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| 05000311/LER-1981-001, Forwards LER 81-001/03L-0 | Forwards LER 81-001/03L-0 | |
| 05000272/LER-1981-001, Forwards LER 81-001/03L-0 | Forwards LER 81-001/03L-0 | |
| 05000272/LER-1981-001-03, /03L-0:on 810105,axial Flux Difference in Two Channels Drifted Out of Required Band.Caused by Operator Error.Reactor Power Level Reduced & Axial Flux Differences Returned to Values within Required Range | /03L-0:on 810105,axial Flux Difference in Two Channels Drifted Out of Required Band.Caused by Operator Error.Reactor Power Level Reduced & Axial Flux Differences Returned to Values within Required Range | |
| 05000311/LER-1981-001-03, /03L-0:on 810104,during Cold Shutdown,Diesel Unit Trip Relay on Diesel Generator 2A Tripped.Cause Undetermined.Relay Reset.Diesel Generator Determined Operable After Satisfactory Completion of Tests | /03L-0:on 810104,during Cold Shutdown,Diesel Unit Trip Relay on Diesel Generator 2A Tripped.Cause Undetermined.Relay Reset.Diesel Generator Determined Operable After Satisfactory Completion of Tests | |
| 05000311/LER-1981-002, Forwards LER 81-002/03L-0.Detailed Event Analysis Encl | Forwards LER 81-002/03L-0.Detailed Event Analysis Encl | |
| 05000311/LER-1981-002-03, /03L-0:on 810117,during Routine Surveillance Test, 2A Diesel Generator Failed to Accelerate to 875 Rpm within 10-s.Caused by Failure of Solenoid Pilot Valves 21DA23A & 22DA23B.Valves Replaced | /03L-0:on 810117,during Routine Surveillance Test, 2A Diesel Generator Failed to Accelerate to 875 Rpm within 10-s.Caused by Failure of Solenoid Pilot Valves 21DA23A & 22DA23B.Valves Replaced | |
| 05000272/LER-1981-002-03, /03L-0:on 810108,during Normal Operations, Indication in Control Room of Svc Water Flow to Fan Coil Unit 14 Was Lost.Caused by Portable Propane Heaters Running Out of Fuel Resulting in Instrument Lines Freezing | /03L-0:on 810108,during Normal Operations, Indication in Control Room of Svc Water Flow to Fan Coil Unit 14 Was Lost.Caused by Portable Propane Heaters Running Out of Fuel Resulting in Instrument Lines Freezing | |
| 05000272/LER-1981-002, Forwards LER 81-002/03L-0 | Forwards LER 81-002/03L-0 | |
| 05000311/LER-1981-003, Forwards LER 81-003/03L-0.Detailed Event Analysis Encl | Forwards LER 81-003/03L-0.Detailed Event Analysis Encl | |
| 05000311/LER-1981-003-03, Liquid Waste from Waste Monitor Tank 22 Was Released W/O Authorization.Caused by Operator Neglecting to Take Release Form to Lab for Approval.Supervisor & Operator Counseled | Liquid Waste from Waste Monitor Tank 22 Was Released W/O Authorization.Caused by Operator Neglecting to Take Release Form to Lab for Approval.Supervisor & Operator Counseled | |
| 05000272/LER-1981-003, Forwards LER 81-003/03L-0 | Forwards LER 81-003/03L-0 | |
| 05000272/LER-1981-003-03, /03L-0:on 810109,component Cooling Water Heat Exchanger 12 Removed from Svc.Caused by Repair of Leaking Pipe Nipple at Weld Connecting Svc Water Drain Valve 12SW124 W/Heat Exchanger Tube Sheet.Nipple Replaced & Weld Reworked | /03L-0:on 810109,component Cooling Water Heat Exchanger 12 Removed from Svc.Caused by Repair of Leaking Pipe Nipple at Weld Connecting Svc Water Drain Valve 12SW124 W/Heat Exchanger Tube Sheet.Nipple Replaced & Weld Reworked | |
| 05000311/LER-1981-004-04, /04T-0:on 810407,containment Fan Cooling Unit 24 Found Leaking Svc Water.Caused by Vent Valve 24SW63 Not Fully Closed.Valve Closed | /04T-0:on 810407,containment Fan Cooling Unit 24 Found Leaking Svc Water.Caused by Vent Valve 24SW63 Not Fully Closed.Valve Closed | |
| 05000311/LER-1981-004, Forwards LER 81-004/04T-0.Detailed Event Analysis Encl | Forwards LER 81-004/04T-0.Detailed Event Analysis Encl | |
| 05000272/LER-1981-004, Forwards LER 81-004/03L-0 | Forwards LER 81-004/03L-0 | |
| 05000272/LER-1981-004-03, /03L-0:on 810119,during Daily Surveillance Test on Control Room Emergency Air Conditioning Sys Isolation Dampers,Damper 1CAA3 Failed to Close.Caused by Ice Formation on Louvers.Ice Melted & Damper Returned to Svc | /03L-0:on 810119,during Daily Surveillance Test on Control Room Emergency Air Conditioning Sys Isolation Dampers,Damper 1CAA3 Failed to Close.Caused by Ice Formation on Louvers.Ice Melted & Damper Returned to Svc | |
| 05000311/LER-1981-005-03, /03L-0:on 810413,all Reactor Coolant & Residual Heat Removal Pumps Were de-energized Longer than Time Allowed by Tech Specs.Caused by Replacement of Relief Valve 2RH3 in Residual Heat Removal Sys | /03L-0:on 810413,all Reactor Coolant & Residual Heat Removal Pumps Were de-energized Longer than Time Allowed by Tech Specs.Caused by Replacement of Relief Valve 2RH3 in Residual Heat Removal Sys | |
| 05000311/LER-1981-005, Forwards LER 81-005/03L-0.Detailed Event Analysis Encl | Forwards LER 81-005/03L-0.Detailed Event Analysis Encl | |
| 05000272/LER-1981-005-03, /03L-0:on 810128,during Routine Functional Test on Reactor Protection Sys,Safety Injection Signal Failed.Caused by Comparator Unit (Hagan Model 4111082-001) Failure. Defective Module Replaced | /03L-0:on 810128,during Routine Functional Test on Reactor Protection Sys,Safety Injection Signal Failed.Caused by Comparator Unit (Hagan Model 4111082-001) Failure. Defective Module Replaced | |
| 05000272/LER-1981-005, Forwards LER 81-005/03L-0 | Forwards LER 81-005/03L-0 | |
| 05000311/LER-1981-006, Forwards LER 81-006/03L-0.Detailed Event Analysis Encl | Forwards LER 81-006/03L-0.Detailed Event Analysis Encl | |
| 05000311/LER-1981-006-03, /03L-0:on 810419,valve 2PR1 Found Leaking.Caused by Seizing & Galling of Valve Stem & Gauge.Stem & Gauge Replaced.Channel Tested Satisfactorily & Returned to Svc 810504 | /03L-0:on 810419,valve 2PR1 Found Leaking.Caused by Seizing & Galling of Valve Stem & Gauge.Stem & Gauge Replaced.Channel Tested Satisfactorily & Returned to Svc 810504 | |
| 05000272/LER-1981-006, Forwards LER 81-006/03L-0 | Forwards LER 81-006/03L-0 | |
| 05000272/LER-1981-006-03, /03L-0:on 810115,no Audible Fire Alarm Would Sound.Caused by Current Impedance Mismatch Between Tone Generator of Fire Alarm Sys & Remainder of Sys Due to Overload.Generator Amplifier Adjusted | /03L-0:on 810115,no Audible Fire Alarm Would Sound.Caused by Current Impedance Mismatch Between Tone Generator of Fire Alarm Sys & Remainder of Sys Due to Overload.Generator Amplifier Adjusted | |
| 05000272/LER-1981-007-03, /03X-2:on 800128,during Review of Sys Diagrams, Demineralized Water Supply Check Valve to Auxiliary Feedwater Storage Tank 1DR7 Found to Be Not Seismically Qualified.Caused by Design Deficiency.Valve Qualified | /03X-2:on 800128,during Review of Sys Diagrams, Demineralized Water Supply Check Valve to Auxiliary Feedwater Storage Tank 1DR7 Found to Be Not Seismically Qualified.Caused by Design Deficiency.Valve Qualified | |
| 05000311/LER-1981-007, Forwards LER 81-007/03L-0.Detailed Event Analysis Encl | Forwards LER 81-007/03L-0.Detailed Event Analysis Encl | |
| 05000272/LER-1981-007, Forwards LER 81-007/01X-1.Detailed Event Analysis Encl | Forwards LER 81-007/01X-1.Detailed Event Analysis Encl | |
| 05000272/LER-1981-007-01, /01X-1:on 810119,throttling Valves 14SJ16,11SJ138, 12SJ138 & 13SJ138 Found Out of Position.Caused by Procedure Inadequacy & Personnel Error.Valves Moved to Correct Positions & Procedures Changed | /01X-1:on 810119,throttling Valves 14SJ16,11SJ138, 12SJ138 & 13SJ138 Found Out of Position.Caused by Procedure Inadequacy & Personnel Error.Valves Moved to Correct Positions & Procedures Changed | |
| 05000311/LER-1981-007-03, /03L-0:on 810423,while Attempting to Start Auxiliary Feedwater Pump 22,relay Flags for Phases a & C on Breaker 2B1D Found Dropped.Caused by Drifting of Wipe on Trip Latch.Wipe of Trip Latch Reset | /03L-0:on 810423,while Attempting to Start Auxiliary Feedwater Pump 22,relay Flags for Phases a & C on Breaker 2B1D Found Dropped.Caused by Drifting of Wipe on Trip Latch.Wipe of Trip Latch Reset | |
| 05000272/LER-1981-008, Forwards LER 81-008/03L-0 | Forwards LER 81-008/03L-0 | |
| 05000272/LER-1981-008-03, /03L-0:on 810124,carriage Guide Wire of Auxiliary Annunciator Typewriter Broke,Resulting in Loss of Containment Sump Level Monitoring Sys.Caused by Equipment Failure.Broken Wire Replaced by Ibm Technician | /03L-0:on 810124,carriage Guide Wire of Auxiliary Annunciator Typewriter Broke,Resulting in Loss of Containment Sump Level Monitoring Sys.Caused by Equipment Failure.Broken Wire Replaced by Ibm Technician | |
| 05000311/LER-1981-009-03, /03L-0:on 810423,during Plant Cooldown,Inadvertent Safety Injection Occurred.Caused by Valve 24MS10 Opening, Causing Dilution of Boron Injection Tank to Below Min Limits.Situation Corrected within Allowed Limits | /03L-0:on 810423,during Plant Cooldown,Inadvertent Safety Injection Occurred.Caused by Valve 24MS10 Opening, Causing Dilution of Boron Injection Tank to Below Min Limits.Situation Corrected within Allowed Limits | |
| 05000272/LER-1981-009-01, /01X-2:on 810129,during Normal Operation, Containment Sump Pump Operation Indicated 4.3 Gpm of Unidentified Leakage.Caused by Magnetrol Level Indicator Operating Erratically | /01X-2:on 810129,during Normal Operation, Containment Sump Pump Operation Indicated 4.3 Gpm of Unidentified Leakage.Caused by Magnetrol Level Indicator Operating Erratically | |
| 05000272/LER-1981-009, Forwards LER 81-009/01X-2.Detailed Event Analysis Encl | Forwards LER 81-009/01X-2.Detailed Event Analysis Encl | |
| 05000311/LER-1981-009, Forwards LER 81-009/03L-0 | Forwards LER 81-009/03L-0 | |
| 05000311/LER-1981-010-03, /03L-0:on 810426,during Mode 3 Operations,Svc Water Pump 23 Declared Inoperable Due to Packing Leaks. Caused by Worn Main Shaft Packing.Packing Replaced | /03L-0:on 810426,during Mode 3 Operations,Svc Water Pump 23 Declared Inoperable Due to Packing Leaks. Caused by Worn Main Shaft Packing.Packing Replaced | |
| 05000311/LER-1981-010, Forwards LER 81-010/03L-0 | Forwards LER 81-010/03L-0 | |
| 05000272/LER-1981-010-03, /03L-0:on 810126,containment Fan Coil Unit 11 Declared Inoperable in Order to Replace Leaking Spool Piece in Svc Water Line.Due to Reactor Trip,Fan Coil Unit Had to Be Tested & Declared Operational | /03L-0:on 810126,containment Fan Coil Unit 11 Declared Inoperable in Order to Replace Leaking Spool Piece in Svc Water Line.Due to Reactor Trip,Fan Coil Unit Had to Be Tested & Declared Operational | |
| 05000272/LER-1981-010, Forwards LER 81-010/03L-0 | Forwards LER 81-010/03L-0 | |
| 05000311/LER-1981-011-03, /03L-0:on 810427,during Routine Entry Into Containment,Containment Airlock Outer Door Would Not Close. Caused by Out of Alignment Linkage & Subsequent Roller Bearing Damage.Linkage Realigned & Roller Bearings Replaced | /03L-0:on 810427,during Routine Entry Into Containment,Containment Airlock Outer Door Would Not Close. Caused by Out of Alignment Linkage & Subsequent Roller Bearing Damage.Linkage Realigned & Roller Bearings Replaced | |
| 05000311/LER-1981-011, Forwards LER 81-011/03L-0 | Forwards LER 81-011/03L-0 | |
| 05000272/LER-1981-011-03, /03L-0:on 810127,svc Water Line to Containment Fan Coil Unit 11 Found Leaking.Caused by Leaking Weld Connecting Spool Piece to Valve 11SW57.Weld Reworked & Spool Piece Replaced | /03L-0:on 810127,svc Water Line to Containment Fan Coil Unit 11 Found Leaking.Caused by Leaking Weld Connecting Spool Piece to Valve 11SW57.Weld Reworked & Spool Piece Replaced | |
| 05000272/LER-1981-011, Forwards LER 81-011/03L-0 | Forwards LER 81-011/03L-0 | |
| 05000272/LER-1981-012, Forwards LER 81-012/03L-0 | Forwards LER 81-012/03L-0 | |
| 05000272/LER-1981-012-03, /03L-0:on 810204,fire Pump 2 in Fire Suppression Water Sys Declared Inoperable for Maint on Leaking Inlet Cooling Water Line.Caused by Leaking Corrugated Stainless Steel Hose Connecting Common Cooling Water Piping | /03L-0:on 810204,fire Pump 2 in Fire Suppression Water Sys Declared Inoperable for Maint on Leaking Inlet Cooling Water Line.Caused by Leaking Corrugated Stainless Steel Hose Connecting Common Cooling Water Piping | |
| 05000311/LER-1981-012-03, /03L-0:on 810427,during Surveillance Procedure Sp(O) 4.6.1.3 on Containment Air Lock,Leak Rate Exceeded Tech Specs.Caused by Inability of Inner Door Seals to Maintain Test Pressure.Seals Replaced | /03L-0:on 810427,during Surveillance Procedure Sp(O) 4.6.1.3 on Containment Air Lock,Leak Rate Exceeded Tech Specs.Caused by Inability of Inner Door Seals to Maintain Test Pressure.Seals Replaced | |
| 05000311/LER-1981-012, Forwards LER 81-012/03L-0 | Forwards LER 81-012/03L-0 | |
| 05000311/LER-1981-013, Forwards LER 81-013/03L-0 | Forwards LER 81-013/03L-0 | |
| 05000311/LER-1981-013-03, /03L-0:on 810501,during Scheduled Type B & C Leakage Tests,Leak Rate Was Greater than Max Range of Volumetric Test Equipment.Caused by Use of Limited Range Equipment.Valves Adjusted & Airlock Door Seals Reworked | /03L-0:on 810501,during Scheduled Type B & C Leakage Tests,Leak Rate Was Greater than Max Range of Volumetric Test Equipment.Caused by Use of Limited Range Equipment.Valves Adjusted & Airlock Door Seals Reworked | |
| 05000272/LER-1981-013-03, /03L-0:on 810201,centrifugal Charging Pump 12 Declared Inoperable Due to Leak in Pump Oil Cooler.Oil Cooler Replaced | /03L-0:on 810201,centrifugal Charging Pump 12 Declared Inoperable Due to Leak in Pump Oil Cooler.Oil Cooler Replaced | |
