Pages that link to "05000155/LER-1978-044, Forwards LER 78-044/01X-1"
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The following pages link to 05000155/LER-1978-044, Forwards LER 78-044/01X-1:
Displayed 50 items.
- 05000155/LER-1978-032, Forwards LER 78-032/03L-0.W/o Encl (← links)
- 05000155/LER-1978-032-03, /03L-0 on 780819:Failure of Check Valve Providing Containment Integrity in 2 Demineralized Water Line Contributed to Containment of Plant Demineralized Water Sys Check Valve Repaired 780905 (← links)
- 05000155/LER-1978-034-03, /03L-0 on 780831:during Monthly Specific Gravity Readings on Reactor Depressurization Sys,Battery A,Cell 12 Read 1.193 Below Limit of 1.200 Specified in Tech Specs. Cause Unknown & Cell Was Replaced.(Encl to 7810060072) (← links)
- 05000155/LER-1978-033-03, /03L-0 on 780829:during Tests of Automatic Containment Isolation Valves,Valve CV/4027 Exhibited Excessive Leakage.Valve & Piping Flushed & Leakage Test Repeated Satisfactorily.(Encl to 7810060072) (← links)
- 05000155/LER-1978-033, Forwards LER 78-033/03L-0 (← links)
- 05000155/LER-1978-035-01, /01L on 780904:During Test of Containment Ventilation Isolation Valves,Supply Valve CV/4097 Leaked in Excess of TS Criteria.Butterfly Valve Disc Seal Was Readjusted & Valved Returned to Svc. (Encl to 7809190156) (← links)
- 05000155/LER-1978-035, Forwards LER 78-035/01L & LER 78-037-01L on 780906 (← links)
- ML20039B295 (← links)
- 05000155/LER-1978-011-01, /01T-0:on 780217,during Equipment Review, Unqualified Scram Pilot Solenoid Valve NC-27B Was Found Installed in F2 Drive Scram Valve Sys.Pilot Solenoid Was de-energized & Exhaust Function Verified (← links)
- 05000155/LER-1978-012-01, /01T-0:on 780217,during Equipment Review,Pilot Solenoid Valve SV-879 Was Deemed Inadequate to Perform in Postulated Accident Environ.Pilot Solenoid Is de-energized & Will Be Mainted in Safe Condition Until Mods Completed (← links)
- 05000155/LER-1978-003-01, /01T-0:on 780120,during Routine Leak Rate Testing of Containment Ventilation Isolation Valves,Supply Valve CV-4097 Leaked in Excess of Tech Specs.Caused by Valve Disc Out of Alignment & Misadjusted Disc Ring (← links)
- 05000155/LER-1978-028-03, /03L-0:on 780605,emergency Condenser Outlet Valve MO-7053 Deemed Automatically Inoperable in Closed Position After Manual Tightening of Valve to Stop Leakage.Cause of Leakage Unknown & Will Be Investigated at Future Shutdown (← links)
- 05000155/LER-1978-005-03, /03L-0:on 780203,during Plant Startup,Proper Offgas Sample Monitor Flow Could Not Be Established Using Flow Control Valves in Sample Sys.Probably Caused by Inadequate Cleaning of Flow Instrument by Maint Personnel (← links)
- 05000155/LER-1978-006-03, /03L-0:on 780208,following Abnormal Test Light Indication on Reactor Depressurization Sys Control Sys,One Loop of Sys Channel D Was Made Inoperable to Isolate Cause of Abnormal Indication.Cause Not Stated (← links)
- 05000155/LER-1978-009-03, /03L-0:on 780215,following Abnormal Test Light Indication on Reactor Depressurization Sys Control Sys, Each of Four Depressurization Loops Was Made Inoperable to Isolate Cause of Indication.Cause Not Stated (← links)
- 05000155/LER-1978-029-03, /03L-0:on 780606,daily Unidentified Primary Sys Leakage Exceeded Allowable Limits.Caused by Drive Flange O Ring Seal Deterioration.Degradation Will Be Investigated & Repaired During Future Outage (← links)
- 05000155/LER-1978-026-03, /03L-0:on 780531,following Scram While Still in Power Operation,Condensate Storage Tank Dropped to 61% While Steam Drum Water Inventory Was Maintained by Manual Control. Caused by Personnel Oversight (← links)
- 05000155/LER-1978-002-03, /03L-0:on 780119,during Monthly Specific Gravity Readings in Reactor Depressurization Sys Battery A,Cell 12 Read Lower than Tech Spec Limit.Caused by Loss of Electrolyte Through Sampling.Electrolyte Added (← links)
- 05000155/LER-1978-002, Forwards LER 78-002/03L-0 (← links)
- 05000155/LER-1978-017-03, /03L-0:on 780320,during Period of Reduced Power, Control Rod Drive F-2 Scram Pilot Valve Control Switch Was Reset from Tripped Position Contrary to Instructions.Cause Due to Vague Instructions.Procedures Under Review (← links)
- 05000155/LER-1978-030-03, /03L-0:on 780712,channel B of Reactor Depressurization Sys Removed from Svc After Trouble Alarm When Battery for Loop Placed on Overcharge.Caused by Blown Fuse Due to Diode Failure in Annunciator Circuitry (← links)
- 05000155/LER-1978-030, Forwards LER 78-030/03L-0 (← links)
- 05000155/LER-1978-025-03, /03L-0:on 780525,electrolyte Level Found Below Top of Plates in Cells 1 & 6 of Diesel Fire Pump Battery Unit 1. Caused by Failure to Maintain Normal Electrolyte Levels. Personnel Instructed to Fill Opening Ring to Provide Ma (← links)
- 05000155/LER-1978-025, Forwards LER 78-025/03L-0 (← links)
- 05000155/LER-1978-001-03, /03L-0:on 780109,diesel Fire Pump Starting Time Exceeded Core Cooling Criteria.Caused by Cold Weather Conditions.Ventilation Louvers in Screen House Sealed to Reduce Heat Loss in Room.Item Added to Cold Weather Checks (← links)
- 05000155/LER-1978-001, Forwards LER 78-001/03L-0 (← links)
- 05000155/LER-1978-021-03, /03L-0:on 780415,during Reactor Power Operation, Reduced Capacity Operation of 138 Kv Offsite Power Source Occured.Caused by Authorized Mods to Offsite Electrical Substation.No Corrective Action Required (← links)
- 05000155/LER-1978-022-03, /03L-0:on 780417,138 Kv Line Was de-energized Due to Switching Error.Caused by Deficient Procedure.Switching Procedure Review Requirements Modified by Offsite Personnel (← links)
- 05000155/LER-1978-016-03, /03L-0:on 780320,daily Primary Leakage Exceeded Allowable Limit.Cause Not Stated.Excess Leakage Classified as Identified.Flange O Rings Will Be Replaced During Future Outage (← links)
- 05000155/LER-1978-023-03, /03L-0:on 780504,during Routine Weekly Checks of Fire Pump Diesel Starting Battery a Electrolyte Level Found Below Top of Plates in Cells 1,3 & 5 of Battery Unit 1.Cause Unknown.Battery Unit 2 Replaced on 780516 (← links)
- 05000155/LER-1978-023, Forwards LER 78-023/03L-0 (← links)
- 05000155/LER-1978-020-03, /03L-0:on 780411,during Power Operation,Off Gas Monitor Sample Flow Was Low & Radiation Monitoring Sys Deemed Inoperable.Caused by Foreign Deposits on Needle Valve Sample Flow Control.Valves Will Be Cleaned Regularly (← links)
- 05000155/LER-1978-018-03, /03L-0:on 780406,one of Two Low Drum Scram Sensors in Each of Two Reactor Protection Channels Failed to Operate.Caused by Binding of Switch/Pointer Mechanism on Scale Plate Inside Cover.New Cover & Scale Plate Installed (← links)
- 05000155/LER-1978-014-03, /03L-0:on 780311,operator Observed Test Enable Light Indication on Actuation Channel a of Reactor Depressurization Sys.Caused by Defective Electronic Module in Sensor Channel D.Module Repair in Progress (← links)
- 05000155/LER-1978-004-03, /03L-0:on 780202,emergency Diesel Generator Overall Response Time Exceeded Required Starting Time of 13.9-s.Cause Undetermined.Maint Personnel Continuing Observation of Starting Characteristics (← links)
- 05000155/LER-1978-019-03, /03L-0:on 780406,during Investigation of Anomalies Re Load Rejection & Scram from Reduced Condenser Vacuum, Switch PS652 Was Found Out of Tolerance.Caused by Minor Drift.Switch Recalib & Tested (← links)
- 05000155/LER-1978-013-03, /03L-0:on 780309,following Abnormal Indication on Automatic Test Circuit for Reactor Depressurizing Sys, Channel D Actuation Cabinet Removed from Svc to Facilitate Trouble Shooting (← links)
- 05000155/LER-1978-003, Forwards LER 78-003/01T-0 (← links)
- 05000155/LER-1978-015-32, /03L-0:on 780223,potentially Submerged Electrical Circuitry for Reactor Containment Water Level Indication Was Deemed Marginal by Evaluation.Caused by Original Const.Cable Splicing Retaped W/Waterproof Rubber Tape (← links)
- 05000155/LER-1978-015, Forwards LER 78-015/03L-0 (← links)
- ML19318D018 (← links)
- ML19296D081 (← links)
- ML19296D076 (← links)
- 05000155/LER-1978-048-03, During Power Operation, Noted Emergency Condenser Shell Side Temp Was 205 F.Temp Returned to Normal Levels When Inlet Valve in Loop 2 Closed. Caused by Improperly Fitted Gate Valve Disc (← links)
- 05000155/LER-1978-048, Forwards Updated LER 78-048/03X-1 (← links)
- ML19290E357 (← links)
- 05000155/LER-1978-044-01, /01X-1 on 781019:during Startup,Minor Leak Discovered at 3/4 Inch Vent Pipe Weld Attachment on 3 Inch Return Line from clean-up Sys to Reactor Recirculating Loop 2.Caused by Crack in Stainless Steel.Code Repairs Made (← links)
- ML19263C912 (redirect page) (← links)
- 05000155/LER-1978-044 (redirect page) (← links)
- ML19256A120 (redirect page) (← links)
- 05000155/LER-1978-047-03, During Plant Startup, Control Rod Drive Temp on Drive E-2 Exceeded Tech Specs. Caused by Failure of Metal O-Ring Seal at Flange.New Seal Ring Installed Prior to Plant Startup.All O-Rings Replaced (← links)