Pages that link to "NRC Form 356A"
Jump to navigation
Jump to search
The following pages link to NRC Form 356A:
Displayed 50 items.
- RC-98-0133, Responds to Violations Noted in Insp Rept 50-395/98-04. Corrective Actions:Need for Adding Applicable Action Statement for Tt & Feedwater Isolation Automatic Actuation Logic as Part of Conversion to Improved TS Will Be Assessed (← links)
- 05000346/LER-1998-003, :on 980519,Mode 3 Entry Without Completion of Surveillance Requirement Occurred.Caused by Failure of I&C Technicians to Perform Each Sp as Written or Adherence. Revised Procedure (← links)
- 05000260/LER-1989-008, :on 890309,ESF Actuation Occurred Due to Electrical Fault on Unit Station Svc Transformer 2B.Caused by Personnel Not Taking Appropriate Actions.Power Supplies Realigned & Isolation & Actuations Reset (← links)
- 05000370/LER-1989-008-04, :on 890828,discovered That Sample Obtained for Chemical & Vol Control Sys Letdown HX Outlet Found to Be Invalid.Caused by Chemistry Technician Failure to Follow Procedure.Event Reviewed W/All Technicians (← links)
- 05000327/LER-1989-013, :on 890503,train B Control Room Isolation Signal Received in Main Control Room.Caused by Operator Bumping Radiation Monitor Pump Motor Breaker While Changing Recorder Chart Paper.Chart Paper Replaced (← links)
- 05000339/LER-1989-004-02, :on 890502,unexpected Automatic Reactor Trip Signal Generated During Performance of ICP-FW-2-F-2486. Caused by Procedure Inadequacy.Instrument Dept Procedures Will Be Reviewed & Revised (← links)
- 05000327/LER-1989-025, :on 890815,all Four Emergency Diesel Generators Declared Inoperable Because Fuel Oil Not Sampled.Caused by Inadequate Procedure Due to Chemistry Personnel Omission. Samples Obtained & Analyzed (← links)
- 05000461/LER-1989-013, :on 890302,all intermediate-range Channels Declared Inoperable Because Weekly Channel Functional Surveillance Could Not Be Performed Due to Plant Conditions. Caused by Personnel Error.Personnel Counseled (← links)
- 05000298/LER-1989-024, :on 890731,crack in Diesel Generator Injection Pump Pedestal Found During Surveillance Testing.Caused by Unusual Hydraulic Forces Created by Lube Oil Trapped in Pedestal.Tubing Inserted in Bearing Oil Port (← links)
- 05000298/LER-1989-021, :on 890602,undocumented Wiring Configurations Associated w/safety-related Equipment Discovered During Implementation of Design Change 87-190.Caused by Existence of Unexpected GE Supplied Subj Configurations (← links)
- 05000425/LER-1989-024, :on 890726,failure of Pressure Channel Circuit Card Caused Reactor Trip.Caused by Failure of Operational Amplifier in non-isolated Section of Process Card.Defective NLP2 Card Replaced (← links)
- 05000312/LER-1989-004, :on 890328,plant Main Feedwater Pumps (MFP) Experienced Speed Control Problems.Because of MFP Controller Problems,Integrated Control Sys Response Caused post-trip. Test Program Established to Monitor Pump (← links)
- 05000293/LER-1997-025, :on 971123,completion of Required Shutdown Was Noted Due to Two Inoperable Msivs.Cause of Failure of Vessel Flange Thermocouples Could Not Be Conclusively Determined. Rv Flange Thermocouples Will Be Restored (← links)
- 05000482/LER-1997-010, :on 970904,deficient Surveillance Tests Were Identified During GL 96-01 Reviews.Caused by Inadequate or Incomplete Procedures.Revised Procedures & Relay Contacts Were Successfully Tested (← links)
- 05000382/LER-1998-011, :on 980603,TS 3.0.3 Entry Was Noted.Caused by Component Cooling Water Makeup Check Valve Failing Ist. Operability of a Train of CCW Was Restored Immediately & Check Valve Internals Were Replaced (← links)
- 05000368/LER-1989-002, :on 890109,discovered That Tech Spec Required 14-day Periodic Surveillance Test for Svc Water Flow Rate to Containment Cooling Units Not Performed.Caused by Personnel Error.Personnel Counseled (← links)
- 05000424/LER-1999-003-02, :on 990922,CR Door Painting Resulted in Loss of Positive Pressure Boundary.Caused by Inadequate pre-job Briefing.Doors Were Closed Upon Discovery by CR Personnel. with (← links)
- 05000413/LER-1987-019, :on 870501,two Work Requests Were Discovered Failing to Specify Retest Requirements.Caused by Personnel Failure to Specify Retest Requirements on Implementation Plan.Incident Reviewed W/Appropriate Personnel (← links)
- 05000315/LER-1986-018-01, :on 860802,reactor Trip Occurred from Steam Generator Flow Mismatch Coinciding W/Low Steam Generator Level.Caused by Increased Turbine Load.Personnel Counseled (← links)
- 05000443/LER-1987-003, :on 870202,failure to Perform Surveillance Test on Source Range Nuclear Instrumentation within Specified Interval Discovered.Caused by Personnel Error.Procedure for Surveillance Test Scheduling Being Revised (← links)
- 05000317/LER-1987-003, :on 870127,reactor Tripped Due to Decreasing Steam Generator Levels.Caused by Loss of Instrument Air Pressure.Pressure Restored.Engineering Analysis to Increase Reliability of Air Sys Performed (← links)
- 05000338/LER-1987-001-01, :on 870127,7-day Period Allowed for Fire Pump to Be Out of Svc Exceeded.Caused by Inclement Weather & Further Repair Efforts.Pump Returned to Svc on 870213.W/ (← links)
- 05000416/LER-1987-001, :on 870108,chemistry Section Personnel Determined Hydrogen Samples Taken from Condenser Offgas Pretreatment Sample Station Not Representative of Main Condenser Offgas Due to Failed Solenoid Valve (← links)
- 05000382/LER-1999-006-01, :on 990614,plant Experienced Automatic Reactor Trip Following Loss of 7kV Bus.Caused by Spurious Actuation of Relay on Either RCP 1A or 2A.Personnel Performed Final Switchgear Walkdown with Indications Normal.With (← links)
- 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 (← links)
- 05000409/LER-1986-021, :on 860716,reactor Scram Occurred.Caused by Static Inverter 1A Transferring Alternate Source & Momentarily Deengergizing Scram Trains.Inverter Will Be Replaced Prior to Plant Startup (← links)
- 05000414/LER-1986-028-01, :on 860627,safety Injection Actuated on Low Pressurizer & Main Steam Line Pressure.Pressure Decreased Due to Inadvertent Opening of Porvs.Caused by Procedure Deficiency.Procedure Revised (← links)
- 05000266/LER-1997-042, :on 971030,discovered That Upper Containment Personnel Air Interlock Had Been Inoperable.Caused by Removal of Remote Operating Gear.Reinstalled Remote Operating Connector Gear (← links)
- 05000259/LER-1985-057, :on 851009,determined That wide-range Torus Water Level Transmitters Not Qualified.Cause Unstated. Replacement of Existing wide-range Monitors Planned for Current Unit Outages (← links)
- 05000327/LER-1997-008, :on 970322,noted Failure to Properly Perform Surveillance Testing of Containment Air Return Fan Start, Blackout & Auto Sequencing of Station Fire Pumps & Three Functions of Ssps Due to Inadequate Si.Revised Procedures (← links)
- 05000289/LER-1998-012, :on 980828,discovered That Control Bldg Ventilation Damper AH-D-270 Had Been Opened Approx 50% for as Long as 54 Days.Caused by Lack of Controls for Subject Damper.Immediately Closed & Tagged Damper AH-D-270 (← links)
- 05000302/LER-1997-017, :on 970621,inadequate Electrical Separation of High Pressure Flow Indicators Was Noted.Caused by Personnel Error.Insp of Immediately Accessible Areas in Main Control Board Conducted (← links)
- 05000395/LER-1997-002, :on 970426,turbine Trip & Feedwater Isolation Occurred.Caused by Hi-Hi Level in Steam Generator C Signal. Verified Sys Integrity & Proper Plant Response & Initiated Plant Restart (← links)
- 05000382/LER-1997-015, :on 970418,ultimate Heat Sink Did Not Incorporate Conservative Assumptions.Caused by Design Errors Associated W/Original Design of Ultimate Heat Sink. Operability Evaluation Completed on 970404 (← links)
- 05000269/LER-1986-004-02, :on 860312,Nuclear Instrumentation Channel NI-1 Discovered Not Operating While Eight Fuel Assemblies Inserted Into Core.Caused by Failure to Maintain Full Requirements of Refueling Procedure (← links)
- 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 (← links)
- 05000213/LER-1985-028, :on 851110 & 21,during Coastdown,High Steam Flow (Hsf) Reactor Trips Occurred Due to Automatic Reactor Protection Sys Initiation.Caused by Communication Between Hsf Channels 1,2 & 4.Loop 3 Solenoids Replaced (← links)
- 05000327/LER-1985-041-01, :on 851014,inadvertent Start of Diesel Generator Occurred.Caused by Dislodged Fuse.Diesel Generator Shut Down.Caution Placed in Standby Power Checklist (← links)
- 05000323/LER-1985-021-01, :on 851204,spurious Safety Injection Occurred. Caused by Safety Injection Signal Received on Train a of Solid State Protection Sys While Preparing to Investigate 851202 Event.No Corrective Action Required (← links)
- 05000416/LER-1996-004, :on 960606,manual Reactor Scram Occurred Due to Spurious Multiple SRV Lifts.Trip Unit 1C11N655B Was Shipped to Manufacturer for Failure Analysis (← links)
- 05000213/LER-1985-020, :on 850803,ladder Left Unattended W/O Restricting Access During Permanent Ladder Installation to High Radiation Area.Caused by Miscommunication to Maint Staff.Locked Gate Installed at Ladder Base (← links)
- 05000409/LER-1985-014, :on 850725,partial Reactor Scram Occurred,Hpcs Pumps & Emergency Diesel Generators Started & Containment Bldg Isolated.Caused by Ground in Gas Pressure Scram Circuit.Ground Located & Wire Repaired (← links)
- 05000395/LER-1996-007, :on 960730,determined That Itt Barton Model 763 Pressure Transmitters Safety Hazard After Previous Failures. Caused by Loose Strain Gauge Lead.Devices Returned for Analytical Testing.Also Reportable Per Part 21 (← links)
- 05000213/LER-1985-009-01, :on 850910,one Auxiliary Feedwater solenoid- Operated Valve Failed to Change State Upon Deenergization. Caused by Stuck Valve NP-8320A-185E.Periodic Cycling Will Be Performed Until Problem Resolved (← links)
- 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 (← links)
- 05000382/LER-1985-030, :on 850630,ESF Portion of Control Room Ventilation Sys Actuated Due to Electrical Spike in Control Room Air Intake Radiation Monitors.Caused by Portable Radio Transmitters Used Near Radiation Monitors (← links)
- 05000409/LER-1985-010, :on 850424,degraded Fire Barrier Penetration Discovered.Caused by Improper Installation.Barriers Repaired.Caution Sign Posted Near Electrical Penetrations in Fire Barriers Protecting safety-related Areas (← links)
- 05000445/LER-1996-007, :on 960809,automatic Reactor Trip Occurred Due to Lightning Strike.Bypass Mod to RPS ESF Channels Initiated (← links)
- 05000277/LER-1996-004-01, :on 960417,HPCI Sys Declared Inoperable Due to Leak in Cooling Water Relief Valve.Caused by Igscc.Hpci Cooling Water Relief Valve Was Replaced.W/Undated Ltr (← links)
- 05000352/LER-1996-016, :on 960725,core Thermal Power Exceeded Licensed Power Limit During Power Transient.Caused by Defective EHC Sys Component & Reactor Scram.Defective Primary Frequency/ Voltage Converter Replaced & Calibration Performed (← links)