Search by property

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

• 05000321/LER-1983-061-03, /03L-0:on 830615,standby Gas Treatment Sys Filter Inlet Damper & Exhaust Fan Discharge Damper Would Not Open. Caused by Blown Power Supply Fuse.Fuse Replaced  + (10:50:55, 26 May 2025)
• 05000397/LER-1983-009-03, /03L:on 831222,fire Damper WOA-SMD-1A Manually Propped Open.Caused by Link Holding Damper Open Fusing Due to Influx of Dust to Activating Detector.New Link Installed  + (10:50:56, 26 May 2025)
• 05000302/LER-1982-013-03, Leak Discovered on Pressure Side of MUV-292 in Heat Affected Area of Weld. Caused by Vibration.Supports/Restraints Added to Makeup Sys. Vibration Eliminated  + (10:50:58, 26 May 2025)
• 05000389/LER-1983-024-03, /03L-0:on 830615,during Power Ascension Testing, RCS Inventory Balance Surveillance Not Performed.Caused by Unstable Conditions Associated W/Power Ascension Testing. Inventory Balance Subsequently Performed  + (10:51:02, 26 May 2025)
• 05000366/LER-1983-039-03, /03L-0:on 830614,Procedure HNP-2-3901 Re Relief Valve Operability Discovered Erroneously Revised.Caused by Personnel Error.Procedure re-revised  + (10:51:04, 26 May 2025)
• 05000397/LER-1983-008-03, /03L:on 831222,damper WOA-SMD-1B Malfunctioned. Guillotine Damper Binded in Track & Was Left in Open Position.Cause Unknown  + (10:51:07, 26 May 2025)
• 05000395/LER-1983-063-03, /03L-0:on 830616 & 27,turbine Bldg Sump Radiation Liquid Effluent Monitor RML-8 Declared Inoperable Due to Low Sample Flow.Caused by Accumulation of Trash in Sample Monitor Inlet Isolation Valve.Valve Cleaned  + (10:51:08, 26 May 2025)
• 05000397/LER-1983-007-03, /03L:on 831222,fire Hydrant FP-HT-1G Did Not Drain & Froze During Cold Weather.Caused by Contractor Inadvertently Blocking Drain Port for Hydrant While Pouring Concrete.Hydrant Repaired  + (10:51:11, 26 May 2025)
• 05000328/LER-1983-191-03, /03L-0:on 831227,rod C-11 Declared Inoperable Due to Erratic Behavior.Caused by Faulty Connection at Reactor Vessel Head.Low Current 500-volt Charge Placed on Cable. Rod Returned to Svc  + (10:51:17, 26 May 2025)
• 05000366/LER-1983-046-01, /01T-0:on 830622,AE Informed Util That High Energy Line Break Restraints for Control Rod Drive Sys, Reactor Water Cleanup Sys,Rcic Sys & Auxiliary Steam Sys Not Properly Installed.Caused by Personnel Error  + (10:51:18, 26 May 2025)
• 05000397/LER-1983-006-03, /03L:on 831222,fire-rated Door D-104 Violated, Causing Loss of Fire Boundary Integrity.Caused by fire-rated Door Closing,Pinching Welding Lead & Melting Hole in Door. Door Replaced  + (10:51:22, 26 May 2025)
• 05000397/LER-1983-005-03, /03L:on 831223,fire-rated Seals Removed to Perform Const Work,Causing Loss of Fire Boundary Integrity,Per Tech Specs.Caused by Plant Mod.Seals Will Be Replaced After Const Work Completed  + (10:51:24, 26 May 2025)
• 05000397/LER-1983-004-03, /03L:on 831222,loss of Fire Detection Instrumentation Occurred at 606-ft Elevation of Reactor Bldg.Caused by Condensation Shorting Out Detection Sys.Power Supply Replaced & Condensation Source Being Corrected  + (10:51:26, 26 May 2025)
• 05000305/LER-1983-038-03, /03L-0:on 831229,maint Procedure to Replace Relay in Reactor Protective Sys Rack 133 Caused Inadvertent Start of Auxiliary Feedwater Pump.Procedure Generated as Result of Work Request  + (10:51:27, 26 May 2025)
• 05000247/LER-1983-047-03, /03L-0:on 831219,during Normal Operation,Solenoid Operated Valve (SOV 1280) Did Not Isolate During Containment Relief Testing.Cause Not Stated.Solenoid Valve Coil Replaced & SOV Tested & Returned to Svc  + (10:51:29, 26 May 2025)
• 05000397/LER-1983-003-03, /03L:on 831222,walk Down Revealed That Fire Dampers WMA-FD-1,2,7,8,9,10,11,14,15,18 & DRA-FD-34-1 Did Not Comply W/Ul Fire Rating.Caused by Vendor Cutting Dampers to Required Size  + (10:51:30, 26 May 2025)
• 05000361/LER-1983-145-03, /03L-0:on 831220,plant Protection Sys Channel C ex-core Safety Channel Linear Power Signal Varied from CPC Channel C Calibr Linear Power Signal by 10%.Caused by Unadjusted Signal.Channel Calibr  + (10:51:31, 26 May 2025)
• 05000397/LER-1983-002-03, /03L-0:on 831231,discovered Fire Protection Storage Water Level in FP-TK-100 Less than 280,000 Gallons. Caused by Air Binding of Filter Effluent Pump While FP-P-107 in Manual Mode Due to Inadequate Procedural Instructions  + (10:51:33, 26 May 2025)
• 05000317/LER-1983-091-01, ECCS Pump Room Exhaust Ventilation Sys Charcoal Filter Inlet Damper Would Not Open When Bypass Damper Shut.Caused by Incorrect Connection of Charcoal Filter Damper Actuators  + (10:51:35, 26 May 2025)
• 05000325/LER-1983-044-03, High Water Generator Set Fluid Drive Temp Tripped Reactor Recirculation Pump Set 1B.Caused by Temp Control Valve TCC-TV-608 Breaking Valve Pin Travel Arm.Arm Replaced  + (10:51:36, 26 May 2025)
• 05000289/LER-1983-041-99, /99X-0:on 831025,while in Cold Shutdown,Cracking Observed on Molded Rubber Seat Ring of Containment Purge Isolation Valve AH-V1B.Caused by Insufficient Adhesion Between Plies of Seat Matl  + (10:51:39, 26 May 2025)
• 05000370/LER-1983-091-03, /03L-0:on 831224,while in Mode 4,invalid Fire Alarm Received.Caused by Dust Accumulation in Detector Due to Maint Activities.Detector Replaced  + (10:51:41, 26 May 2025)
• 05000416/LER-1983-193-03, /03L-0:on 831227,outboard Suction Valve Closed During Instrument Surveillance.Caused by Tip Breaking Off mini-test Clip.Surveillances Reviewed for Points Requiring Test Connections & Banana Jacks Installed  + (10:51:42, 26 May 2025)
• 05000318/LER-1983-077-03, /03L-0:on 831221,during Normal Operation,Leak Discovered in Charging Header Drain Line.Caused by Failure of 3/4-inch Socket Weld Due to Line Vibration & Lack of Restraint.Restraint Installed  + (10:51:44, 26 May 2025)
• 05000272/LER-1983-070-03, /03L-0:on 831221,exterior Door of 100-ft Elevation Airlock Exhibited Excessive Leakage During Surveillance Testing.Caused by Cut Exterior Door Outer Seal. Seal Replaced  + (10:51:46, 26 May 2025)

• 05000311/LER-1983-066-03, /03L-0:on 831220,common Suction Valve 2RH1 Closed, Resulting in Loss of RHR Flow.Caused by Personnel Error.Rhr Pump 22 Started & RHR Flow Reestablished within 22 Minutes  + (10:51:50, 26 May 2025)

• ML20079S398  + (10:51:51, 26 May 2025)
• TAC:51556  + (10:54:20, 26 May 2025)
• ML20079R099  + (10:55:20, 26 May 2025)
• TAC:M75910  + (10:55:31, 26 May 2025)
• 05000373/LER-1983-033-03, Radwaste Effluent Monitor Declared Inoperable.Caused by High Fixed Level of Background Radiation.Inner Chamber Surface Experimentally Coated W/ Acrylic Resin  + (10:55:36, 26 May 2025)
• ML20079Q439  + (10:55:55, 26 May 2025)
• ML20079P157  + (10:58:33, 26 May 2025)
• ML20079P154  + (10:58:34, 26 May 2025)
• 05000296/LER-1983-006-03, /03L-0:on 830128,during Shutdown,While Performing Monthly Vibration Tests on 480-volt Reactor Motor Operated Valve Motor Generator Sets,High Vibration Readings Detected. Caused by Leak in Seal Ring.Coupling & Rings Replaced  + (10:59:49, 26 May 2025)
• 05000296/LER-1983-007-03, /03L-0:on 830128,during Monthly Vibration Checks, Generator/Flywheel Ball Bearing Developed High Vibration Levels.Cause Suspected to Be Normal Wear.Bearing Replaced  + (10:59:50, 26 May 2025)
• 05000416/LER-1983-112-03, While Troubleshooting Nssss/Eccs Initiation Circuitry Re Improper Operation of E12F087B & F025B,partial LOCA Occurred.Caused by Error in Work Order.Changes Underway  + (11:00:12, 26 May 2025)
• ML20079N533  + (11:00:20, 26 May 2025)
• 05000416/LER-1983-111-03, Amphenol Type Signal Cable Connector in Control Room Panel Disconnected.Caused by Personnel Error.Changes to Administrative Controls Governing Maint Activites Implemented  + (11:01:15, 26 May 2025)
• TAC:08602  + (11:01:18, 26 May 2025)
• ML20079M680  + (11:02:53, 26 May 2025)
• 05000272/LER-1983-003-04, /04L-0:on 830121,during Commencement of Refueling Shutdown for Unit 2,Unit 1 Restart Delayed Approx 7 Wks. Caused by Problems W/Steam Generator Nozzle Dams & Degradation of Welds in Svc Water Piping  + (11:03:02, 26 May 2025)
• 05000237/LER-1983-082-03, /03L-0:on 831225,while Performing Weekly & Daily Turbine Checks During Normal Operation,Control Valve 4 Failed to Give half-scram When Tested.Probably Caused by Failed Test Switch CVTS-4.Recorder Installed  + (11:03:08, 26 May 2025)
• A830000, Responds to NRC Re Violations Noted in IE Insp Rept 50-298/82-33.Corrective Actions:Personnel Instructed on Correct Method of Completing Procedure Npe 10.1 Data Sheet & on Use of Process Computer  + (11:03:16, 26 May 2025)
• 05000369/LER-1983-002-03, /03L-0:on 830110,while in Mode 1,pressurizer Heater Group 1B Failed to Energize in Manual & Declared Inoperable.Cause Under Investigation.Design Defect Indicated in Vacuum Breaker Contractor Coil Circuit  + (11:03:59, 26 May 2025)
• ML20079M063  + (11:04:27, 26 May 2025)
• 05000346/LER-1983-002-03, /03L-0:on 830114 & 15,after Reactor Trips,Rcs Dose Equivalent I-131 Exceeded Tech Spec Limit.Caused by Slight Leakage of Fission Products Through Fuel Cladding.Caused by Temp & Pressure Changes.Situation Monitored  + (11:04:34, 26 May 2025)
• 05000346/LER-1983-002, Forwards LER 83-002/03L-0  + (11:04:39, 26 May 2025)
• 05000458/LER-1991-003, :on 910322,damper Isolations & Automatic Swap of Divisional Control Bldg Ventilation/Chiller Occurred Due to Inadequate Work Plan.Work Plan Revised to Document Removal & Restoration of Hot & Neutral Wiring  + (11:04:51, 26 May 2025)
• ML20079L951  + (11:04:55, 26 May 2025)
• ML20079L783  + (11:05:18, 26 May 2025)