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 Issue dateTitleTopic
ML20042A6839 March 1982LER 82-006/03L-0:on 820207,power Range Nuclear Instrumentation Channel N 43 Indicated High & Then Became Erratic.Cause Not Given.Channel Returned to Normal During Operation.Instrumentation to Be Closely Monitored
ML20049A80721 September 1981LER 81-020/03L-0:on 810821,during Normal Operation,Control Rod G-3 Dropped Into Core,Initiating Turbine Runback.Caused by Spray from Leaking Plug Needle Valve on Control Rod H-2, Causing Coil Stack Connector to Fault.Connector Repaired
ML20050B29919 March 1982LER 82-009/01T-0:on 820305,during Power Operation,Nitrogen Pressure Reduction Required Corrective Measures to Prevent Operation in Manner Less Conservative than Assumed in Fsar. Caused by Malfunction of Nitrogen Regulator ValvesBoric Acid
ML20050B31419 March 1982LER 82-007/03L-0:on 820217,during Visual Insp of Number 21 Battery Cell,Number 31 Cell Found Leaking & Exhibiting Low Electrolyte Level.Caused by Cell Casing Crack Due to Expansion of Positive Plates.Cell Replaced
ML20050B34323 March 1982LER 82-013/03L-0:on 820221,during Normal Operational Testing,Number 23 Svc Water Pump Indicated Vibration of 4.6 Mils.Caused by High Vibration in Pump Gland Seal Area. Packing & Latern Ring Removed,Inspected & Pump Repacked
ML20050C08224 March 1982LER 82-010/01T-0:on 820310,determined That Existing Operating Procedures Required Necessary Safeguards Equipment to Be Operable Prior to Bringing Reactor Critical But Did Not Establish Specific Requirements in Hot Shutdown
ML20050D52526 March 1982LER 82-008/03L-0:on 820224,during Routine Insp,Three Lines in Rack 15 of Weld Channel & Containment Penetration Sys Were Isolated.Cause Not Stated.Affected Lines Promptly Returned to Svc & Sys Checked to Assure Proper line-ups
ML20052B86319 April 1982LER 82-014/03L-0:on 820320,valve 267A Found Leaking.Two Boric Acid Transfer Pumps & Boric Acid Storage Sys Isolated in Order to Isolate Valve for Repairs.Caused by Diaphragm Failure.Valve RepairedBoric Acid