Pages that link to "05000335/LER-1979-018, Forwards LER 79-018/03L-0"
Jump to navigation
Jump to search
The following pages link to 05000335/LER-1979-018, Forwards LER 79-018/03L-0:
Displayed 50 items.
- ML17206A853 (redirect page) (← links)
- ML17206A854 (← links)
- 05000335/LER-1979-032, Forwards LER 79-032/03L-0 (← links)
- 05000335/LER-1979-014-09, Diesel Generator Vendor Notified Util of Potential Failure of Crankshaft Coupling for Cooling Fans on Diesel Generators.Cause Unstated. Couplings Replaced W/Couplings of Improved Design (← links)
- 05000335/LER-1979-028-01, In Cold Shutdown During Hurricane,Cable Fell Into Startup Transformer B.Ac Electrical Sys B de-energized & Diesel Generator Failed to Start.Caused by Delay in B Diesel Binding (← links)
- 05000335/LER-1979-036-03, /03L-0:on 791203,while Operating at Full Power, Control Room Operator Discovered Mb Linear Power Range Channel High Voltage Was Lower than Other Three Channels. Caused by Failed +15 Volt Power Supply.Supply Replaced (← links)
- 05000335/LER-1979-035-03, /03L-0:on 791126,during Surveillance Test,One Channel of Refueling Water Tank Level Had Setpoint Out of Tolerance.Caused by Setpoint Drift in Channel Circuit. Setpoint Readjusted (← links)
- 05000335/LER-1979-033-03, /03L-0:on 791119,during Surveillance Insp,Some Degradation Identified on Fire Barriers.Caused by Insufficient QC During Plant Const & Backfit Work.Fire Barriers Repaired & Responsible Individual Notified (← links)
- 05000335/LER-1979-034-03, /03L-0:on 791123,while Performing Aerial Radiological Measurements & Survey Test,Containment Isolation Sys Channel Would Not Trip on High Radiation Signal.Caused by Failure of Action Pak.Action Pak Replaced (← links)
- 05000335/LER-1979-032-03, /03L-0:on 791016,during Plant Test of Emergency Diesel Generator 1A,generator Failed to Indicate Voltage or Frequency After Engine Started.Caused by Failed Voltage Regulator Surge Suppressor SP-3.Suppressor Replaced (← links)
- 05000335/LER-1979-015-03, /03L-1:on 790507,RCS Boron Concentration Was Below Tech Spec Limit.Caused by Vendor Workers Unknowingly Cutting Steam Generator During Rim Cut Mods.Tubes Plugged & Concentration Restored (← links)
- 05000335/LER-1979-031-01, /01T-0:on 790927,during Planned Shutdown,Qc Check of Installation of Safety Injection Tank Sample Lines Showed Four Raceway Clips Welded to Vessel Wall.Caused by Contractor (← links)
- 05000335/LER-1979-029-03, /03L-0:on 790917,level Transmitter on Safety Injection Tank 1B1 Drifted Out of Calibr & Tank Level Dropped Below Tech Spec Limit.Cause Undetermined.Level Indicator Adjusted & Transmitter Recalibr (← links)
- 05000335/LER-1979-030-01, /01T-0:on 790921,discovered as-built Design Specs for Steam Generator Were Not Used by NSSS Vendor to Establish Instrument Span for Measuring Steam Generator Level.No Cause Given.Low Level Trip Setpoint Raised to 39% (← links)
- 05000335/LER-1979-027-03, /03L-0:on 790806,control Element Assembly 65 Dropped While Periodic Exercise Surveillance Test Was Being Performed.Caused by Apparent Design Deficiency W/Control Element Drive Sys.Procedure Change Request Submitted (← links)
- 05000335/LER-1979-026-03, /03L-0:on 790801,minus 18 Volt Power Supply Found at Minus 13 Volts.Cause Unknown;Probably Normal end-of-life Failure of Electronic Component.New Power Supply Installed. No Addl Action Required (← links)
- 05000335/LER-1979-025-03, /03L-0 on 790720:variable High Power Trip Setpoint in Core Protection Calculator Failed to Track Reactor Power. Caused by Power Supply in Core Protection Calculator Failing Due to Filter Capacitor Failure (← links)
- 05000335/LER-1979-023-03, /03L-0 on 790702:control Element Assembly 33 Would Not Withdraw Due to Presence of Fullout Position Indication.Caused by Faulty Upper Electric Limit Reed Switch (← links)
- 05000335/LER-1979-022-03, /03L-0 on 790627:during Periodic Surveillance, Testing Auxiliary Feedwater Pump Failed to Start.Cause Could Not Be Determined.Condensation in Steam Line May Have Delayed Starting Enough to Mislead Operator (← links)
- 05000335/LER-1979-020-03, /03L-0 on 790614:auxiliary Feedwater Pump 1c Failed to Start Due to Failure of Steam Inlet Valve.Caused by Unknown Factor.Valve Operated Normally After Being Manually Cycled (← links)
- 05000335/LER-1979-021-01, /01T-0 on 790625:General Motors Notified Util That Turbocharger Thrust Bearing Could Be Damaged by Hot Starts W/Lube Oil Over 160 F.Vendor Recommends Eliminating Nonemergency Hot Starts While New Design Is Developed (← links)
- 05000335/LER-1979-019-03, /03L-0 on 790605:control Element Assembly Dropped Four Times within 2-h Period.Caused by Failure of Coil Power Programmer Timing Module.Module Replaced (← links)
- 05000335/LER-1979-018-03, /03L-0 on 790508:during Routine Diesel Generator Maint,Valves Installed on Engine Crankcase Oil Drain Line Prior to Performance of Written Safety Evaluation.Caused by Failure to Follow Procedures (← links)
- 05000335/LER-1979-017-03, /03L-0 on 790509:1B Charging Pump Casing Block Contained Several Internal Cracks Centered Around Pressure Chambers.Caused by Suction Cavitation Resulting in Vibration.Pump Block Replaced (← links)
- 05000335/LER-1979-016-01, /01T-0 on 790524:during as-built Verification Insp of Restraints on Component Cooling Water Sys Piping,Four Seismic Restraints Found Installed at Wrong Locations. Caused by Improper Installation During Plant Const (← links)
- 05000335/LER-1979-014-03, /03L-0 on 790409:notified by Vendor That Crankshaft Coupling for Cooling Fans Used on Diesels Failed in Other Applications.Couplings Replaced W/Couplings of Improved Design,Under Directions from Diesel Vendor (← links)
- 05000335/LER-1979-009-03, /03L-0 on 790305:control Element Assembly 2 Would Not Withdraw Fully from Misalignment to Check Control Element Assembly Position Alarms.Caused by Faulty Upper Electric Limit Reed Switch.Switch Will Be Replaced (← links)
- 05000335/LER-1979-013-03, /03L-0 on 790331:during Surveillance Testing of 1A Diesel generator,solenoid-operated Fill Valve for Engine Mounted Fuel Oil Tank Failed to Open,Causing Tank Level to Drop Below Limit.Caused by Burnt Contacts in Relay (← links)
- 05000335/LER-1979-011-03, /03L-0 on 790316:during Power Operation, 1C Charging Pump Found to Have Cracked Pump Casing.Caused by Vibration Due to Suction Cavitation on Pumps.Suction Dampening Devices Will Be Installed (← links)
- 05000335/LER-1979-012-03, /03L-0 on 790316:during Operation,Control Element Assembly Slipped 10 Inches While Selecting Position Readout on Secondary Position Display Backup.Cause Undetermined. Assembly Quickly Returned to Original Position (← links)
- 05000335/LER-1979-010-03, /03L-0 on 790311:during Power Operation,Control Element Assembly 62 Slipped Twice.Caused by Faulty 15 Volt Power Supply.Supply Replaced (← links)
- 05000335/LER-1979-008-03, /03L-0 on 790222:during Surveillance Testing of 1B Diesel Generator,Fuel Oil Tank Level Indicator Found Stuck.Afterwards,Actual Tank Level Was 135 Gallons Below Limit.Caused by Stuck Indicator Which Was Repaired (← links)
- 05000335/LER-1979-008, Forwards LER 79-008/03L-0 (← links)
- 05000335/LER-1979-007-03, /03L on 790222:while Performing Valve Lineup to Raise Water Level in 1B1 Safety Injection Tank (SIT),low-low Level Alarm Aunuciated for 1B2 Sit.Caused by Leakage of Fill & Drain Valve for 1B2 SIT (V3641) (← links)
- 05000335/LER-1979-007, Forwards LER 79-007/03L-0 (← links)
- 05000335/LER-1979-005-03, /03L-0 on 790208:steam Driven Auxiliary Feedwater Pump 1C Failed to Start.Caused by Tripped Overspeed Trip Mechanism.Reason for Trip Is Unknown (← links)
- 05000335/LER-1979-006-03, /03L-0 on 790209:control Element Assembly Fell to Core Bottom.Caused by Failed Power Supply Unit.Faulty Unit Replaced (← links)
- 05000335/LER-1979-004-03, /03L-0 on 790205:discovered Two Misalignments in Control Element Assembly.Caused by Faulty Upper Electric Limit Reed Switches.Faulty Switches to Be Replaced During Next Refueling Outage (← links)
- 05000335/LER-1979-001-03, /03L-0 on 790123:2 Control Element Assemblies on Drive Mechanism 43 Stuck 8 Withdrawn When Tripped.Caused by Mechanical Interference or Yoke Misalignment.Motor Housing Removed & Control Element Assembly Freed (← links)
- 05000335/LER-1979-003-01, /01T-0 on 790206:boron Concentration Fell Below Tech Spec Min.Caused by Improper Flushing After Partial Fill Before Startup.Proper Techniques Reemphasized to Personnel (← links)
- 05000335/LER-1979-014, Forwards Revised LER 79-014/09L-1 (← links)
- 05000335/LER-1979-028, Forwards Updated LER 79-028/01X-1 (← links)
- 05000335/LER-1979-036, Forwards LER 79-036/03L-0 (← links)
- 05000335/LER-1979-035, Forwards LER 79-035/03L-0 (← links)
- 05000335/LER-1979-033, Forwards LER 79-033/03L-0 (← links)
- 05000335/LER-1979-034, Forwards LER 79-034/03L-0 (← links)
- 05000335/LER-1979-015, Forwards Updated LER 79-015/03L-1 (← links)
- 05000335/LER-1979-031, Forwards LER 79-031/01T-0 (← links)
- 05000335/LER-1979-029, Forwards LER 79-029/03L-0 (← links)
- 05000335/LER-1979-030, Forwards LER 79-030/01T-0 (← links)
- 05000335/LER-1979-027, Forwards LER 79-027/03L-0 (← links)