| | | Reporting criterion |
|---|
| 05000271/LER-1978-009, Forwards LER 78-009/03L-0 | Forwards LER 78-009/03L-0 | |
| 05000271/LER-1978-009-03, /03L-0 on 780331:during Control Rod Testing, Rod Block Monitor a Was Bypassed Several Times.Caused by Supervisory Misunderstanding.Misunderstanding Clarified & Precautionary Procedures Added | /03L-0 on 780331:during Control Rod Testing, Rod Block Monitor a Was Bypassed Several Times.Caused by Supervisory Misunderstanding.Misunderstanding Clarified & Precautionary Procedures Added | |
| 05000271/LER-1978-016-03, /03L-0 on 780625:during Steady State Oper,Noted That Drywell Atmospheric Temp Recorder TR-1-149 Was Inoperable.Caused by Recorder Failure Due to Broken Cord on Chart Drive Mechanism | /03L-0 on 780625:during Steady State Oper,Noted That Drywell Atmospheric Temp Recorder TR-1-149 Was Inoperable.Caused by Recorder Failure Due to Broken Cord on Chart Drive Mechanism | |
| 05000271/LER-1978-016, Forwards LER 78-016/03L-0 | Forwards LER 78-016/03L-0 | |
| 05000271/LER-1978-017-03, /03L-1 on 780626:during Increase of Reactor Pwr, Noted That Critical Pwr Ratio in 4 Symmetrically Located Fuel Bundles Was Below Tech Spec Values.Caused by Pwr Increasing Xenon Transient | /03L-1 on 780626:during Increase of Reactor Pwr, Noted That Critical Pwr Ratio in 4 Symmetrically Located Fuel Bundles Was Below Tech Spec Values.Caused by Pwr Increasing Xenon Transient | |
| 05000271/LER-1978-017, Forwards LER 78-017/03L-1 | Forwards LER 78-017/03L-1 | |
| 05000271/LER-1978-019, Forwards LER 78-019/03L-0 | Forwards LER 78-019/03L-0 | |
| 05000271/LER-1978-019-03, /03L-0 on 780629:during Steady State Oper Motor Control Ctr 893 Lost Voltage Because B Uninterruptible Pwr Supply (UP5) Tripped Due to Blown Inverter Leg Fuse.Failed Components Replaced & Operability Test Performed | /03L-0 on 780629:during Steady State Oper Motor Control Ctr 893 Lost Voltage Because B Uninterruptible Pwr Supply (UP5) Tripped Due to Blown Inverter Leg Fuse.Failed Components Replaced & Operability Test Performed | |
| 05000271/LER-1978-020, Forwards LER 78-020/01T-1 | Forwards LER 78-020/01T-1 | |
| 05000271/LER-1978-020-01, /01T-1 on 780701:growing Crack Was Observed in Torus Shell Adjacent to Weld.Caused by Failure of a Certain Welding Process to Produce the Desired Results in Metallurgical Properties | /01T-1 on 780701:growing Crack Was Observed in Torus Shell Adjacent to Weld.Caused by Failure of a Certain Welding Process to Produce the Desired Results in Metallurgical Properties | |
| 05000271/LER-1978-021, Forwards LER 78-021/03L-0 | Forwards LER 78-021/03L-0 | |
| 05000271/LER-1978-021-03, /03L-0 on 780612:during Steady State Oper,Noted That Drywell Atmospheric Temp Recorder TR-1-149 Was Inoperable.Recorder Failed Due to Failed Idler Assembly | /03L-0 on 780612:during Steady State Oper,Noted That Drywell Atmospheric Temp Recorder TR-1-149 Was Inoperable.Recorder Failed Due to Failed Idler Assembly | |
| 05000271/LER-1978-030, Forwards LER 78-030/03L-0 | Forwards LER 78-030/03L-0 | |
| 05000271/LER-1978-030-03, /03L-0:on 780926,small Amount of Radioiodine Released During Third Quarter,Exceeding Tech Spec Level. Caused by Faulty Fuel Cladding | /03L-0:on 780926,small Amount of Radioiodine Released During Third Quarter,Exceeding Tech Spec Level. Caused by Faulty Fuel Cladding | |
| 05000271/LER-1978-031-03, /03L-0 on 781016:weekly Review of Completed Surveillance Test Following Plant Startup Noted That Monthly Hydrogen Detector Functional Test Was Not Performed Due to Personnel Error | /03L-0 on 781016:weekly Review of Completed Surveillance Test Following Plant Startup Noted That Monthly Hydrogen Detector Functional Test Was Not Performed Due to Personnel Error | |
| 05000271/LER-1978-031, Forwards LER 78-031/03L-0 | Forwards LER 78-031/03L-0 | |
| 05000271/LER-1978-032, Forwards LER 78-032/03L-0 | Forwards LER 78-032/03L-0 | |
| 05000271/LER-1978-032-03, /03L-0 on 781014:during Surveillance Test of Main Steam Isolution Valves,V2-86C Closed in 2.6 Seconds Rather than 3-5 Seconds Req in Tech Spec 4.7.D.1.a.1.Caused by Closing Speed Control Valve Coming Loose from Actuator | /03L-0 on 781014:during Surveillance Test of Main Steam Isolution Valves,V2-86C Closed in 2.6 Seconds Rather than 3-5 Seconds Req in Tech Spec 4.7.D.1.a.1.Caused by Closing Speed Control Valve Coming Loose from Actuator | |
| 05000271/LER-1978-033, Forwards LER 78-033/03L-0 | Forwards LER 78-033/03L-0 | |
| 05000271/LER-1978-033-03, /03L-0 on 781113:during Weekly Surveillance Re Radiological Environ Prog,Air Pump Motor Was Found Inoper. Time Meter Indicated Pump Had Operated Only 0.4 Hours.Air Pump Replaced & New Weekly Air Sample Initiated | /03L-0 on 781113:during Weekly Surveillance Re Radiological Environ Prog,Air Pump Motor Was Found Inoper. Time Meter Indicated Pump Had Operated Only 0.4 Hours.Air Pump Replaced & New Weekly Air Sample Initiated | |
| 05000271/LER-1978-034-03, /03L-0 on 781205:air Ejector Off Gas Monitor a Was Behaving Erratically Drawing Excessive Traces.Condition Could Not Be Reproduced & Cause Is Undetermined.Test Instruments Checked Out Normal | /03L-0 on 781205:air Ejector Off Gas Monitor a Was Behaving Erratically Drawing Excessive Traces.Condition Could Not Be Reproduced & Cause Is Undetermined.Test Instruments Checked Out Normal | |
| 05000271/LER-1978-034, Forwards LER 78-034/03L-0 | Forwards LER 78-034/03L-0 | |
| 05000271/LER-1978-035, Forwards LER 78-035/03L-0 | Forwards LER 78-035/03L-0 | |
| 05000271/LER-1978-035-03, /03L-0 on 781210:indicated Torus Water Level Rose Too Fast.Indication Was False Due to Loss of Water in the Reference Leg of the Torus Level Transmitters, LT-16-19-38A/B | /03L-0 on 781210:indicated Torus Water Level Rose Too Fast.Indication Was False Due to Loss of Water in the Reference Leg of the Torus Level Transmitters, LT-16-19-38A/B | |