_Monitor_Trip.Cause_Attributed_to_Electronic…
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wiki page sort key: 05000373/LER-1986-021-02, :on 860608,ESF Actuation of HVAC Emergency make-up Train B Occurred Due to Spurious Radiation Monitor Trip.Cause Attributed to Electronics Problem W/Radiation Detector 2D18-K751D.Detector Replaced

ML20205J300
type: Subject
page: https://kanterella.com/ML20205J300
wiki namespace: 0
wiki page content language: en
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wiki page sort key: ML20205J300

ML20245C156
type: Subject
page: https://kanterella.com/ML20245C156
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wiki page sort key: ML20245C156

05000458/LER-1986-033, :on 860426,reactor Scrammed Due to Combination of Planned half-scram from Surveillance Test & Unplanned half-scram.Caused by Blown Fuse in Reactor Protection Sys. Fuse Replaced
type: Subject
page: https://kanterella.com/05000458/LER-2D1986-2D033-2C_-3Aon_860426-2Creactor_Scrammed_Due_to_Combination_of_Planned_half-2Dscram_from_Surveillance_Test_-26_Unplanned_half-2Dscram.Caused_by_Blown_Fuse_in…
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wiki page sort key: 05000458/LER-1986-033, :on 860426,reactor Scrammed Due to Combination of Planned half-scram from Surveillance Test & Unplanned half-scram.Caused by Blown Fuse in Reactor Protection Sys. Fuse Replaced

LER-1988-008, :on 880328,failure to Submit Special Rept Re Inoperability of Cardox Sys in Control Room on Time Determined.Caused by Lack of Programmatic Controls.Limiting Condition for Operation Instructions Revised
type: Subject
label: 05000277/LER-1988-008, :on 880328,failure to Submit Special Rept Re Inoperability of Cardox Sys in Control Room on Time Determined.Caused by Lack of Programmatic Controls.Limiting Condition for Operation Instructions Revised
page: https://kanterella.com/05000277/LER-2D1988-2D008-2C_-3Aon_880328-2Cfailure_to_Submit_Special_Rept_Re_Inoperability_of_Cardox_Sys_in_Control_Room_on_Time_Determined.Caused_by_Lack_of_Programmatic_Contr…
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wiki page sort key: 05000277/LER-1988-008, :on 880328,failure to Submit Special Rept Re Inoperability of Cardox Sys in Control Room on Time Determined.Caused by Lack of Programmatic Controls.Limiting Condition for Operation Instructions Revised

LER-1988-042-01, :on 881029,unplanned ESF Actuation Occurred. Caused by Failure of Personnel to Ensure That Work Plan Sufficiently Addressed Effects on Plant Equipment.Work Plan Specifying ESF Actuations Revised
type: Subject
label: 05000259/LER-1988-042-01, :on 881029,unplanned ESF Actuation Occurred. Caused by Failure of Personnel to Ensure That Work Plan Sufficiently Addressed Effects on Plant Equipment.Work Plan Specifying ESF Actuations Revised
page: https://kanterella.com/05000259/LER-2D1988-2D042-2D01-2C_-3Aon_881029-2Cunplanned_ESF_Actuation_Occurred._Caused_by_Failure_of_Personnel_to_Ensure_That_Work_Plan_Sufficiently_Addressed_Effects_on_Plan…
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wiki page sort key: 05000259/LER-1988-042-01, :on 881029,unplanned ESF Actuation Occurred. Caused by Failure of Personnel to Ensure That Work Plan Sufficiently Addressed Effects on Plant Equipment.Work Plan Specifying ESF Actuations Revised

LER-1986-008, :on 860202,turbine Bldg Ventilation Stack Radiation Monitors Out of Svc & 12 H Grab Samples Required by Tech Spec Action Statement 3.3.3.10 Not Taken.Caused by Chemistry Dept Error.Samples Taken
type: Subject
label: 05000423/LER-1986-008, :on 860202,turbine Bldg Ventilation Stack Radiation Monitors Out of Svc & 12 H Grab Samples Required by Tech Spec Action Statement 3.3.3.10 Not Taken.Caused by Chemistry Dept Error.Samples Taken
page: https://kanterella.com/05000423/LER-2D1986-2D008-2C_-3Aon_860202-2Cturbine_Bldg_Ventilation_Stack_Radiation_Monitors_Out_of_Svc_-26_12_H_Grab_Samples_Required_by_Tech_Spec_Action_Statement_3.3.3.10_No…
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wiki page sort key: 05000423/LER-1986-008, :on 860202,turbine Bldg Ventilation Stack Radiation Monitors Out of Svc & 12 H Grab Samples Required by Tech Spec Action Statement 3.3.3.10 Not Taken.Caused by Chemistry Dept Error.Samples Taken

LER-1988-004-02, :on 880613,discovered That Dampers in Emergency Bus Room Ventilation Duct Penetration Would Not Close.Caused by Ventilation Diffuser Located in Damper Track.Fire Watch in 4 Kv Switchgear Room Continued
type: Subject
label: 05000278/LER-1988-004-02, :on 880613,discovered That Dampers in Emergency Bus Room Ventilation Duct Penetration Would Not Close.Caused by Ventilation Diffuser Located in Damper Track.Fire Watch in 4 Kv Switchgear Room Continued
page: https://kanterella.com/05000278/LER-2D1988-2D004-2D02-2C_-3Aon_880613-2Cdiscovered_That_Dampers_in_Emergency_Bus_Room_Ventilation_Duct_Penetration_Would_Not_Close.Caused_by_Ventilation_Diffuser_Locate…
wiki namespace: 0
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cross cutting aspect: P.0(m)
wiki page sort key: 05000278/LER-1988-004-02, :on 880613,discovered That Dampers in Emergency Bus Room Ventilation Duct Penetration Would Not Close.Caused by Ventilation Diffuser Located in Damper Track.Fire Watch in 4 Kv Switchgear Room Continued

LER-1988-002, :on 880310,RCIC Made Inoperable for Approx 1 Minute Due to Automatic Closure of Steam Supply Valve While HPCI Inoperable.Caused by Failure to Follow Procedures.Rcic Restored to Svc
type: Subject
label: 05000333/LER-1988-002, :on 880310,RCIC Made Inoperable for Approx 1 Minute Due to Automatic Closure of Steam Supply Valve While HPCI Inoperable.Caused by Failure to Follow Procedures.Rcic Restored to Svc
page: https://kanterella.com/05000333/LER-2D1988-2D002-2C_-3Aon_880310-2CRCIC_Made_Inoperable_for_Approx_1_Minute_Due_to_Automatic_Closure_of_Steam_Supply_Valve_While_HPCI_Inoperable.Caused_by_Failure_to_Fo…
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wiki page sort key: 05000333/LER-1988-002, :on 880310,RCIC Made Inoperable for Approx 1 Minute Due to Automatic Closure of Steam Supply Valve While HPCI Inoperable.Caused by Failure to Follow Procedures.Rcic Restored to Svc

LER-1988-019-01, :on 880527,reactor Trip During Cycle of Alternate Source to Kxpb Breaker,Recommended by Control Room Operator to Clear Undervoltage Condition.Caused by Mgt & Design Deficiency.Util Stabilized in Mode 3
type: Subject
label: 05000414/LER-1988-019-01, :on 880527,reactor Trip During Cycle of Alternate Source to Kxpb Breaker,Recommended by Control Room Operator to Clear Undervoltage Condition.Caused by Mgt & Design Deficiency.Util Stabilized in Mode 3
page: https://kanterella.com/05000414/LER-2D1988-2D019-2D01-2C_-3Aon_880527-2Creactor_Trip_During_Cycle_of_Alternate_Source_to_Kxpb_Breaker-2CRecommended_by_Control_Room_Operator_to_Clear_Undervoltage_Condi…
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wiki page sort key: 05000414/LER-1988-019-01, :on 880527,reactor Trip During Cycle of Alternate Source to Kxpb Breaker,Recommended by Control Room Operator to Clear Undervoltage Condition.Caused by Mgt & Design Deficiency.Util Stabilized in Mode 3

LER-1988-001-01, :on 880106 & 28,liguid & Gaseous Radwaste Discharge Monitors Failed to Pass Functional Tests.Caused by Design & Procedure Deficiencies.Gaseous Radwaste Monitor Surveillance Procedures Revised
type: Subject
label: 05000354/LER-1988-001-01, :on 880106 & 28,liguid & Gaseous Radwaste Discharge Monitors Failed to Pass Functional Tests.Caused by Design & Procedure Deficiencies.Gaseous Radwaste Monitor Surveillance Procedures Revised
page: https://kanterella.com/05000354/LER-2D1988-2D001-2D01-2C_-3Aon_880106_-26_28-2Cliguid_-26_Gaseous_Radwaste_Discharge_Monitors_Failed_to_Pass_Functional_Tests.Caused_by_Design_-26_Procedure_Deficiencie…
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wiki page sort key: 05000354/LER-1988-001-01, :on 880106 & 28,liguid & Gaseous Radwaste Discharge Monitors Failed to Pass Functional Tests.Caused by Design & Procedure Deficiencies.Gaseous Radwaste Monitor Surveillance Procedures Revised

LER-1988-009, :on 880304,documentation for Completion of Surveillance Procedure 8.9.13 Not Located for Diesel Generator B.Cause Undetermined.Operating Supervisor Required to Log Initiation & Completion of Tests
type: Subject
label: 05000293/LER-1988-009, :on 880304,documentation for Completion of Surveillance Procedure 8.9.13 Not Located for Diesel Generator B.Cause Undetermined.Operating Supervisor Required to Log Initiation & Completion of Tests
page: https://kanterella.com/05000293/LER-2D1988-2D009-2C_-3Aon_880304-2Cdocumentation_for_Completion_of_Surveillance_Procedure_8.9.13_Not_Located_for_Diesel_Generator_B.Cause_Undetermined.Operating_Supervi…
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wiki page sort key: 05000293/LER-1988-009, :on 880304,documentation for Completion of Surveillance Procedure 8.9.13 Not Located for Diesel Generator B.Cause Undetermined.Operating Supervisor Required to Log Initiation & Completion of Tests

LER-1988-010, :on 870923,maint Work Request Prepared Stating That Charging Header Pressure Indicator Reading 1,000 Psi More than Local Process Pressure Gauge.Caused by Lack of Identification in Tech Spec Re Subj Loop
type: Subject
label: 05000498/LER-1988-010, :on 870923,maint Work Request Prepared Stating That Charging Header Pressure Indicator Reading 1,000 Psi More than Local Process Pressure Gauge.Caused by Lack of Identification in Tech Spec Re Subj Loop
page: https://kanterella.com/05000498/LER-2D1988-2D010-2C_-3Aon_870923-2Cmaint_Work_Request_Prepared_Stating_That_Charging_Header_Pressure_Indicator_Reading_1-2C000_Psi_More_than_Local_Process_Pressure_Gaug…
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wiki page sort key: 05000498/LER-1988-010, :on 870923,maint Work Request Prepared Stating That Charging Header Pressure Indicator Reading 1,000 Psi More than Local Process Pressure Gauge.Caused by Lack of Identification in Tech Spec Re Subj Loop

LER-1985-009, :on 850920,short Circuit Between Phases of Main Transformer Caused Turbine Generator Trip.Caused by River Water Spray from Condenser Water Box Exhaust.Changes Made to Exhaust to Eliminate Spray
type: Subject
label: 05000247/LER-1985-009, :on 850920,short Circuit Between Phases of Main Transformer Caused Turbine Generator Trip.Caused by River Water Spray from Condenser Water Box Exhaust.Changes Made to Exhaust to Eliminate Spray
page: https://kanterella.com/05000247/LER-2D1985-2D009-2C_-3Aon_850920-2Cshort_Circuit_Between_Phases_of_Main_Transformer_Caused_Turbine_Generator_Trip.Caused_by_River_Water_Spray_from_Condenser_Water_Box_E…
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wiki page sort key: 05000247/LER-1985-009, :on 850920,short Circuit Between Phases of Main Transformer Caused Turbine Generator Trip.Caused by River Water Spray from Condenser Water Box Exhaust.Changes Made to Exhaust to Eliminate Spray

LER-1986-001-01, :on 860102,automatic Reactor & Turbine Trip Occurred Due to lo-lo Steam Generator Water Level.Caused by Main Feedwater Pump Trip During Full Load Rejection Startup Test.Pump Control Oil Sys Flushed
type: Subject
label: 05000323/LER-1986-001-01, :on 860102,automatic Reactor & Turbine Trip Occurred Due to lo-lo Steam Generator Water Level.Caused by Main Feedwater Pump Trip During Full Load Rejection Startup Test.Pump Control Oil Sys Flushed
page: https://kanterella.com/05000323/LER-2D1986-2D001-2D01-2C_-3Aon_860102-2Cautomatic_Reactor_-26_Turbine_Trip_Occurred_Due_to_lo-2Dlo_Steam_Generator_Water_Level.Caused_by_Main_Feedwater_Pump_Trip_During…
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wiki page sort key: 05000323/LER-1986-001-01, :on 860102,automatic Reactor & Turbine Trip Occurred Due to lo-lo Steam Generator Water Level.Caused by Main Feedwater Pump Trip During Full Load Rejection Startup Test.Pump Control Oil Sys Flushed

LER-1985-084, :on 851210,during Routine Update of Surveillance Data Base,Violation of Tech Spec 4.0.2b Re Allowable Time Intervals Discovered.Caused by Logic Error in Computer Program.Program Corrected
type: Subject
label: 05000482/LER-1985-084, :on 851210,during Routine Update of Surveillance Data Base,Violation of Tech Spec 4.0.2b Re Allowable Time Intervals Discovered.Caused by Logic Error in Computer Program.Program Corrected
page: https://kanterella.com/05000482/LER-2D1985-2D084-2C_-3Aon_851210-2Cduring_Routine_Update_of_Surveillance_Data_Base-2CViolation_of_Tech_Spec_4.0.2b_Re_Allowable_Time_Intervals_Discovered.Caused_by_Logi…
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wiki page sort key: 05000482/LER-1985-084, :on 851210,during Routine Update of Surveillance Data Base,Violation of Tech Spec 4.0.2b Re Allowable Time Intervals Discovered.Caused by Logic Error in Computer Program.Program Corrected

LER-1985-014, :on 851018,standby Cooling Tower Level Discovered Below Min Tech Spec Requirement of 78-.Caused by Operator Error During Manual Operations of Standby Svc Water Sys.Procedure SOP-0018 Revised
type: Subject
label: 05000458/LER-1985-014, :on 851018,standby Cooling Tower Level Discovered Below Min Tech Spec Requirement of 78%.Caused by Operator Error During Manual Operations of Standby Svc Water Sys.Procedure SOP-0018 Revised
page: https://kanterella.com/05000458/LER-2D1985-2D014-2C_-3Aon_851018-2Cstandby_Cooling_Tower_Level_Discovered_Below_Min_Tech_Spec_Requirement_of_78-.Caused_by_Operator_Error_During_Manual_Operations_of_St…
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wiki page sort key: 05000458/LER-1985-014, :on 851018,standby Cooling Tower Level Discovered Below Min Tech Spec Requirement of 78%.Caused by Operator Error During Manual Operations of Standby Svc Water Sys.Procedure SOP-0018 Revised

LER-1985-025, :on 851130,during Hot Shutdown at 0- Power, Electrical Equipment Not Enviromentally Qualified Became Administratively Inoperable.Unusual Event Secured When Cold Shutdown Attained on 851201
type: Subject
label: 05000255/LER-1985-025, :on 851130,during Hot Shutdown at 0% Power, Electrical Equipment Not Enviromentally Qualified Became Administratively Inoperable.Unusual Event Secured When Cold Shutdown Attained on 851201
page: https://kanterella.com/05000255/LER-2D1985-2D025-2C_-3Aon_851130-2Cduring_Hot_Shutdown_at_0-_Power-2C_Electrical_Equipment_Not_Enviromentally_Qualified_Became_Administratively_Inoperable.Unusual_Event…
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wiki page sort key: 05000255/LER-1985-025, :on 851130,during Hot Shutdown at 0% Power, Electrical Equipment Not Enviromentally Qualified Became Administratively Inoperable.Unusual Event Secured When Cold Shutdown Attained on 851201

05000255/LER-1984-017, :on 840903,LPSI Flow Control Valve CV-3006 (Fcv:Bp) Not Fully Open.Caused by Misadjusted Packing During Refurbishing of Valve in 1983 & 1984
type: Subject
page: https://kanterella.com/05000255/LER-2D1984-2D017-2C_-3Aon_840903-2CLPSI_Flow_Control_Valve_CV-2D3006_-28Fcv-3ABp-29_Not_Fully_Open.Caused_by_Misadjusted_Packing_During_Refurbishing_of_Valve_in_1983_-2…
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wiki page sort key: 05000255/LER-1984-017, :on 840903,LPSI Flow Control Valve CV-3006 (Fcv:Bp) Not Fully Open.Caused by Misadjusted Packing During Refurbishing of Valve in 1983 & 1984

05000331/LER-1985-032, :on 850802,plant Operated for Period in Excess of 7 H W/O Performing Required Surveillance in Neutron Noise Region.Caused by Operator Error.Personnel Counseled
type: Subject
page: https://kanterella.com/05000331/LER-2D1985-2D032-2C_-3Aon_850802-2Cplant_Operated_for_Period_in_Excess_of_7_H_W/O_Performing_Required_Surveillance_in_Neutron_Noise_Region.Caused_by_Operator_Error.Pers…
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wiki page sort key: 05000331/LER-1985-032, :on 850802,plant Operated for Period in Excess of 7 H W/O Performing Required Surveillance in Neutron Noise Region.Caused by Operator Error.Personnel Counseled

BB Discovered Piped in Reverse of Sys Design & Inoperable.Caused by Failure to Revise Design Drawing.Drawing & Piping Revised
type: Subject
label: 05000373/LER-1985-053-01, :on 850717,RHR Shutdown Cooling High Suction Flow Switches 1E31-NO12AA/AB/BA/BB Discovered Piped in Reverse of Sys Design & Inoperable.Caused by Failure to Revise Design Drawing.Drawing & Piping Revised
page: https://kanterella.com/05000373/LER-2D1985-2D053-2D01-2C_-3Aon_850717-2CRHR_Shutdown_Cooling_High_Suction_Flow_Switches_1E31-2DNO12AA/AB/BA/BB_Discovered_Piped_in_Reverse_of_Sys_Design_-26_Inoperable.…
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wiki page sort key: 05000373/LER-1985-053-01, :on 850717,RHR Shutdown Cooling High Suction Flow Switches 1E31-NO12AA/AB/BA/BB Discovered Piped in Reverse of Sys Design & Inoperable.Caused by Failure to Revise Design Drawing.Drawing & Piping Revised

LER-1985-054-01, :on 850718,process Radiation Monitors Registered off-scale High,Actuating Control Room Emergency Makeup Filter Train B.Caused by Defective Procedure. Procedure Revised & Submitted for Approval
type: Subject
label: 05000373/LER-1985-054-01, :on 850718,process Radiation Monitors Registered off-scale High,Actuating Control Room Emergency Makeup Filter Train B.Caused by Defective Procedure. Procedure Revised & Submitted for Approval
page: https://kanterella.com/05000373/LER-2D1985-2D054-2D01-2C_-3Aon_850718-2Cprocess_Radiation_Monitors_Registered_off-2Dscale_High-2CActuating_Control_Room_Emergency_Makeup_Filter_Train_B.Caused_by_Defect…
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wiki page sort key: 05000373/LER-1985-054-01, :on 850718,process Radiation Monitors Registered off-scale High,Actuating Control Room Emergency Makeup Filter Train B.Caused by Defective Procedure. Procedure Revised & Submitted for Approval

LER-1985-008, :on 850928,error in Offsite Dose Rate Calculation Procedure Discovered.Caused by Use of Incorrect Equation.Procedure Corrected & Dose Rate Calculated for Worst Case During 850401-0909
type: Subject
label: 05000271/LER-1985-008, :on 850928,error in Offsite Dose Rate Calculation Procedure Discovered.Caused by Use of Incorrect Equation.Procedure Corrected & Dose Rate Calculated for Worst Case During 850401-0909
page: https://kanterella.com/05000271/LER-2D1985-2D008-2C_-3Aon_850928-2Cerror_in_Offsite_Dose_Rate_Calculation_Procedure_Discovered.Caused_by_Use_of_Incorrect_Equation.Procedure_Corrected_-26_Dose_Rate_Cal…
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wiki page sort key: 05000271/LER-1985-008, :on 850928,error in Offsite Dose Rate Calculation Procedure Discovered.Caused by Use of Incorrect Equation.Procedure Corrected & Dose Rate Calculated for Worst Case During 850401-0909

Ref Leg A.Caused by Excess Condensate Accumulation in Steam Line
type: Subject
label: 05000322/LER-1985-038, :on 850908,water Level Indicator Associated W/Ref Leg B Read High & Diverged from Water Level Indicators Associated W/Ref Leg A.Caused by Excess Condensate Accumulation in Steam Line
page: https://kanterella.com/05000322/LER-2D1985-2D038-2C_-3Aon_850908-2Cwater_Level_Indicator_Associated_W/Ref_Leg_B_Read_High_-26_Diverged_from_Water_Level_Indicators_Associated_W/Ref_Leg_A.Caused_by_Exce…
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wiki page sort key: 05000322/LER-1985-038, :on 850908,water Level Indicator Associated W/Ref Leg B Read High & Diverged from Water Level Indicators Associated W/Ref Leg A.Caused by Excess Condensate Accumulation in Steam Line

LER-1985-025-01, :on 850906,discovered That Reactor Trip Instrumentation Surveillance Requirements 4.3.1.1.1,Items 18B & 20 Inadequate.Cause Not Determined.Items Added to Computerized Nuclear Test Schedule for Reactor Startup
type: Subject
label: 05000316/LER-1985-025-01, :on 850906,discovered That Reactor Trip Instrumentation Surveillance Requirements 4.3.1.1.1,Items 18B & 20 Inadequate.Cause Not Determined.Items Added to Computerized Nuclear Test Schedule for Reactor Startup
page: https://kanterella.com/05000316/LER-2D1985-2D025-2D01-2C_-3Aon_850906-2Cdiscovered_That_Reactor_Trip_Instrumentation_Surveillance_Requirements_4.3.1.1.1-2CItems_18B_-26_20_Inadequate.Cause_Not_Determi…
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wiki page sort key: 05000316/LER-1985-025-01, :on 850906,discovered That Reactor Trip Instrumentation Surveillance Requirements 4.3.1.1.1,Items 18B & 20 Inadequate.Cause Not Determined.Items Added to Computerized Nuclear Test Schedule for Reactor Startup

LER-1985-022, :on 850502 & 04-07,during Refueling,High Alarms Received on Lower Containment Monitor Particulate Channels ERS-1301 & ERS-1401.Caused by Fluctuation Activity Resulting in Erroneous Alarms.Value Will Be Updated
type: Subject
label: 05000315/LER-1985-022, :on 850502 & 04-07,during Refueling,High Alarms Received on Lower Containment Monitor Particulate Channels ERS-1301 & ERS-1401.Caused by Fluctuation Activity Resulting in Erroneous Alarms.Value Will Be Updated
page: https://kanterella.com/05000315/LER-2D1985-2D022-2C_-3Aon_850502_-26_04-2D07-2Cduring_Refueling-2CHigh_Alarms_Received_on_Lower_Containment_Monitor_Particulate_Channels_ERS-2D1301_-26_ERS-2D1401.Cause…
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cross cutting aspect: P.0(m)
wiki page sort key: 05000315/LER-1985-022, :on 850502 & 04-07,during Refueling,High Alarms Received on Lower Containment Monitor Particulate Channels ERS-1301 & ERS-1401.Caused by Fluctuation Activity Resulting in Erroneous Alarms.Value Will Be Updated

LER-1992-010, :on 920808,standby Train a CCW Pump Started Due Sensed Low Pressure on Miscellaneous Supply Header.Caused by Lack of Procedural Guidance.Surveillance Procedure & Sys Operating Procedure Revised
type: Subject
label: 05000498/LER-1992-010, :on 920808,standby Train a CCW Pump Started Due Sensed Low Pressure on Miscellaneous Supply Header.Caused by Lack of Procedural Guidance.Surveillance Procedure & Sys Operating Procedure Revised
page: https://kanterella.com/05000498/LER-2D1992-2D010-2C_-3Aon_920808-2Cstandby_Train_a_CCW_Pump_Started_Due_Sensed_Low_Pressure_on_Miscellaneous_Supply_Header.Caused_by_Lack_of_Procedural_Guidance.Surveil…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000498/LER-1992-010, :on 920808,standby Train a CCW Pump Started Due Sensed Low Pressure on Miscellaneous Supply Header.Caused by Lack of Procedural Guidance.Surveillance Procedure & Sys Operating Procedure Revised

LER-1985-005-01, :on 850411,reactor Tripped from 100- Full Power Upon Closure of Low Pressure Turbine Intercept Valves & Main Turbine Control Valves.Caused by High Turbine Header Pressure & Reduced Heat Transfer
type: Subject
label: 05000269/LER-1985-005-01, :on 850411,reactor Tripped from 100% Full Power Upon Closure of Low Pressure Turbine Intercept Valves & Main Turbine Control Valves.Caused by High Turbine Header Pressure & Reduced Heat Transfer
page: https://kanterella.com/05000269/LER-2D1985-2D005-2D01-2C_-3Aon_850411-2Creactor_Tripped_from_100-_Full_Power_Upon_Closure_of_Low_Pressure_Turbine_Intercept_Valves_-26_Main_Turbine_Control_Valves.Cause…
wiki namespace: 0
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cross cutting aspect: P.0(m)
wiki page sort key: 05000269/LER-1985-005-01, :on 850411,reactor Tripped from 100% Full Power Upon Closure of Low Pressure Turbine Intercept Valves & Main Turbine Control Valves.Caused by High Turbine Header Pressure & Reduced Heat Transfer

LER-1984-070, :on 841009,door to Main Steam Tunnel on 687 Ft Elevation of Auxiliary Bldg Found Unsecured & Held Open by Ventilation Flow.Caused by Personnel Error.Employee Counseled & Contractor Personnel Trained
type: Subject
label: 05000374/LER-1984-070, :on 841009,door to Main Steam Tunnel on 687 Ft Elevation of Auxiliary Bldg Found Unsecured & Held Open by Ventilation Flow.Caused by Personnel Error.Employee Counseled & Contractor Personnel Trained
page: https://kanterella.com/05000374/LER-2D1984-2D070-2C_-3Aon_841009-2Cdoor_to_Main_Steam_Tunnel_on_687_Ft_Elevation_of_Auxiliary_Bldg_Found_Unsecured_-26_Held_Open_by_Ventilation_Flow.Caused_by_Personnel…
wiki namespace: 0
wiki page content language: en
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wiki page sort key: 05000374/LER-1984-070, :on 841009,door to Main Steam Tunnel on 687 Ft Elevation of Auxiliary Bldg Found Unsecured & Held Open by Ventilation Flow.Caused by Personnel Error.Employee Counseled & Contractor Personnel Trained

Tech Spec 3.3.3.9 When Fire Alarm for Svc Water Intake Structure Cut Out.Caused by Personnel Error.Personnel Counseled & Fire Alarm Returned to Svc
type: Subject
label: 05000348/LER-1984-021, :on 841008,hourly Fire Watch Not Conducted in Accordance W/Tech Spec 3.3.3.9 When Fire Alarm for Svc Water Intake Structure Cut Out.Caused by Personnel Error.Personnel Counseled & Fire Alarm Returned to Svc
page: https://kanterella.com/05000348/LER-2D1984-2D021-2C_-3Aon_841008-2Chourly_Fire_Watch_Not_Conducted_in_Accordance_W/Tech_Spec_3.3.3.9_When_Fire_Alarm_for_Svc_Water_Intake_Structure_Cut_Out.Caused_by_Pe…
wiki namespace: 0
wiki page content language: en
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wiki page sort key: 05000348/LER-1984-021, :on 841008,hourly Fire Watch Not Conducted in Accordance W/Tech Spec 3.3.3.9 When Fire Alarm for Svc Water Intake Structure Cut Out.Caused by Personnel Error.Personnel Counseled & Fire Alarm Returned to Svc

LER-1985-001-01, :on 850111,one of Two Trains of Engineered Safeguards Sys Rendered Inoperable Due to Loss of Power Supply in Engineered Safeguards Protection Sys Cabinet. Caused by Failed Electrolyte Capacitor
type: Subject
label: 05000269/LER-1985-001-01, :on 850111,one of Two Trains of Engineered Safeguards Sys Rendered Inoperable Due to Loss of Power Supply in Engineered Safeguards Protection Sys Cabinet. Caused by Failed Electrolyte Capacitor
page: https://kanterella.com/05000269/LER-2D1985-2D001-2D01-2C_-3Aon_850111-2Cone_of_Two_Trains_of_Engineered_Safeguards_Sys_Rendered_Inoperable_Due_to_Loss_of_Power_Supply_in_Engineered_Safeguards_Protecti…
wiki namespace: 0
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wiki page sort key: 05000269/LER-1985-001-01, :on 850111,one of Two Trains of Engineered Safeguards Sys Rendered Inoperable Due to Loss of Power Supply in Engineered Safeguards Protection Sys Cabinet. Caused by Failed Electrolyte Capacitor

05000364/LER-1984-010-01, :on 840915,steam Generator 2A Steam Flow Channel F1-475 Not Tripped Until 4 H After Channel Declared Inoperable.Caused by Personnel Error.Transmitter Equalizing Valve Closed
type: Subject
page: https://kanterella.com/05000364/LER-2D1984-2D010-2D01-2C_-3Aon_840915-2Csteam_Generator_2A_Steam_Flow_Channel_F1-2D475_Not_Tripped_Until_4_H_After_Channel_Declared_Inoperable.Caused_by_Personnel_Error…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000364/LER-1984-010-01, :on 840915,steam Generator 2A Steam Flow Channel F1-475 Not Tripped Until 4 H After Channel Declared Inoperable.Caused by Personnel Error.Transmitter Equalizing Valve Closed

05000373/LER-1985-025-01, :on 850304,drywell Vacuum Breaker Cycled Open & Closed.Caused by Steam from RCIC Turbine Causing Temp/ Pressure in Suppression Pool to Rise.Breaker Operated as Required
type: Subject
page: https://kanterella.com/05000373/LER-2D1985-2D025-2D01-2C_-3Aon_850304-2Cdrywell_Vacuum_Breaker_Cycled_Open_-26_Closed.Caused_by_Steam_from_RCIC_Turbine_Causing_Temp/_Pressure_in_Suppression_Pool_to_Ri…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000373/LER-1985-025-01, :on 850304,drywell Vacuum Breaker Cycled Open & Closed.Caused by Steam from RCIC Turbine Causing Temp/ Pressure in Suppression Pool to Rise.Breaker Operated as Required

LER-1985-006-04, :on 850217,reactor Scram Occurred During Undervoltage Tests.Caused by Misunderstanding of Ae Re Power Supply Divisionalization.Power Supplies Will Be Redesigned, Rewired & Tested
type: Subject
label: 05000237/LER-1985-006-04, :on 850217,reactor Scram Occurred During Undervoltage Tests.Caused by Misunderstanding of Ae Re Power Supply Divisionalization.Power Supplies Will Be Redesigned, Rewired & Tested
page: https://kanterella.com/05000237/LER-2D1985-2D006-2D04-2C_-3Aon_850217-2Creactor_Scram_Occurred_During_Undervoltage_Tests.Caused_by_Misunderstanding_of_Ae_Re_Power_Supply_Divisionalization.Power_Suppli…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000237/LER-1985-006-04, :on 850217,reactor Scram Occurred During Undervoltage Tests.Caused by Misunderstanding of Ae Re Power Supply Divisionalization.Power Supplies Will Be Redesigned, Rewired & Tested

LER-1985-003, :on 850131,monthly River Water Samples Scheduled to Be Collected During Wk Ending 850113 Were Collected 850124,contrary to Tech Specs.Caused by Personnel Error.Surveillance Requirements Reviewed by Personnel
type: Subject
label: 05000271/LER-1985-003, :on 850131,monthly River Water Samples Scheduled to Be Collected During Wk Ending 850113 Were Collected 850124,contrary to Tech Specs.Caused by Personnel Error.Surveillance Requirements Reviewed by Personnel
page: https://kanterella.com/05000271/LER-2D1985-2D003-2C_-3Aon_850131-2Cmonthly_River_Water_Samples_Scheduled_to_Be_Collected_During_Wk_Ending_850113_Were_Collected_850124-2Ccontrary_to_Tech_Specs.Caused_b…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000271/LER-1985-003, :on 850131,monthly River Water Samples Scheduled to Be Collected During Wk Ending 850113 Were Collected 850124,contrary to Tech Specs.Caused by Personnel Error.Surveillance Requirements Reviewed by Personnel

LER-1985-011-01, :on 850202,group 1 Isolation Occurred Due to High Main Steam Tunnel Ambient Air Temp,Causing Reactor Scram.Caused by Lack of Ventilation Flow to Steam Tunnel. Isolation Dampers Repaired
type: Subject
label: 05000373/LER-1985-011-01, :on 850202,group 1 Isolation Occurred Due to High Main Steam Tunnel Ambient Air Temp,Causing Reactor Scram.Caused by Lack of Ventilation Flow to Steam Tunnel. Isolation Dampers Repaired
page: https://kanterella.com/05000373/LER-2D1985-2D011-2D01-2C_-3Aon_850202-2Cgroup_1_Isolation_Occurred_Due_to_High_Main_Steam_Tunnel_Ambient_Air_Temp-2CCausing_Reactor_Scram.Caused_by_Lack_of_Ventilation_…
wiki namespace: 0
wiki page content language: en
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wiki page sort key: 05000373/LER-1985-011-01, :on 850202,group 1 Isolation Occurred Due to High Main Steam Tunnel Ambient Air Temp,Causing Reactor Scram.Caused by Lack of Ventilation Flow to Steam Tunnel. Isolation Dampers Repaired

LER-1984-013-01, :on 840726,during Scram Due to Turbine Control Valve Fast Closure & Deenergization of 13.8 Kv & 14.16 Kv Buses,Control Rods Did Not Fully Insert.Caused by Failure of Diesel Generators to Start Automatically
type: Subject
label: 05000388/LER-1984-013-01, :on 840726,during Scram Due to Turbine Control Valve Fast Closure & Deenergization of 13.8 Kv & 14.16 Kv Buses,Control Rods Did Not Fully Insert.Caused by Failure of Diesel Generators to Start Automatically
page: https://kanterella.com/05000388/LER-2D1984-2D013-2D01-2C_-3Aon_840726-2Cduring_Scram_Due_to_Turbine_Control_Valve_Fast_Closure_-26_Deenergization_of_13.8_Kv_-26_14.16_Kv_Buses-2CControl_Rods_Did_Not_F…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000388/LER-1984-013-01, :on 840726,during Scram Due to Turbine Control Valve Fast Closure & Deenergization of 13.8 Kv & 14.16 Kv Buses,Control Rods Did Not Fully Insert.Caused by Failure of Diesel Generators to Start Automatically

LER-1984-007-01, :on 840622,work on Pressure Indicator Caused Number of Spurious Actuations of Low Temp Overpressure Protection Sys.Caused by Personnel Error.Proper Communication & Job Coordination Emphasized
type: Subject
label: 05000255/LER-1984-007-01, :on 840622,work on Pressure Indicator Caused Number of Spurious Actuations of Low Temp Overpressure Protection Sys.Caused by Personnel Error.Proper Communication & Job Coordination Emphasized
page: https://kanterella.com/05000255/LER-2D1984-2D007-2D01-2C_-3Aon_840622-2Cwork_on_Pressure_Indicator_Caused_Number_of_Spurious_Actuations_of_Low_Temp_Overpressure_Protection_Sys.Caused_by_Personnel_Erro…
wiki namespace: 0
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cross cutting aspect: P.0(m)
wiki page sort key: 05000255/LER-1984-007-01, :on 840622,work on Pressure Indicator Caused Number of Spurious Actuations of Low Temp Overpressure Protection Sys.Caused by Personnel Error.Proper Communication & Job Coordination Emphasized

ML20087L319
type: Subject
page: https://kanterella.com/ML20087L319
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: ML20087L319

ML20094K394
type: Subject
page: https://kanterella.com/ML20094K394
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: ML20094K394

LER-1995-006, :on 950622,determined That Analysis of RCS Dose Equivalent Iodine (Dei) Analysis Not Performed Per TS SR 4.4.9 Due Cognitive Personnel Error.Dei Analysis Completed on 950622 & Personnel Reinstructed
type: Subject
label: 05000364/LER-1995-006, :on 950622,determined That Analysis of RCS Dose Equivalent Iodine (Dei) Analysis Not Performed Per TS SR 4.4.9 Due Cognitive Personnel Error.Dei Analysis Completed on 950622 & Personnel Reinstructed
page: https://kanterella.com/05000364/LER-2D1995-2D006-2C_-3Aon_950622-2Cdetermined_That_Analysis_of_RCS_Dose_Equivalent_Iodine_-28Dei-29_Analysis_Not_Performed_Per_TS_SR_4.4.9_Due_Cognitive_Personnel_Error…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000364/LER-1995-006, :on 950622,determined That Analysis of RCS Dose Equivalent Iodine (Dei) Analysis Not Performed Per TS SR 4.4.9 Due Cognitive Personnel Error.Dei Analysis Completed on 950622 & Personnel Reinstructed

LER-1991-006-01, :on 911104,discovered Increased Potential for post-LOCA Boron Precipitation.Caused by Error in NSSS Vendor Licensing Basis Analysis.Util Will Confirm Calculations to Support Conclusions within 1 Month
type: Subject
label: 05000289/LER-1991-006-01, :on 911104,discovered Increased Potential for post-LOCA Boron Precipitation.Caused by Error in NSSS Vendor Licensing Basis Analysis.Util Will Confirm Calculations to Support Conclusions within 1 Month
page: https://kanterella.com/05000289/LER-2D1991-2D006-2D01-2C_-3Aon_911104-2Cdiscovered_Increased_Potential_for_post-2DLOCA_Boron_Precipitation.Caused_by_Error_in_NSSS_Vendor_Licensing_Basis_Analysis.Util_…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000289/LER-1991-006-01, :on 911104,discovered Increased Potential for post-LOCA Boron Precipitation.Caused by Error in NSSS Vendor Licensing Basis Analysis.Util Will Confirm Calculations to Support Conclusions within 1 Month

Sr 5.2.7a-A,water Turbine Drive Surveillance.Caused by Procedural Inadequacy
type: Subject
label: 05000267/LER-1984-004, :on 840327,surveillance Test Requirements for SR 5.2.23,firewater Booster Pump Surveillance,Not Performed in Conjunction W/Sr 5.2.7a-A,water Turbine Drive Surveillance.Caused by Procedural Inadequacy
page: https://kanterella.com/05000267/LER-2D1984-2D004-2C_-3Aon_840327-2Csurveillance_Test_Requirements_for_SR_5.2.23-2Cfirewater_Booster_Pump_Surveillance-2CNot_Performed_in_Conjunction_W/Sr_5.2.7a-2DA-2Cw…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000267/LER-1984-004, :on 840327,surveillance Test Requirements for SR 5.2.23,firewater Booster Pump Surveillance,Not Performed in Conjunction W/Sr 5.2.7a-A,water Turbine Drive Surveillance.Caused by Procedural Inadequacy

ML20133M218
type: Subject
page: https://kanterella.com/ML20133M218
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: ML20133M218

safety Injection Tank T-82D Inoperable Due to Routine Evolution,Second Safety Injection Tank T-82B Became Inoperable Due to Low Level.Caused by Leakage Past Fill & Drain Valve
type: Subject
label: 05000255/LER-1983-052-01, /01T-0:on 830804,w/safety Injection Tank T-82D Inoperable Due to Routine Evolution,Second Safety Injection Tank T-82B Became Inoperable Due to Low Level.Caused by Leakage Past Fill & Drain Valve
page: https://kanterella.com/05000255/LER-2D1983-2D052-2D01-2C_/01T-2D0-3Aon_830804-2Cw/safety_Injection_Tank_T-2D82D_Inoperable_Due_to_Routine_Evolution-2CSecond_Safety_Injection_Tank_T-2D82B_Became_Inoper…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000255/LER-1983-052-01, /01T-0:on 830804,w/safety Injection Tank T-82D Inoperable Due to Routine Evolution,Second Safety Injection Tank T-82B Became Inoperable Due to Low Level.Caused by Leakage Past Fill & Drain Valve

LER-1984-002-03, :on 840106,unit Scrammed on Low Water Level Following Trip of Turbine Driven Reactor Feed Pump on High Seal Temp.Caused by Failed Flow Controller Which Regulates Seal Water Temp.Controller Replaced
type: Subject
label: 05000373/LER-1984-002-03, :on 840106,unit Scrammed on Low Water Level Following Trip of Turbine Driven Reactor Feed Pump on High Seal Temp.Caused by Failed Flow Controller Which Regulates Seal Water Temp.Controller Replaced
page: https://kanterella.com/05000373/LER-2D1984-2D002-2D03-2C_-3Aon_840106-2Cunit_Scrammed_on_Low_Water_Level_Following_Trip_of_Turbine_Driven_Reactor_Feed_Pump_on_High_Seal_Temp.Caused_by_Failed_Flow_Cont…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000373/LER-1984-002-03, :on 840106,unit Scrammed on Low Water Level Following Trip of Turbine Driven Reactor Feed Pump on High Seal Temp.Caused by Failed Flow Controller Which Regulates Seal Water Temp.Controller Replaced

LER-1991-005, :on 910617,fault Occurred on B-phase of Breaker J5232 (500 Kv).Caused by Inadequate Maint Practices.High Pressure Tank Replaced & Three Adjacent High Pressure Tanks within B-phase Inspected & Cleaned
type: Subject
label: 05000416/LER-1991-005, :on 910617,fault Occurred on B-phase of Breaker J5232 (500 Kv).Caused by Inadequate Maint Practices.High Pressure Tank Replaced & Three Adjacent High Pressure Tanks within B-phase Inspected & Cleaned
page: https://kanterella.com/05000416/LER-2D1991-2D005-2C_-3Aon_910617-2Cfault_Occurred_on_B-2Dphase_of_Breaker_J5232_-28500_Kv-29.Caused_by_Inadequate_Maint_Practices.High_Pressure_Tank_Replaced_-26_Three_…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000416/LER-1991-005, :on 910617,fault Occurred on B-phase of Breaker J5232 (500 Kv).Caused by Inadequate Maint Practices.High Pressure Tank Replaced & Three Adjacent High Pressure Tanks within B-phase Inspected & Cleaned

05000285/LER-1991-014, :on 910629,radiation Monitor RM-054A Discovered Out of Svc.Caused by Personnel Error.Test OP-ST-SHIFT-0001 Revised to Include check-off When All Radiation Monitors Calibrated
type: Subject
page: https://kanterella.com/05000285/LER-2D1991-2D014-2C_-3Aon_910629-2Cradiation_Monitor_RM-2D054A_Discovered_Out_of_Svc.Caused_by_Personnel_Error.Test_OP-2DST-2DSHIFT-2D0001_Revised_to_Include_check-2Dof…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000285/LER-1991-014, :on 910629,radiation Monitor RM-054A Discovered Out of Svc.Caused by Personnel Error.Test OP-ST-SHIFT-0001 Revised to Include check-off When All Radiation Monitors Calibrated

03L-0:on 820901 & 20,pump 1-SW-P-10A Experienced Loss of Suction Power & on 820901,14 & 20,pump 1-SW-P-10A Experienced Similar Loss of Suction.Cause Due to Insufficient Npsh.Svc Water Replaced.Svc Water Pumps Vented
type: Subject
label: 05000280/LER-1982-087-03, /03L-0:on 820901 & 20,pump 1-SW-P-10A Experienced Loss of Suction Power & on 820901,14 & 20,pump 1-SW-P-10A Experienced Similar Loss of Suction.Cause Due to Insufficient Npsh.Svc Water Replaced.Svc Water Pumps Vented
page: https://kanterella.com/05000280/LER-2D1982-2D087-2D03-2C_/03L-2D0-3Aon_820901_-26_20-2Cpump_1-2DSW-2DP-2D10A_Experienced_Loss_of_Suction_Power_-26_on_820901-2C14_-26_20-2Cpump_1-2DSW-2DP-2D10A_Experie…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000280/LER-1982-087-03, /03L-0:on 820901 & 20,pump 1-SW-P-10A Experienced Loss of Suction Power & on 820901,14 & 20,pump 1-SW-P-10A Experienced Similar Loss of Suction.Cause Due to Insufficient Npsh.Svc Water Replaced.Svc Water Pumps Vented

LER-1990-013, :on 900830,inadvertent Mispositioning of Control Switch of 11 Shield Bldg Ventilation Heater Controls Identified.Caused by Workman Unknowingly Moving Switch. Protective Covers Installed Over Switches
type: Subject
label: 05000282/LER-1990-013, :on 900830,inadvertent Mispositioning of Control Switch of 11 Shield Bldg Ventilation Heater Controls Identified.Caused by Workman Unknowingly Moving Switch. Protective Covers Installed Over Switches
page: https://kanterella.com/05000282/LER-2D1990-2D013-2C_-3Aon_900830-2Cinadvertent_Mispositioning_of_Control_Switch_of_11_Shield_Bldg_Ventilation_Heater_Controls_Identified.Caused_by_Workman_Unknowingly_M…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000282/LER-1990-013, :on 900830,inadvertent Mispositioning of Control Switch of 11 Shield Bldg Ventilation Heater Controls Identified.Caused by Workman Unknowingly Moving Switch. Protective Covers Installed Over Switches

unit at 99- power,PT-27C Revealed That Amp Readings for Heat Tracing Panel 9,circuit 19,was Below Acceptance Criteria.Caused by Excessive Heat. Defective Heat Tracing Replaced & Tested
type: Subject
label: 05000280/LER-1982-096-03, /03L-0:on 820916,w/unit at 99% power,PT-27C Revealed That Amp Readings for Heat Tracing Panel 9,circuit 19,was Below Acceptance Criteria.Caused by Excessive Heat. Defective Heat Tracing Replaced & Tested
page: https://kanterella.com/05000280/LER-2D1982-2D096-2D03-2C_/03L-2D0-3Aon_820916-2Cw/unit_at_99-_power-2CPT-2D27C_Revealed_That_Amp_Readings_for_Heat_Tracing_Panel_9-2Ccircuit_19-2Cwas_Below_Acceptance_C…
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000280/LER-1982-096-03, /03L-0:on 820916,w/unit at 99% power,PT-27C Revealed That Amp Readings for Heat Tracing Panel 9,circuit 19,was Below Acceptance Criteria.Caused by Excessive Heat. Defective Heat Tracing Replaced & Tested

05000272/LER-1982-027-99, During Surveillance Testing,Fire Pump 2 Did Not Start in Automatic Mode & Declared Inoperable.Caused by Damaged Flywheel.Flywheel Repaired
type: Subject
page: https://kanterella.com/05000272/LER-2D1982-2D027-2D99-2C_During_Surveillance_Testing-2CFire_Pump_2_Did_Not_Start_in_Automatic_Mode_-26_Declared_Inoperable.Caused_by_Damaged_Flywheel.Flywheel_Repaired
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: 05000272/LER-1982-027-99, During Surveillance Testing,Fire Pump 2 Did Not Start in Automatic Mode & Declared Inoperable.Caused by Damaged Flywheel.Flywheel Repaired

ML20044D424
type: Subject
page: https://kanterella.com/ML20044D424
wiki namespace: 0
wiki page content language: en
cross cutting aspect: P.0(m)
wiki page sort key: ML20044D424

LER-1989-010-03, :on 880314,auxiliary Feedwater Pump 2A Discharge to Steam Generator 2A Isolation Failed to Completely Close.Caused by Design Deficiency.Mods to Actuator Torque Switch Setting Increased
type: Subject
label: 05000414/LER-1989-010-03, :on 880314,auxiliary Feedwater Pump 2A Discharge to Steam Generator 2A Isolation Failed to Completely Close.Caused by Design Deficiency.Mods to Actuator Torque Switch Setting Increased
page: https://kanterella.com/05000414/LER-2D1989-2D010-2D03-2C_-3Aon_880314-2Cauxiliary_Feedwater_Pump_2A_Discharge_to_Steam_Generator_2A_Isolation_Failed_to_Completely_Close.Caused_by_Design_Deficiency.Mod…
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wiki page sort key: 05000414/LER-1989-010-03, :on 880314,auxiliary Feedwater Pump 2A Discharge to Steam Generator 2A Isolation Failed to Completely Close.Caused by Design Deficiency.Mods to Actuator Torque Switch Setting Increased

LER-1989-030-01, :on 890726,Tech Spec Violation Occurred Due to Shipment of Two Liners of Secondary Bead & Powdex Resin Mixture.On 891215,same Tech Spec Violation Occurred.Caused by Mgt Deficiency.Shipments Suspended
type: Subject
label: 05000413/LER-1989-030-01, :on 890726,Tech Spec Violation Occurred Due to Shipment of Two Liners of Secondary Bead & Powdex Resin Mixture.On 891215,same Tech Spec Violation Occurred.Caused by Mgt Deficiency.Shipments Suspended
page: https://kanterella.com/05000413/LER-2D1989-2D030-2D01-2C_-3Aon_890726-2CTech_Spec_Violation_Occurred_Due_to_Shipment_of_Two_Liners_of_Secondary_Bead_-26_Powdex_Resin_Mixture.On_891215-2Csame_Tech_Spec…
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wiki page sort key: 05000413/LER-1989-030-01, :on 890726,Tech Spec Violation Occurred Due to Shipment of Two Liners of Secondary Bead & Powdex Resin Mixture.On 891215,same Tech Spec Violation Occurred.Caused by Mgt Deficiency.Shipments Suspended

LER-1990-015, :on 900415,ESF Signal Actuation for Containment Ventilation Isolation Occurred.Caused by Procedural Inadequacy.Setpoint Setting Modified & Detector Time Constant Extended from 20 to 40
type: Subject
label: 05000311/LER-1990-015, :on 900415,ESF Signal Actuation for Containment Ventilation Isolation Occurred.Caused by Procedural Inadequacy.Setpoint Setting Modified & Detector Time Constant Extended from 20 to 40
page: https://kanterella.com/05000311/LER-2D1990-2D015-2C_-3Aon_900415-2CESF_Signal_Actuation_for_Containment_Ventilation_Isolation_Occurred.Caused_by_Procedural_Inadequacy.Setpoint_Setting_Modified_-26_Det…
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wiki page sort key: 05000311/LER-1990-015, :on 900415,ESF Signal Actuation for Containment Ventilation Isolation Occurred.Caused by Procedural Inadequacy.Setpoint Setting Modified & Detector Time Constant Extended from 20 to 40

LER-1989-004-02, :on 891221,unit Tripped & Reactor Coolant Pumps Lost Power.Caused by Faulty Voltage Regulation of One CRD Mechanism motor-generator Set.Regulator for Set Replaced & Tested.On 891226,identical Trip Occurred
type: Subject
label: 05000306/LER-1989-004-02, :on 891221,unit Tripped & Reactor Coolant Pumps Lost Power.Caused by Faulty Voltage Regulation of One CRD Mechanism motor-generator Set.Regulator for Set Replaced & Tested.On 891226,identical Trip Occurred
page: https://kanterella.com/05000306/LER-2D1989-2D004-2D02-2C_-3Aon_891221-2Cunit_Tripped_-26_Reactor_Coolant_Pumps_Lost_Power.Caused_by_Faulty_Voltage_Regulation_of_One_CRD_Mechanism_motor-2Dgenerator_Set…
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wiki page sort key: 05000306/LER-1989-004-02, :on 891221,unit Tripped & Reactor Coolant Pumps Lost Power.Caused by Faulty Voltage Regulation of One CRD Mechanism motor-generator Set.Regulator for Set Replaced & Tested.On 891226,identical Trip Occurred

ML19343D239
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L-2014-154, Response to Request for Additional Information Regarding License Amendment Request No. 216 - Transition to 10 CFR 50.48(c) - NFPA 805 Performance-Based Standard for Fire Protection for Light Water Reactor
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TMI-11-061, ISI Program Plan, Fourth Ten-Year Inspection Interval
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LER-1987-002, :on 870222,reactor Tripped Due to High Steam Generator Water Level.Caused by Calibr Drift of Electrical Current to Pressure Converter,Preventing Steam Generator Valve from Opening.Converter Recalibr
type: Subject
label: 05000275/LER-1987-002, :on 870222,reactor Tripped Due to High Steam Generator Water Level.Caused by Calibr Drift of Electrical Current to Pressure Converter,Preventing Steam Generator Valve from Opening.Converter Recalibr
page: https://kanterella.com/05000275/LER-2D1987-2D002-2C_-3Aon_870222-2Creactor_Tripped_Due_to_High_Steam_Generator_Water_Level.Caused_by_Calibr_Drift_of_Electrical_Current_to_Pressure_Converter-2CPreventi…
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