Pages that link to "05000155/LER-1979-025, Anonymous Comment Superimposed on LER 79-025/01X-0"
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The following pages link to 05000155/LER-1979-025, Anonymous Comment Superimposed on LER 79-025/01X-0:
Displayed 48 items.
- ML20054J244 (← links)
- ML20010H857 (← links)
- ML20009A005 (← links)
- 05000155/LER-1979-019-03, /03L-0 on 790418:following Scram & During Routine Primary Sys Leak Rate Testing,Unidentified Leakage Observed at 1.86 Gpm.Apparent Cause Was Cooling Water Temp Transients (← links)
- ML19337A791 (← links)
- ML19332A073 (← links)
- ML19331D167 (← links)
- ML19323J027 (← links)
- ML19305B329 (← links)
- ML19296C525 (← links)
- 05000155/LER-1979-027, Update to LER 79-027/03X-1:on 791115,through Seat Leakage Occurred at Outlet Valve M07053 of Loop 2.Cause Not Determined by Vendor Investigation.Valve Packing Replaced & Valve Stem Gearing Lubricated (← links)
- 05000155/LER-1979-027-03, /03L-0:on 791115 During Power Operation,Emergency Condenser Sys Temps Indicated Leakage at Outlet Valve.Cause Will Be Investigated at Future Shutdown.No Leakage from Primary Sys Occurred (← links)
- 05000155/LER-1979-003-03, /03L-0 on 790204:during Routine Testing of Two Containment Isolation Check Valves,Excessive Leakage Was Noted.Caused by Minor Dirt Deposits in Check Valve Seats.One Valve Cleaned & Other Replaced (← links)
- 05000155/LER-1979-002-03, /03L-0 on 790203:condenser Hotwell Fill Valve CV/4009 Failed to Open During Normal non-safety Usage After Plant Shutdown.Caused by Failed Diaphragm in Valve Operator. Diaphragm Replaced & Tested Satisfactorily (← links)
- 05000155/LER-1979-007-01, /01T-0 on 790222:unacceptable Weld Found in 6 Inlet Line to Emergency Condenser.Identified as 6-ECS-102-2. Will Repair Prior to Startup (← links)
- 05000155/LER-1979-006-01, /01T-0 on 790221:during Weld Insps of Steel Pipe Junctions in Reactor Cleanup sys,crack-like Indications Found on Outside Diameter.Caused by Unknown Factors.Repairs Will Be Performed (← links)
- 05000155/LER-1979-005-01, /01T-0 on 790219:during Testing of Control Rod Drive Scram Accumulator Level Switches,Seven Switches Failed to Operate.Caused by Broken or Marginal Reed Switches. Switches Replaced or Repaired (← links)
- 05000155/LER-1979-004-01, /01T-0 on 790219:insp Revealed Unacceptable Weld in 6 Inch Inlet Line to Emergency Condenser.Caused by External Undercut & Insufficient Weld Filler on Weld External Cap.Will Repair Following Refueling Outage (← links)
- 05000155/LER-1979-015-03, /03L-0 on 790319:during Plant Shutdown,Inverter Power Supply for One Containment Vacuum Loop Was Not Operating.Blown Fuse Found.Caused by Dirty Circuits Due to High Ventilation Air Flow.Unit Cleaned (← links)
- 05000155/LER-1979-016-99, /99X-0 on 790313:during Reinstallation of Electric Fire Pump 480 Volt Circuit Breaker Following Routine Tripping,Breaker Case Was Cracked When Cable Lugs Were Tightened.Caused by Personnel Error.Personnel Instructed (← links)
- 05000155/LER-1979-010-03, /03L-0 on 790221:during Test of Backup Supply Hose for post-incident Heat Exchanger,Hose Would Not Reach Exchanger.Caused by Snow Obstruction.Longer Hose Will Be Provided (← links)
- 05000155/LER-1979-009-03, /03L-0 on 790223:feedwater Check Valve Leakage Exceeded Test Criteria.Incident Repetitive.Caused by Scale Particles on Valve Seat Preventing Tight Seal.Scale Removed & Seat Polished (← links)
- 05000155/LER-1979-008-03, /03L-0 on 790227:starting Time of Emergency Diesel Generator Test Exceeded Criteria.Caused by Use of Fuel Priming Pump Possibly Introducing Air Into Fuel Lines (← links)
- 05000155/LER-1979-008, Forwards LER 79-008/03L-0,79-009/03L-0 & 79-010/03L-0 (← links)
- 05000155/LER-1979-001-03, /03L on 790201:during Testing of Two Containment Ventilation Supply Isolation Valves,Noted Containment Integrity Might Be Jeopardized.Caused by Maladjustment of Valve CV/4097 Disc Seal (← links)
- 05000155/LER-1979-001, Forwards LER 79-001/03L-0 (← links)
- 05000155/LER-1979-020-01, /01T-0 on 790609:vibration Heard in Primary Sys W/Recirculation Pump in Svc.Discovered Diffuser Dislodged in Pump 1 Inlet & Loose Diffuser in Pump 2 Inlet.Caused by Failure of Bolts Holding Diffuser for Reasons Unknown (← links)
- 05000155/LER-1979-020, Forwards LER 79-020/01T-0 (← links)
- 05000155/LER-1979-026-03, /03L-0:on 791101,during Monthly Specific Gravity Checks on Reactor Depressurizing Sys,Battery C,Cell 48 Read Below Tech Spec Limit.Plant in Shutdown Stage.Cause Undetermined.Cell Replaced on 791103 Prior to Plant Startup (← links)
- 05000155/LER-1979-026, Forwards LER 79-026/03L-0 (← links)
- 05000155/LER-1979-022-01, Design Review Revealed That,During Loca,Automatic Initiation of Reactor Scram, Containment Isolation,Core Spray & Reactor Depressurization May Not Function (← links)
- ML19257C279 (← links)
- 05000155/LER-1979-018-01, /01X-1:on 790420,following Maint,Minor Water Leak Observed Between Reactor Vessel & Rod Drive Housing.Caused by Bad Weld.Mechanical Expansion of Drive Housing Against Vessel Wall Sealed Leak Path Accomplished (← links)
- 05000155/LER-1979-018, Forwards LER 79-018/01X-1 (← links)
- 05000155/LER-1979-029-03, /03L-0:on 791215,neither Plant Ventilation Exhaust Fan Operating During 8-minute Planned Activity.Caused by Turning Off Fans to Facilitate Maint.Tech Specs Will Be Revised (← links)
- 05000155/LER-1979-029, Forwards LER 79-029/03L-0 (← links)
- ML19257B428 (redirect page) (← links)
- 05000155/LER-1979-025 (redirect page) (← links)
- ML19254F732 (redirect page) (← links)
- 05000155/LER-1979-028-01, /01T-0:on 791213,design Review of CV4097 & CV4095 Containment Isolation Valves Indicated Valves Might Not Close Under Worst LOCA Pressure Conditions Unless Already Partially Closed.Caused by Inadequate Specs (← links)
- 05000155/LER-1979-028, Forwards LER 79-028/01T-0 (← links)
- 05000155/LER-1979-025-01, /01T-0:on 791030,failure in Electronic Power Supply Prevented Closure of Containment Ventilation Supply Isolation Valves CV4096 & CV4097.Caused by Transistor Failure in Power Supply Es 8501A (← links)
- 05000155/LER-1979-024-03, /03L-0:on 790913,set Points for Pressure Switches on Reactor Depressurizing Sys Pump Discharge Drifted Below Tech Spec Requirement.Cause Not Known.Pressure Switches Were Reset to Trip at 105 Psig (← links)
- 05000155/LER-1979-024, Forwards LER 79-024/03L-0 (← links)
- 05000155/LER-1979-023-03, /03L-0:on 790911,automatic Isolation Valve CV/4027 Exhibited Leakage in Excess of Tech Spec Limit.Caused by Disc Contact Area on Seating Surface Not Providing Tight Shutoff Capability.Seat Was Machined & Valve Was Retested (← links)
- 05000155/LER-1979-023, Forwards LER 79-023/03L-0 (← links)
- 05000155/LER-1979-022, Forwards LER 79-022/01T-0 (← links)
- 05000155/LER-1979-021-03, /03L-0 on 790616:static Inverter Power Supply for One Containment Vacuum Relief Loop Found de-energized. Caused by Blow Input Fuse.Fuse Replaced & Routine Equipment Checks Undertaken (← links)
- 05000155/LER-1979-021, Forwards LER 79-021/03L-0 (← links)