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| 05000333/LER-1981-001-01, /01T-0:on 810121,problems Re IE Bulletin 80-25 Found in safety-relief Valve Solenoids.Probably Caused by Solenoid Valve Vendor Inadequacy.Eleven Solenoid Pairs Disassembled,Inspected & Cleaned | /01T-0:on 810121,problems Re IE Bulletin 80-25 Found in safety-relief Valve Solenoids.Probably Caused by Solenoid Valve Vendor Inadequacy.Eleven Solenoid Pairs Disassembled,Inspected & Cleaned | |
| 05000333/LER-1981-001, Forwards LER 81-001/01T-0 | Forwards LER 81-001/01T-0 | |
| 05000333/LER-1981-002, Forwards LER 81-002/03L-0 | Forwards LER 81-002/03L-0 | |
| 05000333/LER-1981-002-03, /03L-0:on 810106,condensate Storage Tank Level Switches 23-LS-74B & 75B Did Not Operate as Required.Caused by Incorrect Setpoint Due to Moisture.Switches Cleaned, Lubricated & Recalibr | /03L-0:on 810106,condensate Storage Tank Level Switches 23-LS-74B & 75B Did Not Operate as Required.Caused by Incorrect Setpoint Due to Moisture.Switches Cleaned, Lubricated & Recalibr | |
| 05000333/LER-1981-003, Forwards LER 81-003/03L-0 | Forwards LER 81-003/03L-0 | |
| 05000333/LER-1981-003-03, /03L-0:on 810106,containment Isolation Valve 16-1-AOV-102A Would Not Close.Caused by Natural End of Life. Valve Will Be Replaced | /03L-0:on 810106,containment Isolation Valve 16-1-AOV-102A Would Not Close.Caused by Natural End of Life. Valve Will Be Replaced | |
| 05000333/LER-1981-004, Forwards LER 81-004/03L-0 | Forwards LER 81-004/03L-0 | |
| 05000333/LER-1981-004-03, /03L-0:on 810110,emergency Diesel Generator D Exhibited Load Swings (Hunting) & Tripped on High Circulating Current.Caused by Defective Regulator Droop Switch.Switch Replaced in Both Emergency Power Sys | /03L-0:on 810110,emergency Diesel Generator D Exhibited Load Swings (Hunting) & Tripped on High Circulating Current.Caused by Defective Regulator Droop Switch.Switch Replaced in Both Emergency Power Sys | |
| 05000333/LER-1981-005, Forwards LER 81-005/04L-0 | Forwards LER 81-005/04L-0 | |
| 05000333/LER-1981-005-04, /04L-0:on 810112,annual Test of Offgas Automatic Isolation Not Performed as Required by Ets.Caused by Missed Surveillance Due to Conflict Between ETS & Operating Tech Specs.Surveillance Test Revised to Reflect ETS Requiremen | /04L-0:on 810112,annual Test of Offgas Automatic Isolation Not Performed as Required by Ets.Caused by Missed Surveillance Due to Conflict Between ETS & Operating Tech Specs.Surveillance Test Revised to Reflect ETS Requirement | |
| 05000333/LER-1981-006-03, /03L-0:on 810112,during Normal Operation,Rod Block Monitor B Failed to Null When Control Rod Selected.Caused by Relay Failure Due to End of Natural Life.Relay Board Replaced & Monitor Returned to Svc | /03L-0:on 810112,during Normal Operation,Rod Block Monitor B Failed to Null When Control Rod Selected.Caused by Relay Failure Due to End of Natural Life.Relay Board Replaced & Monitor Returned to Svc | |
| 05000333/LER-1981-006, Forwards LER 81-006/03L-0 | Forwards LER 81-006/03L-0 | |
| 05000333/LER-1981-007-03, /03L-0:on 810113,during Normal Operation,Core Spray Pipe Break D/P Switches 14-DPIS-43A&B Found Set at 1.08 & 0.77.Caused by Instrument Drift.Switches Recalibr & Returned to Svc | /03L-0:on 810113,during Normal Operation,Core Spray Pipe Break D/P Switches 14-DPIS-43A&B Found Set at 1.08 & 0.77.Caused by Instrument Drift.Switches Recalibr & Returned to Svc | |
| 05000333/LER-1981-007, Forwards LER 81-007/03L-0 | Forwards LER 81-007/03L-0 | |
| 05000333/LER-1981-008-03, /03L-0:on 810114,during Normal Operation,Resident Inspector Noted That Daily Reactor Coolant Leakage Rate Not Calculated on 810113 Contrary to Tech Specs.Caused by Personnel Error.Leak Rate Calculated for 39-h Period | /03L-0:on 810114,during Normal Operation,Resident Inspector Noted That Daily Reactor Coolant Leakage Rate Not Calculated on 810113 Contrary to Tech Specs.Caused by Personnel Error.Leak Rate Calculated for 39-h Period | |
| 05000333/LER-1981-008, Forwards LER 81-008/03L-0 | Forwards LER 81-008/03L-0 | |
| 05000333/LER-1981-009, Forwards LER 81-009/03L-0 | Forwards LER 81-009/03L-0 | |
| 05000333/LER-1981-009-03, /03L-0:on 810115,during Normal Operation, Administrative Review Noted Fire Hose Gasket Insp & Rerack Not Completed as Required by Tech Specs.Caused by Personnel Error.Improper Data Sheets Not Used After May 1980 | /03L-0:on 810115,during Normal Operation, Administrative Review Noted Fire Hose Gasket Insp & Rerack Not Completed as Required by Tech Specs.Caused by Personnel Error.Improper Data Sheets Not Used After May 1980 | |
| 05000333/LER-1981-010-03, /03X-1:on 810117,HPCI Sys Did Not Automatically Operate at Rated Speed Upon Receipt of Auto Start Signal Following Reactor Scram & Isolation.Caused by Reactor Water Level Shrink.Speed & Discharge Pressure Increased | /03X-1:on 810117,HPCI Sys Did Not Automatically Operate at Rated Speed Upon Receipt of Auto Start Signal Following Reactor Scram & Isolation.Caused by Reactor Water Level Shrink.Speed & Discharge Pressure Increased | |
| 05000333/LER-1981-010, Forwards LER 81-010/03X-1 | Forwards LER 81-010/03X-1 | |
| 05000333/LER-1981-011, Forwards LER 81-011/03X-1 | Forwards LER 81-011/03X-1 | |
| 05000333/LER-1981-012, Forwards LER 81-012/04L-0 | Forwards LER 81-012/04L-0 | |
| 05000333/LER-1981-012-04, /04L-0:on 810120,found Offgas Vent Pipe (Stack) Sample Pumps Had Been Off Since Loss of Instrumentation Power Resulting in Plant Hot Shutdown Condition.Caused by Design Deficiency.Sample Pumps Started | /04L-0:on 810120,found Offgas Vent Pipe (Stack) Sample Pumps Had Been Off Since Loss of Instrumentation Power Resulting in Plant Hot Shutdown Condition.Caused by Design Deficiency.Sample Pumps Started | |
| 05000333/LER-1981-013, Forwards LER 81-013/03L-0 | Forwards LER 81-013/03L-0 | |
| 05000333/LER-1981-013-03, /03L-0:on 810124,HPCI Sys Flow Square Root Computation Module Found Out of Calibr.Possibly Caused by Instrument Drift.Instrument Recalibr & Returned to Svc | /03L-0:on 810124,HPCI Sys Flow Square Root Computation Module Found Out of Calibr.Possibly Caused by Instrument Drift.Instrument Recalibr & Returned to Svc | |
| 05000333/LER-1981-014, Forwards LER 81-014/03L-0 | Forwards LER 81-014/03L-0 | |
| 05000333/LER-1981-014-03, /03L-0:on 810129,instrument Functional Surveillance Test of LPCI Cross Connect Valve Alarm Not Performed Per Tech Specs.Caused by Lack of Surveillance Test Procedure Due to Personnel Error.Test F-ST-2T Written | /03L-0:on 810129,instrument Functional Surveillance Test of LPCI Cross Connect Valve Alarm Not Performed Per Tech Specs.Caused by Lack of Surveillance Test Procedure Due to Personnel Error.Test F-ST-2T Written | |
| 05000333/LER-1981-015-03, /03L-0:on 810129,primary Containment Isolation Valve 10-MOV-39B Motor Contactor Tripped Due to Water Entering Motor Control Ctr from Electrical Conduit Outside Bldg.Caused by Const Deficiency.Motor Contactor Dried Out | /03L-0:on 810129,primary Containment Isolation Valve 10-MOV-39B Motor Contactor Tripped Due to Water Entering Motor Control Ctr from Electrical Conduit Outside Bldg.Caused by Const Deficiency.Motor Contactor Dried Out | |
| 05000333/LER-1981-015, Forwards LER 81-015/03L-0 | Forwards LER 81-015/03L-0 | |
| 05000333/LER-1981-016, Forwards LER 81-016/03L-0 | Forwards LER 81-016/03L-0 | |
| 05000333/LER-1981-016-03, /03L-0:on 810203,reactor Core Isolation Cooling Made Inoperable to Repair Thermocouple Connection in Subsys. Caused by Thermocouple Failure Due to Normal Wear & Tear. Connection Repaired | /03L-0:on 810203,reactor Core Isolation Cooling Made Inoperable to Repair Thermocouple Connection in Subsys. Caused by Thermocouple Failure Due to Normal Wear & Tear. Connection Repaired | |
| 05000333/LER-1981-017-03, /03L-0:on 810207,average Power Range Monitors a & E Downscale Trips Found Set at Less than 2.5/125,in Violation of Tech Spec 3.1-1.Possibly Caused by Instrument Drift.Downscale Trips Adjusted | /03L-0:on 810207,average Power Range Monitors a & E Downscale Trips Found Set at Less than 2.5/125,in Violation of Tech Spec 3.1-1.Possibly Caused by Instrument Drift.Downscale Trips Adjusted | |
| 05000333/LER-1981-017, Forwards LER 81-017/03L-0 | Forwards LER 81-017/03L-0 | |
| 05000333/LER-1981-018-03, /03L-0:on 810209,steam Line High Flow Switches 02-DPIS-116A & 116B Were Found Outside Tech Spec.Probably Caused by Instrument Drift.Switches Calibr | /03L-0:on 810209,steam Line High Flow Switches 02-DPIS-116A & 116B Were Found Outside Tech Spec.Probably Caused by Instrument Drift.Switches Calibr | |
| 05000333/LER-1981-018, Forwards LER 81-018/03L-0 | Forwards LER 81-018/03L-0 | |
| 05000333/LER-1981-019, Forwards LER 81-019/03L-0 | Forwards LER 81-019/03L-0 | |
| 05000333/LER-1981-019-03, /03L-0:on 810210,during Normal Operation,Reactor Water Conductivity Exceeded Tech Spec 3.6.C.4 Limits.Caused by Addition of Caustic to Condensate Storage Tanks Due to Personnel Error.Two Condensate Storage Tanks Cleaned | /03L-0:on 810210,during Normal Operation,Reactor Water Conductivity Exceeded Tech Spec 3.6.C.4 Limits.Caused by Addition of Caustic to Condensate Storage Tanks Due to Personnel Error.Two Condensate Storage Tanks Cleaned | |
| 05000333/LER-1981-020-03, /03L-0:on 810213,during Normal Operation,Hpci Controller Indicated Possible Controller Failure.Sys Declared Inoperable.Caused by Failure of Two Transistors in Amplifier.Controller Replaced & Returned to Svc | /03L-0:on 810213,during Normal Operation,Hpci Controller Indicated Possible Controller Failure.Sys Declared Inoperable.Caused by Failure of Two Transistors in Amplifier.Controller Replaced & Returned to Svc | |
| 05000333/LER-1981-020, Forwards LER 81-020/03L-0 | Forwards LER 81-020/03L-0 | |
| 05000333/LER-1981-021-03, /03L-0:on 810219,core Spray Pipe Break Switch 14-DPIS-43A Found Set Above Tech Spec Limit.Caused by Instrument Drift.Surveillance Increased to Daily,Guide Valve Changed to More Conservative Set Point & Training Conducted | /03L-0:on 810219,core Spray Pipe Break Switch 14-DPIS-43A Found Set Above Tech Spec Limit.Caused by Instrument Drift.Surveillance Increased to Daily,Guide Valve Changed to More Conservative Set Point & Training Conducted | |
| 05000333/LER-1981-021, Forwards LER 81-021/03L-0 | Forwards LER 81-021/03L-0 | |
| 05000333/LER-1981-022, Forwards LER 81-022/03L-0 | Forwards LER 81-022/03L-0 | |
| 05000333/LER-1981-022-03, /03L-0:on 810220,review Revealed Torus Water Level Recorders Had Not Been Included in Calibr Program Per 800123 Tech Specs Change.Caused by Personnel Error.Recorders Checked & Calibr Will Be Performed Once Each Six Months | /03L-0:on 810220,review Revealed Torus Water Level Recorders Had Not Been Included in Calibr Program Per 800123 Tech Specs Change.Caused by Personnel Error.Recorders Checked & Calibr Will Be Performed Once Each Six Months | |
| 05000333/LER-1981-023, Forwards LER 81-023/03L-0 | Forwards LER 81-023/03L-0 | |
| 05000333/LER-1981-023-03, /03L-0:on 810225,reactor Water Level Instrument 02-3-LIS-101C Found Set Below Allowable Limits & on 810302 Instrument Found Above Allowable Limits.Cause for Both Failures Believed to Be Broken Switch Lock.Lock Repaired | /03L-0:on 810225,reactor Water Level Instrument 02-3-LIS-101C Found Set Below Allowable Limits & on 810302 Instrument Found Above Allowable Limits.Cause for Both Failures Believed to Be Broken Switch Lock.Lock Repaired | |
| 05000333/LER-1981-024-03, /03L-0:on 810323,drywell Equipment Drain Sump Pump B Lost Suction & Could Not Effect Sump Pump Out.Cause Unknown.Amend to Tech Spec Submitted | /03L-0:on 810323,drywell Equipment Drain Sump Pump B Lost Suction & Could Not Effect Sump Pump Out.Cause Unknown.Amend to Tech Spec Submitted | |
| 05000333/LER-1981-024, Forwards LER 81-024/03L-0 | Forwards LER 81-024/03L-0 | |
| 05000333/LER-1981-025-03, /03L-0:on 810323,while Conducting Surveillance During Normal Operation,Reactor Water Level Switch Found Set Contrary to Tech Specs.Caused Attributed to Instrument Drift.Switch Adjusted & Weekly Surveillance Performed | /03L-0:on 810323,while Conducting Surveillance During Normal Operation,Reactor Water Level Switch Found Set Contrary to Tech Specs.Caused Attributed to Instrument Drift.Switch Adjusted & Weekly Surveillance Performed | |
| 05000333/LER-1981-025, Forwards LER 81-025/03L-0 | Forwards LER 81-025/03L-0 | |
| 05000333/LER-1981-026, Forwards LER 81-026/03L-0 | Forwards LER 81-026/03L-0 | |