| | | Reporting criterion |
|---|
| 05000245/LER-1980-001-03, /03L-0:on 800103,runback of Recirculation Pump a Resulted in Pump Speed Mismatch Greater than 10%.Resulted in Possible Error in LPCI Loop Selection Logic.Caused by Electronic Saturation.Sys Mods Being Considered | /03L-0:on 800103,runback of Recirculation Pump a Resulted in Pump Speed Mismatch Greater than 10%.Resulted in Possible Error in LPCI Loop Selection Logic.Caused by Electronic Saturation.Sys Mods Being Considered | |
| 05000245/LER-1980-001, Forwards LER 80-001/03L-0 | Forwards LER 80-001/03L-0 | |
| 05000336/LER-1980-001, Forwards LER 80-001/03L-0 | Forwards LER 80-001/03L-0 | |
| 05000336/LER-1980-001-03, /03L-0:on 800118,during Routine Insurance Insp Testing W/Plant at 100% Power,Turbine Driven Auxiliary Feedwater Pump Became Inoperable Due to Failure of Turbine Inboard,Outboard & Thrust Bearings.Caused by Excessive Wear | /03L-0:on 800118,during Routine Insurance Insp Testing W/Plant at 100% Power,Turbine Driven Auxiliary Feedwater Pump Became Inoperable Due to Failure of Turbine Inboard,Outboard & Thrust Bearings.Caused by Excessive Wear | |
| 05000245/LER-1980-002, Forwards LER 80-002/01T-0 | Forwards LER 80-002/01T-0 | |
| 05000245/LER-1980-002-01, /01T-0:on 800131,discovered Error in Determination of Max Average Planar Linear Heat Generation Rates Based on ECCS Capabilities.Caused by Analysis Error Due to Previously Assumed ECCS Capability.Timer Set to 45-s & Limits R | /01T-0:on 800131,discovered Error in Determination of Max Average Planar Linear Heat Generation Rates Based on ECCS Capabilities.Caused by Analysis Error Due to Previously Assumed ECCS Capability.Timer Set to 45-s & Limits Reduced | |
| 05000336/LER-1980-002, Forwards LER 80-002/03L-0 | Forwards LER 80-002/03L-0 | |
| 05000336/LER-1980-002-03, /03L-0:on 800131,during Steady State Operation, Leakage Was Observed from Packing on High Pressure Safety Injection Valve.Caused by Worn Packing.Valve Repacked & Restored to Svc | /03L-0:on 800131,during Steady State Operation, Leakage Was Observed from Packing on High Pressure Safety Injection Valve.Caused by Worn Packing.Valve Repacked & Restored to Svc | |
| 05000245/LER-1980-003, Forwards LER 80-003/03L-0 & | Forwards LER 80-003/03L-0 & | |
| 05000245/LER-1980-003-03, /03L-0:on 800104,operation in Degraded Mode Permitted by Limiting Condition for Operation Occured When Isolation Condenser Was Removed from Svc.Insp Revealed That Supply Line Support May Not Meet Safety Factor Requirements | /03L-0:on 800104,operation in Degraded Mode Permitted by Limiting Condition for Operation Occured When Isolation Condenser Was Removed from Svc.Insp Revealed That Supply Line Support May Not Meet Safety Factor Requirements | |
| 05000336/LER-1980-003-03, /03L-0:on 800122,during Routine Power Operation, Containment Air Temp Found in Excess of 120F Limit.Caused by Adjustments to Svc Water Temp Control Valve for Reactor Bldg Closed Cooling Water Sys.Valve Readjusted | /03L-0:on 800122,during Routine Power Operation, Containment Air Temp Found in Excess of 120F Limit.Caused by Adjustments to Svc Water Temp Control Valve for Reactor Bldg Closed Cooling Water Sys.Valve Readjusted | |
| 05000336/LER-1980-003, Forwards LER 80-003/03L-0 | Forwards LER 80-003/03L-0 | |
| 05000336/LER-1980-004, Forwards LER 80-004/03L-0 | Forwards LER 80-004/03L-0 | |
| 05000336/LER-1980-004-03, /03L-0:on 800204,during Routine Surveillance, Reactor Protection Sys Channel B Trip Signal for RCP Underspeed Found Out of Specs.Caused by frequency-to-voltage Converter Being High & Unstable.Unit Replaced & Calibr | /03L-0:on 800204,during Routine Surveillance, Reactor Protection Sys Channel B Trip Signal for RCP Underspeed Found Out of Specs.Caused by frequency-to-voltage Converter Being High & Unstable.Unit Replaced & Calibr | |
| 05000245/LER-1980-004-03, /03L-0:on 800121,during Routine Surveillance, Setpoint of One Main Steam Line High Flow Switch Higher than Allowed.Caused by Setpoint Drift.Switch Adjusted & Tested.New Alignment Procedure Being Investigated | /03L-0:on 800121,during Routine Surveillance, Setpoint of One Main Steam Line High Flow Switch Higher than Allowed.Caused by Setpoint Drift.Switch Adjusted & Tested.New Alignment Procedure Being Investigated | |
| 05000245/LER-1980-004, Forwards LER 80-004/03L-0 | Forwards LER 80-004/03L-0 | |
| 05000336/LER-1980-005-01, /01T-0:on 800311,during Review of Safety Analysis, Discovered Incorrect Assumption Was Made in Analysis of Mode 5 Boron Dilution Event.Caused by Failure to Consider Operation W/Rcs Drained to Centerline of Hot Leg | /01T-0:on 800311,during Review of Safety Analysis, Discovered Incorrect Assumption Was Made in Analysis of Mode 5 Boron Dilution Event.Caused by Failure to Consider Operation W/Rcs Drained to Centerline of Hot Leg | |
| 05000336/LER-1980-005, Forwards LER 80-005/01T-0 | Forwards LER 80-005/01T-0 | |
| 05000245/LER-1980-005-03, /03L-0:on 800220,one Core Spray Subsystem Was Declared Inoperable,Resulting in Operation in Degraded Mode. Caused by Water Hammer Damage Due to Seat Leakage from Core Spray Injection & Check Valves.Pipe Supports Repaired | /03L-0:on 800220,one Core Spray Subsystem Was Declared Inoperable,Resulting in Operation in Degraded Mode. Caused by Water Hammer Damage Due to Seat Leakage from Core Spray Injection & Check Valves.Pipe Supports Repaired | |
| 05000245/LER-1980-005, Forwards LER 80-005/03L-0 | Forwards LER 80-005/03L-0 | |
| 05000336/LER-1980-006, Forwards LER 80-006/03L-0 | Forwards LER 80-006/03L-0 | |
| 05000336/LER-1980-006-03, /03L-0:on 800310,w/charging Pump B Inoperable for Replacement,Charging Pump C Placed Out of Svc to Replace Failed Pump Packing.Caused by Natural end-of-life of Packing Due to Wear.Pump Packing Replaced | /03L-0:on 800310,w/charging Pump B Inoperable for Replacement,Charging Pump C Placed Out of Svc to Replace Failed Pump Packing.Caused by Natural end-of-life of Packing Due to Wear.Pump Packing Replaced | |
| 05000245/LER-1980-006-03, /03L-0:on 800407,during Normal Operation,Pressure Indicating Switch That Senses Drywell Pressure for Automatic Pressure Relief Sys Logic Initiation,Found Isolated.Caused by Personnel Error.Switch Returned to Svc | /03L-0:on 800407,during Normal Operation,Pressure Indicating Switch That Senses Drywell Pressure for Automatic Pressure Relief Sys Logic Initiation,Found Isolated.Caused by Personnel Error.Switch Returned to Svc | |
| 05000245/LER-1980-006, Forwards LER 80-006/03L-0 | Forwards LER 80-006/03L-0 | |
| 05000336/LER-1980-007-03, /03L-0:on 800227,during Reactor Plant Startup, Condensate Storage Tank Level Fell Below Tech Spec Limit for Less than 30 Minutes.Caused by Excessive Water Demand from Blowdown & Regeneration Requirements | /03L-0:on 800227,during Reactor Plant Startup, Condensate Storage Tank Level Fell Below Tech Spec Limit for Less than 30 Minutes.Caused by Excessive Water Demand from Blowdown & Regeneration Requirements | |
| 05000336/LER-1980-007, Forwards LER 80-007/03L-0 | Forwards LER 80-007/03L-0 | |
| 05000245/LER-1980-007-03, /03L-0:on 800516,discovered That Semiannual Functional Test of Cable Vault Smoke Detection Sys Had Been Overlooked.Caused by Test Not Being Listed on Unit Surveillance Schedule.Verification of Schedules Performed | /03L-0:on 800516,discovered That Semiannual Functional Test of Cable Vault Smoke Detection Sys Had Been Overlooked.Caused by Test Not Being Listed on Unit Surveillance Schedule.Verification of Schedules Performed | |
| 05000245/LER-1980-007, Forwards LER 80-007/03L-0 | Forwards LER 80-007/03L-0 | |
| 05000336/LER-1980-008-03, /03L-0:on 800303,during Routine Operations,Plant Computer Analog Input Values Became Erratic Rendering Pulse Counting Position Indication Sys Inoperable.Caused by Faulty Analog Input Driver Card.Sys Restored | /03L-0:on 800303,during Routine Operations,Plant Computer Analog Input Values Became Erratic Rendering Pulse Counting Position Indication Sys Inoperable.Caused by Faulty Analog Input Driver Card.Sys Restored | |
| 05000336/LER-1980-008, Forwards LER 80-008/03L-0 | Forwards LER 80-008/03L-0 | |
| 05000245/LER-1980-008, Forwards LER 80-008/03L-0 | Forwards LER 80-008/03L-0 | |
| 05000245/LER-1980-008-03, /03L-0:on 800605,during Routine Surveillances, Found Pressures Switches 263-52C & 263-54A Tripped Outside Allowable Tech Spec.Caused by Setpoint Drift.Pressure Switches Reset to Required Setpoints | /03L-0:on 800605,during Routine Surveillances, Found Pressures Switches 263-52C & 263-54A Tripped Outside Allowable Tech Spec.Caused by Setpoint Drift.Pressure Switches Reset to Required Setpoints | |
| 05000245/LER-1980-009, Forwards LER 80-009/03L-0 | Forwards LER 80-009/03L-0 | |
| 05000245/LER-1980-009-03, /03L-0:on 800605,during Routine Surveillance,Found Pressure Switch 263-55C Tripped Outside Allowable Setpoint. Caused by Setpoint Drift.Pressure Switch Reset to Required Setpoint | /03L-0:on 800605,during Routine Surveillance,Found Pressure Switch 263-55C Tripped Outside Allowable Setpoint. Caused by Setpoint Drift.Pressure Switch Reset to Required Setpoint | |
| 05000336/LER-1980-009-03, /03L-0:on 800321,following Plant Trip from 100% Power,A Auxiliary Feed Pump Was Found Leaking Excessively from Gland Packing.Caused by Natural End of Life for Pump Packing.Pump Repacked | /03L-0:on 800321,following Plant Trip from 100% Power,A Auxiliary Feed Pump Was Found Leaking Excessively from Gland Packing.Caused by Natural End of Life for Pump Packing.Pump Repacked | |
| 05000336/LER-1980-009, Forwards LER 80-009/03L-0 | Forwards LER 80-009/03L-0 | |
| 05000245/LER-1980-010, Forwards LER 80-010/03L-0 | Forwards LER 80-010/03L-0 | |
| 05000245/LER-1980-010-03, /03L-0:on 800613,during Testing of Penetration Anchor X-45 Base Plate Bolts,One Bolt Broke & Others Found Improperly Installed.Cause Not Stated.Bolts Removed & Replaced | /03L-0:on 800613,during Testing of Penetration Anchor X-45 Base Plate Bolts,One Bolt Broke & Others Found Improperly Installed.Cause Not Stated.Bolts Removed & Replaced | |
| 05000336/LER-1980-010, Forwards LER 80-010/03L-0 | Forwards LER 80-010/03L-0 | |
| 05000336/LER-1980-010-03, /03L-0:on 800310,during Surveillance,Control Element Assembly Exhibited Erratic Position Indication & Was Declared Inoperable.Caused by Intermittent Open Conductor in Cable or Connector from Reed Switch | /03L-0:on 800310,during Surveillance,Control Element Assembly Exhibited Erratic Position Indication & Was Declared Inoperable.Caused by Intermittent Open Conductor in Cable or Connector from Reed Switch | |
| 05000245/LER-1980-011-01, /01T-0:on 800803,both Air Ejector Offgas Sys Radiation Monitors Found Inoperable.Caused by Sample Line Manual Stop Valve Being Closed.Valve Did Not Appear on Sys Valve Lineup List.Valve Added to List | /01T-0:on 800803,both Air Ejector Offgas Sys Radiation Monitors Found Inoperable.Caused by Sample Line Manual Stop Valve Being Closed.Valve Did Not Appear on Sys Valve Lineup List.Valve Added to List | |
| 05000245/LER-1980-011, Forwards LER 80-011/01T-0 | Forwards LER 80-011/01T-0 | |
| 05000336/LER-1980-011-03, /03L-0:on 800313,following Full Power Plant Trip, Two Broken Saddle Clamp Bolts Were Found on Hydraulic Snubber Hanger 490008 on Ms Lead to HP Turbine.Caused by Fatigue Cracking Due to High Vibration & Shear on Trips | /03L-0:on 800313,following Full Power Plant Trip, Two Broken Saddle Clamp Bolts Were Found on Hydraulic Snubber Hanger 490008 on Ms Lead to HP Turbine.Caused by Fatigue Cracking Due to High Vibration & Shear on Trips | |
| 05000336/LER-1980-011, Forwards LER 80-011/03L-0 | Forwards LER 80-011/03L-0 | |
| 05000336/LER-1980-012-03, During Power Operation, Hydraulic Snubber on Hangar 490001 Found W/No Visible Fluid Level.Caused by Seal Deterioration.Snubber Replaced | During Power Operation, Hydraulic Snubber on Hangar 490001 Found W/No Visible Fluid Level.Caused by Seal Deterioration.Snubber Replaced | |
| 05000336/LER-1980-012, Forwards Updated LER 80-012/03X-1 | Forwards Updated LER 80-012/03X-1 | |
| 05000245/LER-1980-012, Forwards LER 80-012/03L-0 | Forwards LER 80-012/03L-0 | |
| 05000245/LER-1980-012-03, /03L-0:on 800725,while Performing Routine Surveillance,Average Power Range Monitor (APRM) Channel 5 Was Reading 10% Below Tech Spec.Cause Unstated.Aprm Adjusted to Proper Value & Observed to Insure Stable Reading | /03L-0:on 800725,while Performing Routine Surveillance,Average Power Range Monitor (APRM) Channel 5 Was Reading 10% Below Tech Spec.Cause Unstated.Aprm Adjusted to Proper Value & Observed to Insure Stable Reading | |
| 05000336/LER-1980-013, Forwards LER 80-013/03L-0 | Forwards LER 80-013/03L-0 | |
| 05000245/LER-1980-013-03, /03L-0:on 800905,during Drywell High Pressure Scram & Containment Isolation Functional & Calibr Test, Pressure Switch 2206-1621B Tripped Outside Allowable Band. Caused by Setpoint Drift.Switch Tested & Returned to Svc | /03L-0:on 800905,during Drywell High Pressure Scram & Containment Isolation Functional & Calibr Test, Pressure Switch 2206-1621B Tripped Outside Allowable Band. Caused by Setpoint Drift.Switch Tested & Returned to Svc | |