| | | Reporting criterion |
|---|
| 05000029/LER-1978-012-03, /03L-1:on 780419,level of Primary Seal Tank Found to Be Decreasing at Faster Rate than Normal.Caused by Crack in Carbon Ring of Mechanical Seal.Seal Replaced | /03L-1:on 780419,level of Primary Seal Tank Found to Be Decreasing at Faster Rate than Normal.Caused by Crack in Carbon Ring of Mechanical Seal.Seal Replaced | |
| 05000029/LER-1978-012, Forwards LER 78-012/03L-1 | Forwards LER 78-012/03L-1 | |
| 05000029/LER-1978-020, Forwards LER 78-020/03L-0 | Forwards LER 78-020/03L-0 | |
| 05000029/LER-1978-020-03, /03L-0:on 780804,during Unscheduled Shutdown While Performing Secondary Plant Chemistry,Steam Generator Blowdown Chloride Concentration Exceeded 0.5 Ppm.Caused by Phenomenon of Hideout in Steam Generators | /03L-0:on 780804,during Unscheduled Shutdown While Performing Secondary Plant Chemistry,Steam Generator Blowdown Chloride Concentration Exceeded 0.5 Ppm.Caused by Phenomenon of Hideout in Steam Generators | |
| 05000029/LER-1978-025-03, /03L-0:on 780918,during Normal Operation,Source Check Failed to Give Proper Response While Performing Survillance on Main Coolant Sys Leakage Air Particulate Monitor.Caused by End of Life of Electron Tubes | /03L-0:on 780918,during Normal Operation,Source Check Failed to Give Proper Response While Performing Survillance on Main Coolant Sys Leakage Air Particulate Monitor.Caused by End of Life of Electron Tubes | |
| 05000029/LER-1978-025, Forwards LER 78-025/03L-0 | Forwards LER 78-025/03L-0 | |
| 05000029/LER-1978-026-03, /03L-0:on 780918,while Checking Primary Vent Stack Monitoring Equipment During Mode 1 Operation,Plastic Container Used to Collect Condensation from Primary Vent Stack Monitor Air Dryer Was Found Leaking | /03L-0:on 780918,while Checking Primary Vent Stack Monitoring Equipment During Mode 1 Operation,Plastic Container Used to Collect Condensation from Primary Vent Stack Monitor Air Dryer Was Found Leaking | |
| 05000029/LER-1978-026, Forwards LER 78-026/03L-0 | Forwards LER 78-026/03L-0 | |
| 05000029/LER-1978-031-01, /01T-0 on 781111:during Core XIII-XIV Refueling Shutdown,Fuel Sipping Revealed Degradation of Fuel Cladding in Assemblies A493E,B502E,B490E & B482E.Cause Is Under Investigation by Exxon | /01T-0 on 781111:during Core XIII-XIV Refueling Shutdown,Fuel Sipping Revealed Degradation of Fuel Cladding in Assemblies A493E,B502E,B490E & B482E.Cause Is Under Investigation by Exxon | |
| 05000029/LER-1978-032-03, /03L-0 on 781127:during refueling,CS-MOV-540 Was Isolated for Repair Which Removed Part of Flow Path as Required by Tech Specs.Caused by CS-MOV-540 Leakage Resulting from Unequal Expansion of Valve Internals | /03L-0 on 781127:during refueling,CS-MOV-540 Was Isolated for Repair Which Removed Part of Flow Path as Required by Tech Specs.Caused by CS-MOV-540 Leakage Resulting from Unequal Expansion of Valve Internals | |
| 05000029/LER-1978-032, Forwards LER 78-032/03L-0 | Forwards LER 78-032/03L-0 | |
| 05000029/LER-1978-033, Forwards LER 78-033/03L-0 | Forwards LER 78-033/03L-0 | |
| 05000029/LER-1978-033-03, /03L-0 on 781130:during Removal of Crud from Valve,Required Flow Paths Were Removed.Caused by Mgt Decision to Isolate Flow Path & Remove Crud to Reduce Safety Hazard | /03L-0 on 781130:during Removal of Crud from Valve,Required Flow Paths Were Removed.Caused by Mgt Decision to Isolate Flow Path & Remove Crud to Reduce Safety Hazard | |
| 05000029/LER-1978-034-03, /03L-0 on 781205:during Test,Trip Valve TV-207 Leakage Exceeded Tech Specs Due to Foreign Matl in Valve Seat.Valve Was Cycled Under Pressure & Successfully Retested | /03L-0 on 781205:during Test,Trip Valve TV-207 Leakage Exceeded Tech Specs Due to Foreign Matl in Valve Seat.Valve Was Cycled Under Pressure & Successfully Retested | |
| 05000029/LER-1978-034, Forwards LER 78-034/03L-0 | Forwards LER 78-034/03L-0 | |
| 05000029/LER-1978-035-03, /03L-0 on 781217:during Testing,Primary & Demineralized Storage Tanks Inventory Decreased Below Tech Spec Min.Caused by Personnel Error | /03L-0 on 781217:during Testing,Primary & Demineralized Storage Tanks Inventory Decreased Below Tech Spec Min.Caused by Personnel Error | |
| 05000029/LER-1978-035, Forwards LER 78-035/03L-0 | Forwards LER 78-035/03L-0 | |
| 05000029/LER-1978-036, Forwards LER 78-036/03L-0 | Forwards LER 78-036/03L-0 | |
| 05000029/LER-1978-036-03, /03L-0 on 781222:during Unscheduled Shutdown, Chloride Concentrations of Steam Generators 1,2 & 4 Were Higher than Tech Spec Limits.Caused by Steam Generators Chemical Hideouts | /03L-0 on 781222:during Unscheduled Shutdown, Chloride Concentrations of Steam Generators 1,2 & 4 Were Higher than Tech Spec Limits.Caused by Steam Generators Chemical Hideouts | |