Pages that link to "05000244/LER-1981-021, Forwards LER 81-021/03L-0"
Jump to navigation
Jump to search
The following pages link to 05000244/LER-1981-021, Forwards LER 81-021/03L-0:
Displayed 36 items.
- ML20040D790 (redirect page) (← links)
- 05000244/LER-1981-021-03, /03L-0:on 811222,while at steady-state 100% Operation,Periodic Test Identified Containment Gas Radiation Monitor Return Line Check Valve Not Sealing Tight.Caused by Dirt on Seat of Rockwell 1-inch 1500 Psi Valve (← links)
- 05000244/LER-1981-021, Forwards LER 81-021/03L-0 (← links)
- 05000244/LER-1981-021-03, /03L-0:on 811222,while at steady-state 100% Operation,Periodic Test Identified Containment Gas Radiation Monitor Return Line Check Valve Not Sealing Tight.Caused by Dirt on Seat of Rockwell 1-inch 1500 Psi Valve (← links)
- 05000244/LER-1981-021 (redirect page) (← links)
- 05000244/LER-1981-022, Forwards LER 81-022/01T-0 (← links)
- 05000244/LER-1981-018-03, /03L-0:on 811202,zones S03,S04 & S05 of Fire Suppression Sys Had Been Isolated for 14 Days.Caused by Inadvertent Operation of Fire Suppression Sys on 811114.Fire Watches Established & Protection Sys to Be Installed (← links)
- 05000244/LER-1981-020-03, /03L-0:on 811119,two Fire Seals from a Battery Room Found Not Installed.Caused by Personnel Failure to Fill Seals W/Fire Barrier Foam.Improved Training & Supervision Instituted (← links)
- 05000244/LER-1981-019-03, /03L-0:on 811114,two Full Length Rods Misaligned from Group Step Counter Demand Position by More than 12 Steps.Caused by Inadvertent Actuation of Fire Suppression Sys Due to Personnel Procedural Error (← links)
- 05000244/LER-1981-016-03, /03L-0:on 811105,during Test C,Si Pump Did Not Start W/Bus 16 Breaker.Caused by Closing Circuit Malfunction,Due to Weak Lockout Coil.Qualified Replacement Installed & Tested (← links)
- 05000244/LER-1981-016, Forwards LER 81-016/03L-0 (← links)
- 05000244/LER-1981-017-03, /03L-0:on 811110,several Fire Suppression Sys Had Exceeded 14-day out-of-svc Limit.Caused by Sys Removal from Svc to Perform Mods Required by 10CFR50,App R.Sys to Be Returned to Svc by 811117 (← links)
- 05000244/LER-1981-017, Forwards LER 81-017/03L-0 (← links)
- 05000244/LER-1981-015-01, During Containment Atmosphere Sampling & Analysis,Nonautomatic Primary Containment Isolation Valve Opened.Caused by Procedure Inadequacy.Procedure PC-23.2 Revised (← links)
- 05000244/LER-1981-015, Forwards Updated LER 81-015/01X-1 (← links)
- 05000244/LER-1981-014-03, /03L-0:on 810720,halon Fire Suppression Sys Was Inoperable for More than 14-day Limit.Caused by Lack of Info Re Tech Spec Requirement in Procedures.Procedures Changed to Restore Operability of Sys While Mod Continued (← links)
- 05000244/LER-1981-014, Forwards LER 81-014/03L-0 (← links)
- 05000244/LER-1981-013-03, /03L-0:on 810714,pipe Leakage Noted in Charging Pump Suction Line from Immediate Borate Sys.Probably Caused by Stress Corrosion Cracking.No Exam Possible Until Replacement Completed Next Cold Shutdown (← links)
- 05000244/LER-1981-013, Forwards LER 81-013/03L-0 (← links)
- 05000244/LER-1981-010-03, /03L-0:on 810420,leaking Relief Valve Was Found on Letdown Sys.Caused by Cracked Bellows Due to Increasing Differential Pressure as Result of Crud Buildup.Valve Repaired & Reinstalled (← links)
- 05000244/LER-1981-010, Forwards LER 81-010/03L-0 (← links)
- 05000244/LER-1981-008, Forwards LER 81-008/03L-0 (← links)
- 05000244/LER-1981-009, Forwards LER 81-009/01T-0 (← links)
- 05000244/LER-1981-009-01, /01T-0:on 810515,fifteen Tubes in Steam Generator B Showed Indications.Caused by Concentration of Caustics in Crevices Leading to Intergranular Attack & Wedge Area Defect in One Indication.Tubes Welded or Mechanically Plugge (← links)
- 05000244/LER-1981-011-03, /03L-0:on 810426,small Leak in Fitting of RHR Pump Seal 1B Discovered.Caused by Worn Fitting Threads. Fitting Replaced (← links)
- 05000244/LER-1981-007-03, /03L-0:on 810418,loss of 34.5-kV Supply to Transformer 12 Occurred,Creating Loss of Offsite Power. Caused by Fault in B Phase Vacuum Breaker Switch Which Supplies Spare Transformer 12B (← links)
- 05000244/LER-1981-005-03, /03L-0:on 810302,safety Injection Pump Did Not Start W/Westinghouse DB-50 Air Circuit Breaker 16 During Test C.Caused by Closing Circuit Malfunction.Breaker Replaced & Tested.Investigation Continuing (← links)
- 05000244/LER-1981-003-03, /03L-0:on 810115,during Normal Reactor Coolant Boration,Absence of Boric Acid Flow from a Boric Acid Pump Observed.A Pump Declared Inoperable.Caused by Valve Not Fully Open After Sampling.Valves Will Be Locked Open (← links)
- 05000244/LER-1981-002-03, /03L-0:on 810109,safety Injection Pump C Did Not Start W/Bus Breaker 16.Probable Cause Due to Breaker in off-set Position.Personnel to Be Instructed in Proper Breaker Alignment (← links)
- 05000244/LER-1981-001-03, /03L-0:on 810105,leak Noted on Diesel Emergency Generator B Jacket Cooling Water Return Line to Expansion Tank.Caused by Broken Bushing Due to Possible Lack of Support Connection.Bushing Replaced (← links)
- 05000244/LER-1981-012, Forwards LER 81-012/03L-0 (← links)
- 05000244/LER-1981-007, Forwards LER 81-007/03L-0 (← links)
- 05000244/LER-1981-006, Forwards LER 81-006/03L-0 (← links)
- 05000244/LER-1981-004, Forwards LER 81-004/03L-0 (← links)
- 05000244/LER-1981-003, Forwards LER 81-003/03L-0 (← links)
- 05000244/LER-1981-002, Forwards LER 81-002/03L-0 (← links)
- 05000244/LER-1981-001, Forwards LER 81-001/03L-0 (← links)
- 05000244/LER-1981-019, Responds to NRC Re Violations Noted in IE Insp Rept 50-244/81-24.Corrective actions:LER-81-019 Submitted Reporting 811114 Event Re Inadvertent Actuation of Fire Suppression Sys (← links)