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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

List of results

• 05000311/LER-1982-038-03, /03L-0:on 820503,during Routine Surveillance,Svc Water Flow to Containment Fan Coil Unit 23 Discovered Less than Tech Specs.Caused by Flow Transmitter Plugged W/Silt. Transmitter Blown Down  + (05:01:29, 27 May 2025)
• 05000315/LER-1981-002, Forwards Updated LER 81-002/03X-1 & LERs 82-031/03L-0, 82-032/03L-0 & 82-033/03L-0  + (05:01:30, 27 May 2025)
• 05000306/LER-1982-009-03, /03L-0:on 820505,during Surveillance Testing of SI Pump 22,test Isolation Valve Found Closed.Caused by Improper Restoration of Sys After Maint.Design Change Initiated  + (05:01:34, 27 May 2025)
• ML20053E947  + (05:01:41, 27 May 2025)
• 05000255/LER-1982-012, Forwards Updated LER 82-012/01X-1  + (05:01:47, 27 May 2025)
• 05000311/LER-1982-035-03, /03L-0:on 820501,on Two Occasions,Svc Water Flow to Containment Fan Coil Unit 22 Was Less than Required by Tech Specs.First Caused by Stuck Valve 22sw57;second Caused by Improper Valve Position Due to Loose Nut on Valve Stem  + (05:01:50, 27 May 2025)
• 05000311/LER-1982-036-03, /03L-0:on 820503,containment Fan Coil Unit 21 Failed to Start in Low Speed.Caused by Failed Control Board Pushbutton.Pushbutton Repaired  + (05:01:52, 27 May 2025)
• IR 05000244/1981022  + (05:02:38, 27 May 2025)
• 05000267/LER-1982-018-03, /03L-0:on 820501,essential 480-volt Buses Tie Breaker Would Not Close During Surveillance Test Simulating Loss of Outside Power & Turbine Trip.Caused by Breaker Spring Charging Motor Switch in Off Position  + (05:02:56, 27 May 2025)
• 05000316/LER-1982-043-03, /03L-0:on 820506,operator on Tour Noted Fire Barrier Door 388 Would Not Latch Properly When Closed by Door Closure.Apparently Caused by Normal Usage.Latch Lubricated & Reinstalled.Door Adjusted  + (05:03:06, 27 May 2025)
• IR 05000352/1982007  + (05:03:09, 27 May 2025)
• 05000311/LER-1982-031-03, /03L-0:on 820424,2C Vital Bus Infeed Breaker 22CSD tripped,de-energizing 2C Vital Bus.Caused by Known Noise Problem W/Safeguards Equipment Control Sys.Vital Bus 2C re-energized.Design Change Request 2EC1387 Issued  + (05:03:11, 27 May 2025)
• 05000346/LER-1982-021-03, /03L-0:on 820505,source Range Audible Indicator Signal Lead Found Disconnected.Lead Disconnected During Test Earlier in Day & Reconnection Not Verified.Caused by Procedure Deficiency.Procedure Rewritten  + (05:03:12, 27 May 2025)
• 05000298/LER-1982-010-03, /03L-0:on 820517,diesel Generator 1 & Output Breaker Tripped Shortly After Starting.Caused by Open Contact of Potential Transformer Disconnect Switch Interrupting Voltage to Overcurrent Relay Restraining Coil  + (05:03:15, 27 May 2025)
• 05000311/LER-1982-029-03, /03L-0:on 820423,containment Sump Monitoring Sys Declared Inoperable Due to Containment Sump Pumps Running Continuously Since Previous Day.Caused by Closed Pump Discharge Valve 2WL16 on Breaker 3 in Cabinet 26RC7  + (05:03:16, 27 May 2025)
• 05000285/LER-1982-011-01, /01T-0:on 820521,blowdown Sampling Line for Steam Generator B Inboard Containment Isolation Valve HCV-2507A Found Closed Resulting in Failure to Monitor for Radioactivity.Caused by Inadvertent Closing of Valve  + (05:03:19, 27 May 2025)
• ML20053E825  + (05:03:23, 27 May 2025)
• PNO-IV-82-024, on 820605,while at 15% Reactor Power,Loss of Three Essential 480-volt Buses Occurred.Both Emergency Diesel Generators Started & Sequential Loading Occurred Automatically.Reactor Scrammed Manually  + (05:03:25, 27 May 2025)
• 05000311/LER-1982-033-03, /03L-0:on 820424,control Room Emergency Air Conditioning Sys Fan 21 Tripped & Would Not Start.Caused by Failed Overload Contactor.Contactor Replaced  + (05:03:26, 27 May 2025)
• 05000368/LER-1982-015-03, /03L-0:on 820428,discharge Control Valve 2CV-1036 from Emergency Feedwater Pump B (2P-7B) to Steam Generator B (2E-24B) Failed to Close.Cause Not Determined.Valve Manually Tripped,Recycled & Returned to Svc  + (05:03:28, 27 May 2025)
• ML20053E815  + (05:03:29, 27 May 2025)
• 05000368/LER-1982-015, Forwards LER 82-015/03L-0  + (05:03:31, 27 May 2025)
• ML20053E808  + (05:03:33, 27 May 2025)
• 05000285/LER-1982-012-01, /01T-0:on 820519,auxiliary Feedwater Sys Design & Configuration Found Inadequate to Withstand Loss of Onsite Power W/Subsequent Steam Supply Line to Feedwater Pump FW-10 Failure.Pump FW-6 Not Designed for Harsh Environ  + (05:03:34, 27 May 2025)
• ML20053E803  + (05:03:36, 27 May 2025)

• ML20053E751  + (05:03:56, 27 May 2025)

• ML20053E738  + (05:04:00, 27 May 2025)
• ML20053E729  + (05:04:13, 27 May 2025)
• 05000206/LER-1982-004, Provides Addl Info for LER 82-004 Re Injection of Sodium Hypochlorite Into Cooling Water Sys Above Allowable Limit, Initially Reported 820204.Sys Components Found to Function Correctly.Sys Will Be Continuously Monitored  + (05:04:39, 27 May 2025)
• AECM-82-237, Forwards Status of Concerns Re Design of Mark III Containment,As Result of 820527 Meeting of Util,Ge & Bechtel.Requests Issuance of Low Power OL  + (05:04:57, 27 May 2025)
• ML20053E598  + (05:05:00, 27 May 2025)
• 05000361/LER-1982-016-01, /01L-0:on 820516,during Mode 4 Operation,Two Inverters to Vital Buses de-energized Simultaneously. Followup Rept Will Be Provided by 820615  + (05:05:08, 27 May 2025)
• 05000361/LER-1982-016, Forwards LER 82-016/01L-0.Detailed Event Analysis Submitted  + (05:05:09, 27 May 2025)
• TAC:10142  + (05:05:59, 27 May 2025)
• 05000316/LER-1982-042-03, /03L-0:on 820428,low Pressure Alarm XPA-153 for Emergency Air Supply to NRV-153 Actuated at 628 Psig.Cause Not Stated.Setpoint re-evaluated  + (05:06:18, 27 May 2025)
• IR 05000322/1982004  + (05:07:01, 27 May 2025)
• 05000373/LER-1982-004-03, /03L-0:on 820422,sealing Tubing Under Reactor Bldg Trackway Doors Found Partially Pulled Out.Cause Undetermined.Tubing Replaced.Doors Locked Closed W/Shift Engineer Maintaining Control Over Key  + (05:07:10, 27 May 2025)
• IR 05000010/1982004  + (05:07:20, 27 May 2025)
• IR 05000358/1981027  + (05:07:37, 27 May 2025)
• 05000373/LER-1982-014-03, /03L-0:on 820501,station Stack Flow Recorder Reading Low.Caused by Flow Transmitter Failure.Validyne P232 Flow Transmitter Replaced  + (05:07:42, 27 May 2025)
• 05000311/LER-1982-034-03, /03L-0:on 820501,during Routine Operation,Snubber S23FWSN15A Seized & Declared Inoperable.Cause Under Investigation.Snubber Replaced  + (05:07:47, 27 May 2025)
• 05000373/LER-1982-018-03, /03L-0:on 820504,ultraviolet Fire Detectors to Refuel Floor de-energized to Prevent Damage While Completing Welding on Reactor Side.Welding Completed & Fire Detectors Back in Svc on 820514  + (05:08:02, 27 May 2025)
• 05000286/LER-1982-003-01, /01T-0:on 820415,during Cold Shutdown for Refueling Outage,Surveillance Test 3PC-R4 Indicated That Pressure Transmitters PT-456,PT-457 & PT-474 Were Out of Spec.Transmitters Calibr  + (05:08:12, 27 May 2025)
• 05000237/LER-1982-015-03, /03L-0:on 820511,during Quarterly Surveillance of Msivs,Valve 203-1D Had 2.9-s Closure Time.Caused by Timing Mechanism Drift.Valve Readjusted & Tested Satisfactorily  + (05:08:13, 27 May 2025)
• 05000305/LER-1982-011-03, /03L-0:on 820428,RCS Temp Transmitter Calibr Was in Excess of Tech Spec Limit.Caused by Instrument Drift. Transmitter Recalibr & Tested Satisfactorily  + (05:08:17, 27 May 2025)
• 05000338/LER-1982-029-03, /03L-0:on 820430,fire Doors Between Unit 2 Control Room Chiller Air Handling Rooms Would Not Close & Latch Automatically.On 820505,fire Door Between 1J Emergency Diesel Generator Room & Turbine Bldg Would Not Latch  + (05:08:50, 27 May 2025)
• 05000311/LER-1982-032-03, /03L-0:on 820428,steam Generator Feedwater Pump 21 Tripped,Causing Axial Flux to Go Outside Target Band.Control Rod Low Low Insertion Limit Alarm Received.Caused by Attempted Sabotage  + (05:08:52, 27 May 2025)
• 05000296/LER-1982-016-03, /03L-0:on 820428,EECW Pump A3 Did Not Automatically Start When Diesel Generator 3D Started. Caused by Wiring Error on Relay TD2A on 4-kV Shutdown Board 3EA.Relay Replaced.Personnel to Be Retrained  + (05:09:03, 27 May 2025)
• 05000254/LER-1982-009-03, /03L-0:on 820430,significant Amount of Water Found in Bearing Oil Reservoir of 1-1001-65C RHR Sys Svc Water Pump.Caused by Leaking Seal Packing,Due to Normal Packing Wear.Reservoir Changed & Seals Repacked  + (05:09:16, 27 May 2025)
• 05000311/LER-1982-029-01, /01P-0:svc Water Leak Discovered Inside Containment Bldg on Containment Fan Coil Unit 21.Leak Rate Was 100 Gallons Per Minute.Investigation in Progress  + (05:09:21, 27 May 2025)
• 05000272/LER-1982-025-03, /03L-0:on 820501,steam Generator Wide Range Level Indication 13 Failed Low.Caused by Piece of Solid Wire Shorting Instrument Signal Lead to Conductor Shield.Wire Removed & Channel Satisfactorily Tested  + (05:09:24, 27 May 2025)