05000327/LER-1981-001-03, /03L-0:on 810102,condensate Storage Tank Level Channel 0-L-2-230 Declared Inoperable When Control Room Indicator Failed Low.Caused by Disconnected Instrument Sense Line Due to Improperly Tightened Compression Fitting | /03L-0:on 810102,condensate Storage Tank Level Channel 0-L-2-230 Declared Inoperable When Control Room Indicator Failed Low.Caused by Disconnected Instrument Sense Line Due to Improperly Tightened Compression Fitting | |
05000327/LER-1981-001, Forwards LER 81-001/03L-0 | Forwards LER 81-001/03L-0 | |
05000327/LER-1981-002-03, /03L-0:on 810109,two Intermediate Deck Doors in Ice Condenser Found Frozen Closed.Caused by Water Leaking from AHU-3A Defrost Drain Line Flange Due to Loose Flange Bolts.Bolts Retightened | /03L-0:on 810109,two Intermediate Deck Doors in Ice Condenser Found Frozen Closed.Caused by Water Leaking from AHU-3A Defrost Drain Line Flange Due to Loose Flange Bolts.Bolts Retightened | |
05000327/LER-1981-002, Forwards LER 81-002/03L-0 | Forwards LER 81-002/03L-0 | |
05000327/LER-1981-003, Forwards LER 81-003/03L-0 | Forwards LER 81-003/03L-0 | |
05000327/LER-1981-003-03, /03L-0:on 810105,main Feedwater Flow Channel F-3-35B Failed Low.On 810112 Feedwater Channel F-3-35B & F-3-90B Failed.Caused by Freezing of Inadequately Protected Instrument Sense Lines.Lines Thawed | /03L-0:on 810105,main Feedwater Flow Channel F-3-35B Failed Low.On 810112 Feedwater Channel F-3-35B & F-3-90B Failed.Caused by Freezing of Inadequately Protected Instrument Sense Lines.Lines Thawed | |
05000327/LER-1981-004, Forwards LER 81-004/03L-0 | Forwards LER 81-004/03L-0 | |
05000327/LER-1981-004-03, /03L-0:on 810112,RWST Instrument Channel L-63-54 Failed.Caused by Sense Lines Freezing Due to Insufficient Insulation Around Lines & on Sides of Cabinet Housing Level Transmitter.Heaters in Use Until Insulation Can Be Added | /03L-0:on 810112,RWST Instrument Channel L-63-54 Failed.Caused by Sense Lines Freezing Due to Insufficient Insulation Around Lines & on Sides of Cabinet Housing Level Transmitter.Heaters in Use Until Insulation Can Be Added | |
05000327/LER-1981-005-03, /03L-0:on 810114,capacitor C1A in A10 Power Supply & Control Card RB-8 Failed While in Svc.Caused by Failure of Vital Inverter 2-II.Components Replaced & Inverter Returned to Svc on 810114 | /03L-0:on 810114,capacitor C1A in A10 Power Supply & Control Card RB-8 Failed While in Svc.Caused by Failure of Vital Inverter 2-II.Components Replaced & Inverter Returned to Svc on 810114 | |
05000327/LER-1981-005, Forwards LER 81-005/03L-0 | Forwards LER 81-005/03L-0 | |
05000327/LER-1981-006-03, /03L-0:on 810114,stroke Test Not Performed Following 800929 Repair of Leaking Valve 1-FCV-63-38.Caused by Inadequate Procedure.Procedure Being Revised | /03L-0:on 810114,stroke Test Not Performed Following 800929 Repair of Leaking Valve 1-FCV-63-38.Caused by Inadequate Procedure.Procedure Being Revised | |
05000327/LER-1981-006, Forwards LER 81-006/03L-0 | Forwards LER 81-006/03L-0 | |
05000327/LER-1981-007-03, /03L-0:on 810116,level Channel for Steam Generator 3 (L-3-97) Declared Inoperable.Caused by Failure of Trip Bistable 1-LS-3-97F to de-energize.Module Replaced,Calibr & Returned to Svc | /03L-0:on 810116,level Channel for Steam Generator 3 (L-3-97) Declared Inoperable.Caused by Failure of Trip Bistable 1-LS-3-97F to de-energize.Module Replaced,Calibr & Returned to Svc | |
05000327/LER-1981-007, Forwards LER 81-007/03L-0 | Forwards LER 81-007/03L-0 | |
05000327/LER-1981-008, Forwards LER 81-008/03L-0 | Forwards LER 81-008/03L-0 | |
05000327/LER-1981-008-03, /03L-0:on 810116,three Intermediate Deck Doors to Ice Condenser,Under Air Handling Units 6A,8A & 8B,found Frozen Closed.Caused by Frozen Water in Drain Lines Due to Fuse Failure in Heat Tape Controller.Ice Removed | /03L-0:on 810116,three Intermediate Deck Doors to Ice Condenser,Under Air Handling Units 6A,8A & 8B,found Frozen Closed.Caused by Frozen Water in Drain Lines Due to Fuse Failure in Heat Tape Controller.Ice Removed | |
05000327/LER-1981-009-03, /03L-0:on 810127,containment Sump Level Loop L-63-177 Declared Inoperable.Caused by Calibr Drift Due to Problem W/Level Transmitter.Transmitter Replaced | /03L-0:on 810127,containment Sump Level Loop L-63-177 Declared Inoperable.Caused by Calibr Drift Due to Problem W/Level Transmitter.Transmitter Replaced | |
05000327/LER-1981-009, Forwards LER 81-009/03L-0 | Forwards LER 81-009/03L-0 | |
05000327/LER-1981-010-03, /03L-0:on 810128,notification Received That During Ieb 79-14 review,180-1b (Light) Weight Discrepancy Discovered,Altering Support Design Requirements.Caused by Incorrect Weights Being Used in Computer Analysis | /03L-0:on 810128,notification Received That During Ieb 79-14 review,180-1b (Light) Weight Discrepancy Discovered,Altering Support Design Requirements.Caused by Incorrect Weights Being Used in Computer Analysis | |
05000327/LER-1981-010, Forwards LER 81-010/03L-0 | Forwards LER 81-010/03L-0 | |
05000327/LER-1981-011-03, /03L-0:on 810130,vital Inverter & Vital Instrument Power Board 1-I Declared Inoperative.Caused by Severance of Conduit & Cable B30I Supplying Power to Inverter.Cable & Conduit Replaced | /03L-0:on 810130,vital Inverter & Vital Instrument Power Board 1-I Declared Inoperative.Caused by Severance of Conduit & Cable B30I Supplying Power to Inverter.Cable & Conduit Replaced | |
05000327/LER-1981-011, Forwards LER 81-011/03L-0 | Forwards LER 81-011/03L-0 | |
05000327/LER-1981-012-03, /03L-0:on 810126,RCS Tave Decreased Below Limits. Caused by Operator Failure to Coordinate Turbine Loading Rate.Turbine Load Reduced & RCS Tave Increased | /03L-0:on 810126,RCS Tave Decreased Below Limits. Caused by Operator Failure to Coordinate Turbine Loading Rate.Turbine Load Reduced & RCS Tave Increased | |
05000327/LER-1981-012, Forwards LER 81-012/03L-0 | Forwards LER 81-012/03L-0 | |
05000327/LER-1981-013-03, /03L-0:on 810203,liquid Radwaste Monitor, 0-RE-90-122,declared Inoperable.Caused by High Background Count Reading Due to Leak in Brooks Rotameter.Rotameter Seals Replaced,Sample Chamber Cleaned & Monitor Flushed Out | /03L-0:on 810203,liquid Radwaste Monitor, 0-RE-90-122,declared Inoperable.Caused by High Background Count Reading Due to Leak in Brooks Rotameter.Rotameter Seals Replaced,Sample Chamber Cleaned & Monitor Flushed Out | |
05000327/LER-1981-013, Forwards LER 81-013/03L-0 | Forwards LER 81-013/03L-0 | |
05000327/LER-1981-014-03, /03L-0:on 810123,testing Procedure SI-158 for Containment Isolation Valves 1-FCV-62-72,73 & 74 Was Determined to Be Inadequate.Caused by Failure to Take Into Account back-pressure in Line.Procedure Changed | /03L-0:on 810123,testing Procedure SI-158 for Containment Isolation Valves 1-FCV-62-72,73 & 74 Was Determined to Be Inadequate.Caused by Failure to Take Into Account back-pressure in Line.Procedure Changed | |
05000327/LER-1981-014, Forwards LER 81-014/03L-0 | Forwards LER 81-014/03L-0 | |
05000327/LER-1981-015-03, /03L-0:on 810216,during Surveillance Testing,Ice Condenser Basket Bays 1,18 & 24 Were Found Below Limits for Average Basket Weight.Caused by Sublimation.Ice Added Throughout Ice Condenser | /03L-0:on 810216,during Surveillance Testing,Ice Condenser Basket Bays 1,18 & 24 Were Found Below Limits for Average Basket Weight.Caused by Sublimation.Ice Added Throughout Ice Condenser | |
05000327/LER-1981-015, Forwards LER 81-015/03L-0 | Forwards LER 81-015/03L-0 | |
05000327/LER-1981-016-03, /03L-0:on 810206,diesel Generator 2B-B Breaker Tripped Twice While Attempting to Synchronize W/Tva Power Grid for Surveillance Test SI-7.Caused by Overcurrent During Paralleling Operation.Target Reset & Parallel Repeated | /03L-0:on 810206,diesel Generator 2B-B Breaker Tripped Twice While Attempting to Synchronize W/Tva Power Grid for Surveillance Test SI-7.Caused by Overcurrent During Paralleling Operation.Target Reset & Parallel Repeated | |
05000327/LER-1981-016, Forwards LER 81-016/03L-0 | Forwards LER 81-016/03L-0 | |
05000327/LER-1981-017-03, /03L-0:on 810212,welder Accidentally Blew Pin Hole in Pipe Sleeve,Releasing Low Level Activity Xe-133.Caused by Thin Wall Pipe & Restricted Access.Pin Hole Repaired | /03L-0:on 810212,welder Accidentally Blew Pin Hole in Pipe Sleeve,Releasing Low Level Activity Xe-133.Caused by Thin Wall Pipe & Restricted Access.Pin Hole Repaired | |
05000327/LER-1981-017, Forwards LER 81-017/03L-0 | Forwards LER 81-017/03L-0 | |
05000327/LER-1981-018, Forwards LER 81-018/03L-0 | Forwards LER 81-018/03L-0 | |
05000327/LER-1981-018-03, /03L-0:on 810205,discovered That SI-137.2,RCS Water Inventory,Not Performed within 72-h Per Surveillance Requirements.Caused by Steady State Conditions Not Being Established Long Enough for Performance Before Reactor Trip | /03L-0:on 810205,discovered That SI-137.2,RCS Water Inventory,Not Performed within 72-h Per Surveillance Requirements.Caused by Steady State Conditions Not Being Established Long Enough for Performance Before Reactor Trip | |
05000327/LER-1981-019, Forwards LER 81-019/03L-0 | Forwards LER 81-019/03L-0 | |
05000327/LER-1981-019-03, /03L-0:on 810211,inside Containment Isolation Valve 1-33-704 on Svc Air Header Discovered Omitted from Drawing.Valve Added | /03L-0:on 810211,inside Containment Isolation Valve 1-33-704 on Svc Air Header Discovered Omitted from Drawing.Valve Added | |
05000327/LER-1981-020, Forwards LER 81-020/03L-0 | Forwards LER 81-020/03L-0 | |
05000327/LER-1981-020-03, /03L-0:on 810207,radiation Monitor for Exhaust Path 2-R-90-100 Found Inoperable W/Unit in Mode 5 & ABGTS Train B Fan Discharging Through Shield Bldg Exhaust Vent. Caused by Mod to 480-volt Shutdown Board on 810206 | /03L-0:on 810207,radiation Monitor for Exhaust Path 2-R-90-100 Found Inoperable W/Unit in Mode 5 & ABGTS Train B Fan Discharging Through Shield Bldg Exhaust Vent. Caused by Mod to 480-volt Shutdown Board on 810206 | |
05000327/LER-1981-021-03, /03L-0:on 810211,reactor Coolant Pumps 1 & 2 Were Stopped.Caused by RCS Pressure Going to Zero After RHR Containment Spray Isolation Valve Inadvertently Opened.Pumps Returned to Operable Status in Approx 1-h | /03L-0:on 810211,reactor Coolant Pumps 1 & 2 Were Stopped.Caused by RCS Pressure Going to Zero After RHR Containment Spray Isolation Valve Inadvertently Opened.Pumps Returned to Operable Status in Approx 1-h | |
05000327/LER-1981-021, Forwards LER 81-021/03L-0 | Forwards LER 81-021/03L-0 | |
05000327/LER-1981-022-03, /03L-0:on 810219,w/unit in Mode 5,chlorine Detector O-CLAN-43-205A Declared Inoperable.Caused by Electrolyte Used to Drip Onto Sensor Becoming Stopped Up in Felt Filter.Filter Replaced & Detector Returned to Svc | /03L-0:on 810219,w/unit in Mode 5,chlorine Detector O-CLAN-43-205A Declared Inoperable.Caused by Electrolyte Used to Drip Onto Sensor Becoming Stopped Up in Felt Filter.Filter Replaced & Detector Returned to Svc | |
05000327/LER-1981-022, Forwards LER 81-022/03L-0 | Forwards LER 81-022/03L-0 | |
05000327/LER-1981-023, Forwards LER 81-023/03L-0 | Forwards LER 81-023/03L-0 | |
05000327/LER-1981-023-03, /03L-0:on 810303,design Review Per IE Bulletin 79-14 Discovered Sleeves 525,529,533 & 537 on TVA 47W470-5 Are Not 4-inch as-built Size.Caused by Incorrect Installation During Const.Sleeves Modified | /03L-0:on 810303,design Review Per IE Bulletin 79-14 Discovered Sleeves 525,529,533 & 537 on TVA 47W470-5 Are Not 4-inch as-built Size.Caused by Incorrect Installation During Const.Sleeves Modified | |
05000327/LER-1981-024, Forwards LER 81-024/03L-0 | Forwards LER 81-024/03L-0 | |
05000327/LER-1981-024-03, /03L-0:on 810314,problems Were Experienced W/Steam Supply Controls to steam-driven Auxiliary Feedwater Pump 1A-S.Probably Caused by Initial Pressure Spike & Bias Error Due to Clog in Sense Lines Causing Steam Supply Isolatio | /03L-0:on 810314,problems Were Experienced W/Steam Supply Controls to steam-driven Auxiliary Feedwater Pump 1A-S.Probably Caused by Initial Pressure Spike & Bias Error Due to Clog in Sense Lines Causing Steam Supply Isolation | |
05000327/LER-1981-025-03, /03L-0:on 810217,during Surveillance Instruction SI-7,diesel Generator 1B-B Failed to Load Properly.Caused by Blown Fuse in Governor Potentiometer Circuit.Fuse Replaced | /03L-0:on 810217,during Surveillance Instruction SI-7,diesel Generator 1B-B Failed to Load Properly.Caused by Blown Fuse in Governor Potentiometer Circuit.Fuse Replaced | |
05000327/LER-1981-025, Forwards LER 81-025/03L-0 | Forwards LER 81-025/03L-0 | |