Pages that link to "05000298/LER-1979-019, Forwards LER 79-019/01T-0"
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The following pages link to 05000298/LER-1979-019, Forwards LER 79-019/01T-0:
Displaying 50 items.
- ML19207C389 (redirect page) (← links)
- 05000298/LER-1979-031, Has Been Cancelled (← links)
- 05000298/LER-1979-005-03, /03X-1 on 790216:reactor Recirculation Motor Generator Set a Tripped During Normal Operation.Caused by Failure of Level Switch NBI-LIS-58A Due to Corrosion. Corrosion Cleaned from Inside Switch Case & Switch Replaced (← links)
- 05000298/LER-1979-028-03, /03L-0:on 791008,during Insp of Cable Spreading Room,One 4-inch Pipe Sleeve Not Sealed.Caused by Inadequate Control of Fire Seals Installation During Microwave Communications Sys Installation.Sleeve Was Sealed (← links)
- 05000298/LER-1979-028, Forwards LER 79-028/03L-0 (← links)
- 05000298/LER-1979-018-03, /03L-0 on 790706:during Routine Testing,Reactor Vessel Level Indicating Switch NBI-LIS-58A Was Found W/Trip Point Less than Allowed.Caused by Sediments of Dust & Moisture in Auxiliary Switch (← links)
- 05000298/LER-1979-018, Forwards LER 79-018/03L-0 (← links)
- 05000298/LER-1979-015-03, /03X-1 on 790525:breaker 1AS Failed to Close Automatically After Reactor Scrammed.Caused by Improper Operations of Switch 52 in Breaker 1AN.Breaker 1FA Failed to Trip.Caused by Misaligned Trip Coil & Armature (← links)
- 05000298/LER-1979-015, Forwards LER 79-015/03X-1 (← links)
- 05000298/LER-1979-005, Forwards LER 79-005/03X-1 (← links)
- 05000298/LER-1979-009-03, /03L-0 on 790430:four Penetrations Found Leaking Excessively During Local Leak Rate Test.Caused by Defects in Limitorque Operator Torque Switch,Seal Rings & Check Valves. All Defects Repaired (← links)
- 05000298/LER-1979-009, Forwards LER 79-009/03L-0 (← links)
- 05000298/LER-1979-011-03, /03L-0 on 790424:reactor Water Cleanup MO-18 Contactor Failed to Close Manually During Cold Shutdown. Caused by Failure of Auxiliary Contact Mechanism.Repairs Completed Per IE Bulletin 78-05 (← links)
- 05000298/LER-1979-011, Forwards LER 79-011/03L-0 (← links)
- 05000298/LER-1979-008-03, /03L-0 on 790420:breaker 1FA Failed to Trip When Control Switch Operated to Trip.Caused by Failure of Auxiliary Switch Contact Mounted Inside Breaker 1FA to Make Proper Electrical Contact.Breaker Inspected & Cleaned (← links)
- 05000298/LER-1979-008, Forwards LER 79-008/03L-0 (← links)
- 05000298/LER-1979-010-03, /03L-0 on 790424:surface Linear Indication Found in Weld RA5-CF-13,main Steam to a & B RHR Heat Exchangers & HPCI Turbine.Caused by Welding Error.Defect Removed (← links)
- 05000298/LER-1979-010, Forwards LER 79-010/03L-0 (← links)
- 05000298/LER-1979-001-03, /03L-0 on 790103:during Operation,Drywell Atmospheric Radiation Monitor Gas Channel (RMV-RM-4C) Failed Downscale.Caused by Detector Failure Caused by Moisture in Detector Chamber.Detector Replaced;Chamber & Lines Dried (← links)
- 05000298/LER-1979-001, Forwards LER 79-001/03L-0 (← links)
- 05000298/LER-1979-040, Forwards LER 79-040/03L-0 (← links)
- 05000298/LER-1979-040-03, /03L-0:on 791203,while Performing Maint on Backwash Line for Svc Water Pump Strainer,Execessive Erosion Noted in Pressure Boundary Piping.Caused by High Water Velocity & Solids Content of Backwash Line (← links)
- 05000298/LER-1979-039-03, /03L-0:on 791129,suppression Chamber Inboard Vent Isolation Valve PC-230MV Not Operable W/Control Switch & No Position Indication Observed in Control Room.Caused by Random Failure.Rotor Replaced W/Qualified Part (← links)
- 05000298/LER-1979-042-03, /03L-0:on 791223,during Routine Check,Rhr Pump 1D Breaker Found Not Charged.Rhr Pump 1D Could Not Operate. Caused by Loose Screw Holding Wire on Latch Monitoring Switch Preventing Charging Motor Operation.Tightened Screw (← links)
- 05000298/LER-1979-042, Forwards LER 79-042/03L-0 (← links)
- 05000298/LER-1979-039, Forwards LER 79-039/03L-0 (← links)
- 05000298/LER-1979-038-03, /03L-0:on 791130,during Normal Operation, Suppression Chamber Level Instrument PC-LI-12 Failed Downscale.Caused by Failure of Power Supply.Power Supply Replaced & Proper Indication Verified (← links)
- 05000298/LER-1979-038, Forwards LER 79-038/03L-0 (← links)
- 05000298/LER-1979-041-03, /03L-0:on 791206,during Surveillance Testing of HPCI DCIS-76 & 77,HPCI DPIS-76 Went Downscale After Being Placed Back in Svc.Caused by Technician Error.Signal Reset, Valves Opened & Technician Cautioned (← links)
- 05000298/LER-1979-041, Forwards LER 79-041/03L-0 (← links)
- 05000298/LER-1979-035-03, /03L-0:on 791109,during Core Spray Operability Surveillance procedure,CS-MO-12A Valve Would Not Open Electrically.Caused by Failure of Axial Movement on Worm Set Clutch Collar.Valve Repaired (← links)
- 05000298/LER-1979-035, Forwards LER 79-035/03L-0 (← links)
- 05000298/LER-1979-034-03, /03L-0:on 791107,base for Diesel Generator 2 Lube Oil Header to Cam Chain Tensioner Broke.Caused by Hose Proximity to Cam Chain & Tensioner Sprocket.Hose Replaced & Clamped Away from Cam Chain (← links)
- 05000298/LER-1979-034, Forwards LER 79-034/03L-0 (← links)
- 05000298/LER-1979-036-03, /03L-0:on 791110,four Cylinder Sleeves in Diesel Generator 2 Damaged During Surveillance Test.Cause Under Investigation.Damaged Parts Replaced & Cylinders Inspected (← links)
- 05000298/LER-1979-036, Forwards LER 79-036/03L-0 (← links)
- 05000298/LER-1979-037-03, /03L-0:on 791113,diesel Generator 1 Failed to Start.Caused by Silencer Bypass Solenoid Stopping in mid- Position Due to Insufficient Air Supply.Valve Opened & Air Supply Capped.Sys Will Be Modified (← links)
- 05000298/LER-1979-037, Forwards LER 79-037/03L-0 (← links)
- 05000298/LER-1979-033-03, /03L-0:on 791109,surveillance Procedure Re Diesel Generator Operability Not Performed on Diesel Generator 1. Personnel Under Impression Diesel Generator 2 Would Not Be Made Operable.Test Performed Following Day (← links)
- 05000298/LER-1979-033, Forwards LER 79-033/03L-0 (← links)
- 05000298/LER-1979-026-03, /03L-0:on 790912,investigation Found Unidentified Drywell Leak on Reactor Recirculation Pump B.Caused by Failure of Pump Seal at Natural End of Life.Seal Replaced.No Further Action Planned (← links)
- 05000298/LER-1979-026, Forwards LER 79-026/03L-0 (← links)
- 05000298/LER-1979-024-03, /03L-0:on 790831,surveillance Testing Pressure Switch NBI-PS-55D Found W/Trip Point Below Tech Specs.Cause Not Stated.Switch Readjusted to Proper Setpoint & Then Replaced After Unsatisfactory Performance (← links)
- 05000298/LER-1979-024, Forwards LER 79-024/03L-0 (← links)
- 05000298/LER-1979-025-03, /03L-0:on 790912,HPCI Turbine Stop Valve Separated from Actuator at Split Coupling.Caused by Improperly Mfg Split Coupling.Split Coupling Replaced & Installation Procedures Revised (← links)
- 05000298/LER-1979-025, Forwards LER 79-025/03L-0 (← links)
- 05000298/LER-1979-017-03, /03L-0 on 790620:during Review,Observed That Surveillance Procedure 6.2.4.1 Did Not Include Daily Check of Undervoltage Relays or Monthly Functional Testing. Cause Unstated.Procedures Revised (← links)
- 05000298/LER-1979-017, Forwards LER 79-017/03L-0 (← links)
- 05000298/LER-1979-016-03, /03L-0 on 790531:RHR Pump 1A Tripped During Start on Overcurrent in Phase C.Caused by Failure of GE Model 121AC66K8A Overcurrent Relay Operating Disc to Return to Normal Position.Relay Cleaned,Recalibr & Retested (← links)
- 05000298/LER-1979-016, Forwards LER 79-016/03L-0 (← links)