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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

• 05000324/LER-1982-064-03, While Performing Diesel Generator 3 Monthly Load test,PT-12.2C,diesel Tripped & Locked Out Due to Increase in Temp.Caused by Closed Diesel Jacket Water HX Inlet Valve.Valve Reopened  + (14:08:01, 26 May 2025)
• 05000325/LER-1983-007-03, During Extended Refueling Outage,One Fuel Bundle Located Around Control Rods 22-15, 34-23,34-27 & 26-43.Caused by Procedual Inadequacy.Rods Inserted & Procedure Revised  + (14:08:06, 26 May 2025)
• 05000373/LER-1983-006-01, Cracks Discovered in MSIV 1B21-F028A Drain Line Weld.Caused by Improper Weld Application.Weld Repaired.New Weld Ground Down to Eliminate Notches Between Passes & Magnetic Particle Tested  + (14:08:12, 26 May 2025)
• 05000324/LER-1982-064, Forwards Updated LER 82-064/03L-1  + (14:08:14, 26 May 2025)
• 05000316/LER-1983-026-01, /01T-0:on 830224,containment Fire Detection Sys Surveillance Had Not Been Performed within Required Allowable Time.Caused by Personnel Error.Computer Scheduling Updated to Include All Control & Surveillance Tests  + (14:08:22, 26 May 2025)
• 05000366/LER-1983-011-03, /03L-0:on 830210,during Shift Surveillance Check Procedure,Drywell Torus Temp Recorder Found Inoperable. Caused by Failed Internal Parts.Parts Replaced  + (14:08:29, 26 May 2025)
• 05000366/LER-1983-009-03, /03L-0:on 830212,RCIC Trip & Throttle Valve Failed to Manually Trip.Caused by Failed Torque Switch in Limitorque Valve Operator.Torque Switch Replaced.Rcic Trip & Throttle Valve Reset  + (14:08:33, 26 May 2025)
• 05000362/LER-1983-038-03, /03L-0:on 830511,spray Sys Protecting Cable Tunnel Section 3 Declared Inoperable When Internals to Deluge Panel 3TSH8951 Found Corroded.Caused by Water Intrusion Due to Improper Closure of Panel  + (14:08:36, 26 May 2025)
• 05000275/LER-1983-009-03, /03L-0:on 830505,power Switch to Plant Vent Iodine Sampler (RE-24) Found in Off Position.Power Switch Inadvertently Moved to Off Position During Const.Const Personnel Cautioned  + (14:08:38, 26 May 2025)
• 05000335/LER-1983-006-03, /03L-0:on 830121,during Periodic Control Element Assembly (CEA) Exercise,Cea 43 Slipped.Cause Not Determined. CEA 45 Has Operated Normally Since Event  + (14:08:42, 26 May 2025)
• 05000321/LER-1983-011-03, /03L-0:on 830204,during Performance of Sys Walkdown,Circuit Which Supplies Essential Control Power to Trip Circulating Water Pump Feeder Breakers Found Terminated.Caused by Improper Const Installation  + (14:08:47, 26 May 2025)
• 05000348/LER-1983-006-01, /01T-0:on 830215,both Trains of Common Control Room Filtration Unit Penetration Room Filtration Sys Carbon Filters Train a Failed to Meet Criteria for Iodine Removal Efficiency.Caused by Misinterpretation of Reg Guide 1.52  + (14:08:50, 26 May 2025)
• 05000324/LER-1983-017-03, /03L-0:on 830126,during Standby Gas Treatment Sys Heater Check,One Heater Element in Treatment Sys a Found Inoperable.Caused by Damaged Power Supply Cable Terminal Lug Ring.Lugs Checked for Proper Tightness  + (14:08:52, 26 May 2025)
• 05000327/LER-1994-012, :on 940715,discovered That Containment Bldg Penetration Surveillance Not Implemented in Instructions as Required by TS SR 4.9.4.Caused by Inadequate Procedure Rev. Surveillance Instructions Revised  + (14:08:54, 26 May 2025)
• 05000327/LER-1994-011, :on 940715,manual Reactor Trip Was Initiated Due to Loss of Reactor Coolant Pump.Caused by Personnel Error.Failed Components Were Replaced & Controller Was Tested,Calibrated & Returned to Service  + (14:08:58, 26 May 2025)
• 05000346/LER-1983-011-03, /03L-0:on 830211,auxiliary Feedwater Pump Turbine 2 Overspeed Trip Alarm Sounded.Caused by Personnel Error. Personnel Bumped Turbine Overspeed Trip Linkage Causing Trip of Trip Throttle Valve When Removing Case Guards  + (14:08:59, 26 May 2025)
• 05000373/LER-1983-012-03, /03L-0:on 830210,during LIS-R1-03,RCIC Leak Detection Temp Switch Setpoints Found Out of Calibr.Caused by Defective Calibr Instrument.Temp Switches Recalibr.Calibr Instrument Replaced  + (14:09:01, 26 May 2025)
• 05000327/LER-1994-003, :on 940310,errors Identified in Two Separate SIs Resulted in Failure to Comply W/Two TS Srs.Caused by Inadequate procedure-rev Reviews.All Operations SIs Reviewed to Ensure Spec SRs Properly Ref  + (14:09:06, 26 May 2025)
• 05000361/LER-1983-051-03, /03X-0:on 830501,control Room Complex Isolation Dumper 2/3HV9702 Did Not Close as Required on Spurious Tgis. Caused by Dirt on Reset Relay.Relays Cleaned  + (14:09:13, 26 May 2025)
• 05000328/LER-1983-017-03, /03L-0:on 830201,at 100% Power,Containment Pressure for Annulus Discovered to Be Greater than +0.3 Psi. Caused by Normal Air Leakage Into Containment W/O Venting. Personnel Reminded to Vent Containment  + (14:09:18, 26 May 2025)
• 05000325/LER-1983-006-03, Insert/Withdrawal Position & Drive Power Indication for Source Range & Immediate Range Monitors Discovered Inoperable.Caused by Blown Control Power Supply Fuse F13.Fuse Replaced  + (14:09:20, 26 May 2025)
• 05000328/LER-1983-015-03, /03L-0:on 830202,one Containment Sump Level Channel 2-LT-63-176 Declared Inoperable Due to Failing High. Caused by Air Bubble in oil-filled Ref Sense Line from Bellows to Transmitter.Channel Recalibr & Returned to Svc  + (14:09:23, 26 May 2025)
• 05000366/LER-1983-003-03, /03L-0:on 830214,drywell 2(HO) B Analyzer Would Not Calibr.Cause Not Stated.Sample Pump Head Assemblies & Diaphragms Replaced & Bypass Check Valves Cleaned.A & B Analyzers Will Be Replaced W/Improved Model  + (14:09:24, 26 May 2025)
• 05000324/LER-1983-019-01, /01T-0:on 830210,while Performing Drywell Insp, Instrument Air Tubing to Safety Relief & ADS Valve Accumulators Inadequately Supported.Caused by Inadequate Controls to Ensure Support Design Compliance  + (14:09:26, 26 May 2025)
• 05000324/LER-1983-020-03, /03L-0:on 830129,primary Containment Atmosphere Oxygen Analyzer 2-CAC-AT-1263-2 Indicated 0.5% Step Decrease in Drywell Oxygen Concentration.Caused by Zero Shift in Instrument Magnetic Analyzer 1263-2.Analyzer Replaced  + (14:09:28, 26 May 2025)

• 05000327/LER-1983-019-03, /03L-0:on 830202,RPI for Rod D-14 of Shutdown Bank a Declared Inoperable Due to Bottom Light Going on & Off. Caused by Open Primary Cable Circuit Due to Loose Connector on Reactor Head.Connector Tightened & RPI Returned to S  + (14:09:30, 26 May 2025)

• ML20072D233  + (14:09:43, 26 May 2025)
• 05000298/LER-1994-013, :on 940712,reactor Scram & Group Isolations Occurred Due to Spurious Trip of Reactor Vessel Level Instruments.Caused by Leaking Solenoid Valve in Ref Leg Injection Sys.Valve Replaced  + (14:09:55, 26 May 2025)
• 05000361/LER-1983-060-01, /01T-0:on 830529,hourly Instead of Continuous Fire Watch Established & Backup Fire Suppression Equipment in Place Until Zone 5 Deluge Water Spray Sys Returned to Svc. Caused by Inadequate Procedures  + (14:10:02, 26 May 2025)
• 05000414/LER-1994-003-02, :on 940710,turbine Runback Occurred Following Manual Trip of Malfunctioning Main Feedwater Pump.Caused by Performance of CF System Following Level Recovery.Evaluated Systems Interactions & Responsiveness  + (14:10:05, 26 May 2025)
• ML20072C941  + (14:10:07, 26 May 2025)
• ML20072C937  + (14:10:09, 26 May 2025)
• ML20072C931  + (14:10:11, 26 May 2025)
• 05000328/LER-1983-073-03, /03L-0:on 830517,shield Bldg Exhaust Gaseous Effluent Radiation Monitor O-RM-90-100 Failed to Meet Surveillance Requirements.Caused by Weak Photomultiplier Tube.Tube Replaced  + (14:10:13, 26 May 2025)
• 05000280/LER-1983-023-03, /03L-0:on 830513,steam Generator Blowdown Released to Discharge Canal W/O Monitor.Caused by Procedures Not Requiring Flow Verification in Radiation Monitor. Blowdown Checklist Will Be Modified  + (14:10:15, 26 May 2025)
• 05000373/LER-1983-051-03, /03L-0:on 830513,VC Chlorine Detector B Tripped & Would Not Reset.Caused by Loose Ground Wire on Circuit Board.Wire Tightened  + (14:10:49, 26 May 2025)
• 05000293/LER-1981-058-01, During Refuel Outage, Cable Spreading Room Carbon Dioxide Sys Declared Inoperative Following Abort of Special Operability Test.Caused by Design Deficiency.Halon 1301 Flooding Sys Installed  + (14:10:56, 26 May 2025)
• 05000318/LER-1982-055-03, Vital Ac Inverter 22 Failed,Causing 120-volt Ac Vital Bus 22 to Deenergize.Caused by Improper Vital Instrument Bus Fuses.Proper Fuses Installed  + (14:11:10, 26 May 2025)
• 05000317/LER-1979-031-01, During Followup Testing on Efs Actuation Sys Undervoltage Logic Circuit A,15-volt Dc Power Supplies to Undervoltage Logic a & B Would Not Respond When Signaled  + (14:11:34, 26 May 2025)
• TXX-9416, Provides Addl Info to Suppl Ltr Re Inservice Test Program  + (14:12:02, 26 May 2025)
• 05000318/LER-1980-023-03, Steam Generator Isolation Signal Block B Permitted Steam Generator Isolation Signal B to Be Blocked & Loci Sequencer Alarmed.Caused by Voltage Disturbance in Inverter Output  + (14:12:07, 26 May 2025)
• RBG-12-860, Final Deficiency Rept DR-53 Re Bf Shaw Rolled Plate Pipe Rejected for Incomplete Documentation & Radiographs. Initially Reported on 820524.Deficiency Determined Not Reportable Per 10CFR50.55(e)  + (14:12:37, 26 May 2025)
• ML20072C113  + (14:12:59, 26 May 2025)
• LD-83-051, Summarizes 830425 Meeting W/Nrc Re Natural Circulation Cooldown Analysis for CESSAR-F.Reanalysis to Be Submitted by 830729  + (14:14:19, 26 May 2025)
• ML20072B408  + (14:14:24, 26 May 2025)
• TAC:08089  + (14:15:02, 26 May 2025)
• 05000366/LER-1981-098-03, RHR Svc Water Pumps B & D Found Incapable of Establishing Required Flow.Caused by Damaged Cavitrol V Trim in HX Discharge Valve  + (14:15:16, 26 May 2025)
• 05000346/LER-1982-020, Forwards Revised LER 82-020/03X-1  + (14:15:57, 26 May 2025)
• A830006, Identifies Proprietary Portions of Technical Evaluation Repts Re Safety Evaluation for Environ Qualification of safety-related Electrical Equipment,Per NRC  + (14:16:09, 26 May 2025)
• TAC:51577  + (14:17:03, 26 May 2025)
• 05000334/LER-1982-012-01, Total of Seven Overstressed Pipe Supports Found Upstream of Main Steam Line Containment Isolation Valves.Caused by Failure to Include Branch Line Loading in Calculations  + (14:18:18, 26 May 2025)