| | | Reporting criterion |
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| 05000296/LER-1978-007-01, Is Voided | Is Voided | |
| 05000260/LER-1978-007, Has Been Voided | Has Been Voided | |
| 05000259/LER-1978-008, Forwards LER 78-008/01T-1 | Forwards LER 78-008/01T-1 | |
| 05000259/LER-1978-008-01, /01T-1 on 780318:analysis Based on in-plant Measurements of Real & Reactive Loads Indicated That for Certain Conditions in Offsite Power Supply,Tech Spec 3.9.A.1 Could Not Be Met.Corrective Devices Installed | /01T-1 on 780318:analysis Based on in-plant Measurements of Real & Reactive Loads Indicated That for Certain Conditions in Offsite Power Supply,Tech Spec 3.9.A.1 Could Not Be Met.Corrective Devices Installed | |
| 05000296/LER-1978-008-01, /01X-1:on 780415,during Reactor Scram,Relief Valve 1-31 Failed to Reseat Until Reactor Pressure Reached 280 Psig.Moderator Cooldown Rate Exceeded 100 F Allowed by Tech Specs.Caused by Excessive Pilot Leakage | /01X-1:on 780415,during Reactor Scram,Relief Valve 1-31 Failed to Reseat Until Reactor Pressure Reached 280 Psig.Moderator Cooldown Rate Exceeded 100 F Allowed by Tech Specs.Caused by Excessive Pilot Leakage | |
| 05000296/LER-1978-008, Forwards LER 78-008/01X-1 | Forwards LER 78-008/01X-1 | |
| 05000259/LER-1978-011, Has Been Voided | Has Been Voided | |
| 05000260/LER-1978-012, Has Been Voided | Has Been Voided | |
| 05000259/LER-1978-012-01, Has Been Voided | Has Been Voided | |
| 05000260/LER-1978-013, Has Been Voided | Has Been Voided | |
| 05000260/LER-1978-014-03, HPCI Sys Sustained Damage to High Pressure Pump & Reduction Gear Set Which Drives Low Pressure Pump.Caused by Failure to Open Valve in Lubrication Oil Line.Instruction Revised | HPCI Sys Sustained Damage to High Pressure Pump & Reduction Gear Set Which Drives Low Pressure Pump.Caused by Failure to Open Valve in Lubrication Oil Line.Instruction Revised | 10 CFR 50.73(a)(2)(v), Loss of Safety Function |
| 05000260/LER-1978-016, Forwards LER 78-016/01T-0 | Forwards LER 78-016/01T-0 | |
| 05000260/LER-1978-016-01, /01T-0:on 780930,cracking Discovered in 1-inch Instrument Line & 3/4-inch Bonnet Vent Line on FCV-68-1. Cause Undetermined | /01T-0:on 780930,cracking Discovered in 1-inch Instrument Line & 3/4-inch Bonnet Vent Line on FCV-68-1. Cause Undetermined | |
| 05000260/LER-1978-017, Forwards LER 78-017/03L-0 | Forwards LER 78-017/03L-0 | |
| 05000260/LER-1978-017-03, /03L-0:on 781004,drywell Oxygen Concentration Was Not Reduced to 4% within 24 H Period After Placing Reactor in Run Mode.Caused by Personnel Safety Considerations During Repair of Inner Drywell Air Lock Repairs | /03L-0:on 781004,drywell Oxygen Concentration Was Not Reduced to 4% within 24 H Period After Placing Reactor in Run Mode.Caused by Personnel Safety Considerations During Repair of Inner Drywell Air Lock Repairs | |
| 05000260/LER-1978-018-03, /03L-0 on 781103:reactor Pressure Switch PS-6B-96, Switch 1 Failed to Operate During Surveillance Testing. Switch Exercised & Adjusted | /03L-0 on 781103:reactor Pressure Switch PS-6B-96, Switch 1 Failed to Operate During Surveillance Testing. Switch Exercised & Adjusted | |
| 05000260/LER-1978-018, Forwards LER 78-018/03L-0 | Forwards LER 78-018/03L-0 | |
| 05000260/LER-1978-019, Forwards LER 78-019/01T-0 | Forwards LER 78-019/01T-0 | |
| 05000260/LER-1978-020, Forwards LER 78-020/03L-0 | Forwards LER 78-020/03L-0 | |
| 05000260/LER-1978-020-03, /03L-0 on 781110:during Normal Pwr Oper,Reactor & Turbine Bldg & Refueling Zone Ventilation Exhaust Monitor, RM-90-250 Became Inoperable.Instr & Its Sensing Line Dried Out & Returned to Svc | /03L-0 on 781110:during Normal Pwr Oper,Reactor & Turbine Bldg & Refueling Zone Ventilation Exhaust Monitor, RM-90-250 Became Inoperable.Instr & Its Sensing Line Dried Out & Returned to Svc | |
| 05000260/LER-1978-021, Forwards LER 78-021/03L-0 | Forwards LER 78-021/03L-0 | |
| 05000260/LER-1978-021-03, /03L-0 on 781201:suppression Chamber Hydrogen Monitoring Sys Failed to Meet Tech Spec Requirements.Caused by Low Signal Output of Torus Hydrogen Sensor | /03L-0 on 781201:suppression Chamber Hydrogen Monitoring Sys Failed to Meet Tech Spec Requirements.Caused by Low Signal Output of Torus Hydrogen Sensor | |
| 05000260/LER-1978-022, Forwards LER 78-022/03L-1 | Forwards LER 78-022/03L-1 | |
| 05000260/LER-1978-022-03, /03L-1 on 781202:during Normal Operation,Reactor Bldg,Turbine Bldg & Refueling Zone Ventilation Exhaust Monitor RM-90-250 Became Inoperable.Caused by Collection of Moisture in Sampling Line of Monitor.Sampling Line Dried | /03L-1 on 781202:during Normal Operation,Reactor Bldg,Turbine Bldg & Refueling Zone Ventilation Exhaust Monitor RM-90-250 Became Inoperable.Caused by Collection of Moisture in Sampling Line of Monitor.Sampling Line Dried | |
| 05000260/LER-1978-023-03, /03L-0 on 781211:reactor High Pressure Switches Ps-3-204A&B Exceeded Tech Spec Limits When Static-O-Ring 9N-AA45-(x9)-TT Pressure Switch Drifted Out of Tolerance | /03L-0 on 781211:reactor High Pressure Switches Ps-3-204A&B Exceeded Tech Spec Limits When Static-O-Ring 9N-AA45-(x9)-TT Pressure Switch Drifted Out of Tolerance | |
| 05000260/LER-1978-023, Forwards LER 78-023/03L-0 | Forwards LER 78-023/03L-0 | |
| 05000296/LER-1978-024, Fowards LER 78-024/03L-0 | Fowards LER 78-024/03L-0 | |
| 05000260/LER-1978-024-03, /03L-0 on 781219:drywell Air Compressor Suction Valve FCV-32-62 Failed to Close Due to O-ring Failure within Electropneumatic Control Valve FSV-32-62.Latter Valve Replaced & Subsequent Testing Was Satisfactory | /03L-0 on 781219:drywell Air Compressor Suction Valve FCV-32-62 Failed to Close Due to O-ring Failure within Electropneumatic Control Valve FSV-32-62.Latter Valve Replaced & Subsequent Testing Was Satisfactory | |
| 05000296/LER-1978-024-03, /03L-0 on 780911:during Refueling While Performing Surveillance Instru SI-42B-31 2 Broken Wire Was Found on Signal Lead for RCIC Turbine High Steam Flow Switch PDIS-71- 1B Which Provides RCIC Isolation.Loose Connection Repai | /03L-0 on 780911:during Refueling While Performing Surveillance Instru SI-42B-31 2 Broken Wire Was Found on Signal Lead for RCIC Turbine High Steam Flow Switch PDIS-71- 1B Which Provides RCIC Isolation.Loose Connection Repaired | |
| 05000260/LER-1978-024, Forwards LER 78-024/03L-0 | Forwards LER 78-024/03L-0 | |
| 05000296/LER-1978-025-01, /01T-0 on 780917:during refueling,4 Mstvs Exceeded Leakage Limits.Defective Valves Will Be Repaired & Retested | /01T-0 on 780917:during refueling,4 Mstvs Exceeded Leakage Limits.Defective Valves Will Be Repaired & Retested | |
| 05000296/LER-1978-025, Forwards LER 78-025/01T-0 | Forwards LER 78-025/01T-0 | |
| 05000296/LER-1978-026-03, /03L-0:on 780924,during Refueling Outage,Smoke Detector XS-39-93KB Alarmed W/O Cause & Could Not Be Cleared.Caused by Normal Aging | /03L-0:on 780924,during Refueling Outage,Smoke Detector XS-39-93KB Alarmed W/O Cause & Could Not Be Cleared.Caused by Normal Aging | |
| 05000296/LER-1978-026, Forwards LER 78-026/03L-0 | Forwards LER 78-026/03L-0 | |
| 05000296/LER-1978-027, Forwards LER 78-027/03l-0 | Forwards LER 78-027/03l-0 | |
| 05000296/LER-1978-027-03, /03L-0 on 781012:during Refueling Outage,Panel 3-25-327 Was Inoperable,Placing 2 Smoke Detector Zones Out of Svc.Caused by a Contact on Power Transfer Relay Which Failed to Close After Short Power Interruption | /03L-0 on 781012:during Refueling Outage,Panel 3-25-327 Was Inoperable,Placing 2 Smoke Detector Zones Out of Svc.Caused by a Contact on Power Transfer Relay Which Failed to Close After Short Power Interruption | |
| 05000296/LER-1978-028, Forwards LER 78-028/03L-0 | Forwards LER 78-028/03L-0 | |
| 05000259/LER-1978-028, Forwards LER 78-028/01T | Forwards LER 78-028/01T | |
| 05000296/LER-1978-028-03, /03L-0 on 781014:during Refuel outage,1 Smoke Detector XS-39-108ZE in Mech Equip Room on Elevation 617 Caused False Alarm That Would Not Clear.Caused by Normal Natural Aging of Detector | /03L-0 on 781014:during Refuel outage,1 Smoke Detector XS-39-108ZE in Mech Equip Room on Elevation 617 Caused False Alarm That Would Not Clear.Caused by Normal Natural Aging of Detector | |
| 05000259/LER-1978-028-01, /01T-0 on 780919:Foxboro Model 610 Pwr Supplies Provided Under TVA Contact 75K11-8680 Were Not Seismically Qualified,Qualified Pwr Supplies Have Been Provided & Will Be Installed | /01T-0 on 780919:Foxboro Model 610 Pwr Supplies Provided Under TVA Contact 75K11-8680 Were Not Seismically Qualified,Qualified Pwr Supplies Have Been Provided & Will Be Installed | |
| 05000296/LER-1978-029-03, /03L-0 on 781029:during Refueling,While Reloading Fuel in Vessel W/All Rods inserted,2 IRM Channels Were Inoperable in Same Trip Sys.Irm F Signal Cable Was Sheared by CRD Repair Platform IRM H Signal Cable Disconnected | /03L-0 on 781029:during Refueling,While Reloading Fuel in Vessel W/All Rods inserted,2 IRM Channels Were Inoperable in Same Trip Sys.Irm F Signal Cable Was Sheared by CRD Repair Platform IRM H Signal Cable Disconnected | |
| 05000259/LER-1978-029, Forwards LER 78-029/01T-0 | Forwards LER 78-029/01T-0 | |
| 05000259/LER-1978-029-01, /03L-0:on 781012,cable Raceway Between Diesel Generator Bldg & Standby Gas Treatment Bldg Appeared to Have Settled 2 Inches at Diesel Generator Bldg & Expansion Joint. Cause Unknown.New Supports Will Be Installed on Raceways | /03L-0:on 781012,cable Raceway Between Diesel Generator Bldg & Standby Gas Treatment Bldg Appeared to Have Settled 2 Inches at Diesel Generator Bldg & Expansion Joint. Cause Unknown.New Supports Will Be Installed on Raceways | |
| 05000259/LER-1978-030, Forwards LER 78-030/03L-0 | Forwards LER 78-030/03L-0 | |
| 05000296/LER-1978-030-03, /03L-0 on 781031:evidence of Grease in 6 Snubbers Located in Core Spray,Main Steam & Residual Heat Removal Sys.Snubbers Replaced.Recurrence Control Action Incl Replacement of Grease Fittings W/Those Incompatible W/Guns | /03L-0 on 781031:evidence of Grease in 6 Snubbers Located in Core Spray,Main Steam & Residual Heat Removal Sys.Snubbers Replaced.Recurrence Control Action Incl Replacement of Grease Fittings W/Those Incompatible W/Guns | |
| 05000259/LER-1978-030-03, /03L-0:on 781013,four Heat Detectors Found to Be Connected to Incorrect Spray Zones.Elec Panel 1-25-281A Was Wired Incorrectly Causing Improper Sequencing.Detectors Were Rewired & Returned to Oper Per Tech Specs | /03L-0:on 781013,four Heat Detectors Found to Be Connected to Incorrect Spray Zones.Elec Panel 1-25-281A Was Wired Incorrectly Causing Improper Sequencing.Detectors Were Rewired & Returned to Oper Per Tech Specs | |
| 05000296/LER-1978-030, Forwards LER 78-030/03L-0 | Forwards LER 78-030/03L-0 | |
| 05000259/LER-1978-031, Forwards LER 78-031/03L-0 | Forwards LER 78-031/03L-0 | |
| 05000296/LER-1978-031, Forwards LER 78-031/01T-0 | Forwards LER 78-031/01T-0 | |
| 05000296/LER-1978-031-01, /01T-0 on 781128:during CRD Scram Timing & Associated LPRM Connect on Verification Noted That All LPRMs Had Been Connected in Reverse Order.Caused by Lack of Explanation in Documents Describing Connection Procedure | /01T-0 on 781128:during CRD Scram Timing & Associated LPRM Connect on Verification Noted That All LPRMs Had Been Connected in Reverse Order.Caused by Lack of Explanation in Documents Describing Connection Procedure | |
