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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

• 05000298/LER-1983-009-01, /01T-0:on 830629,pinhole Leaks Found in heat- Affected Zone of Weld CWA-BJ-2 During Insulation Removal on 6-inch Reactor Water Cleanup Suction Line.Caused by Intergranular Stress Corrosion Cracking  + (13:46:29, 26 May 2025)
• 05000369/LER-1983-039-03, /03L-0:on 830606,control Room Ventilation Sys Train a Failed Control Room Pressurization Test Performed in Response to Control Room Door Mod.Caused by out-of- Position Manual Damper  + (13:46:32, 26 May 2025)
• 05000324/LER-1983-033-03, /03L-0:on 830223,while Performing High Steam Line Radiation Channel Calibr & Functional Test,Main Steam Line Instrument Channels a & D Found Out of Calibr.Caused by Instrument Drift.Drawers Recalibr  + (13:46:34, 26 May 2025)
• 05000389/LER-1983-022-03, /03L-0:on 830606,waste Gas Decay Tank 2B Contained Explosive Mixture.Caused by out-of-adjustment Nitrogen Regulators & Slightly Opened Vent Valve.Vent Valve Closed & Nitrogen Regulators Adjusted  + (13:46:36, 26 May 2025)
• 05000324/LER-1983-033, Forwards LER 83-033/03L-0  + (13:46:38, 26 May 2025)
• 05000328/LER-1983-023-03, /03L-0:on 830225,during Mode 1 at 98%,three Level switches,2-LS-87-21,-23 & -24 Discovered Out of Tolerance. Caused by Instrument Drift,Calibr Techniques or Testing Techniques.Switches Recalibr & Returned to Svc  + (13:46:38, 26 May 2025)
• 05000298/LER-1994-014, :on 940723,CR Emergency Filter Sys Failed to Meet Acceptance Criteria Specified in Sp 6.3.17.18 Due to Imbalance in Sys Created by Movement of Damper HV-AD-AD1021C.Damper Modified  + (13:46:45, 26 May 2025)
• 05000423/LER-1994-010-01, :on 940726,trains of Charging Declared Inoperable.Caused by Overly Restrictive Acceptance Criterion for Cooling Pump Bearing Oil Level.Cooling Pump Level Changed to Provide Appropriate Operability  + (13:46:59, 26 May 2025)
• 05000373/LER-1983-017-03, /03L-0:on 830222,lake Blowdown Flow Recorder Gave Incorrect Readings.Caused by Flow Instrument Probe Being Airbound Thus Preventing Transmittal of Correct Signal. Probe vented.LIS-WL-01 Performed Satisfactorily  + (13:47:01, 26 May 2025)
• 05000328/LER-1983-030-03, /03L-0:on 830223,one Containment Sump Level Channel Declared Inoperable Due to Failure to Meet Channel Check Requirements.Caused by High Reading Due to Air Bubble in Oil Sense Line Ref Leg.Leg Refilled,Transmitter Recalibr  + (13:47:04, 26 May 2025)
• 05000416/LER-1982-156-03, While Performing Surveillance Test 06-OP-1P75-M-0002,Div II Diesel Failed to Start.Caused by Personnel Error.Fuel Leaks Due to Loose Bleed (Vent) Plugs.Plugs Tightened  + (13:47:07, 26 May 2025)
• 05000339/LER-1983-022-03, /03L-0:on 830304,w/unit in Mode 1,fire Door S54-7 Between Unit 1 Emergency Switchgear Room & Stairway to Control Room Declared Inoperable.Caused by Misadjustment of Reclosure Device & Door Latch.Device & Latch Readjusted  + (13:47:09, 26 May 2025)
• ML20072M921  + (13:47:12, 26 May 2025)
• 05000416/LER-1982-156, Forwards Updated LER 82-156/03X-1  + (13:47:13, 26 May 2025)
• 05000259/LER-1983-010-03, /03L-0:on 830224,while Performing SI 4.7.B-3, Standby Gas Treatment Train B Declared Inoperable Due to Failure to Meet Flow Distribution Requirements.Caused by Debris in HEPA Filters.Filters Replaced  + (13:47:15, 26 May 2025)
• 05000293/LER-1983-033-03, /03L-0:on 830601,governor for Diesel Generator B Failed to Properly Respond to Control Signals.Caused by Malfunctioning Mechanical Governor Supplied by Woodward Governor Co.Governor Replaced W/Spare  + (13:47:18, 26 May 2025)
• 05000339/LER-1983-018-03, /03L-0:on 830227,w/unit in Mode 3 Following Reactor Trip,Source Range Detectors N-31 & N-32 Declared Inoperable After Receipt of Erroneous Readings.Caused by Energizing of Detectors on 830224.Detectors Replaced  + (13:47:21, 26 May 2025)
• 05000321/LER-1983-051-03, /03L-0:on 830607,loop B Core Spray Test Valve E21-F015B Failed to Close When Returning Loop to Svc. Caused by Torque Switch Failure.Switch Replaced  + (13:47:26, 26 May 2025)
• 05000366/LER-1983-038-03, /03L-0:on 830605,reactor Bldg Exhaust Vent Radiation Monitor D (2D11-K609D) Failed Upscale.Caused by Sensor & Converter Unit (2D11-N010D) Failing Electronically. Unit Replaced & Calibr W/Monitor  + (13:47:28, 26 May 2025)
• 05000220/LER-1983-012-03, /03L-0:on 830609,10 Time Delay Relay 11K62 Stuck in Energized Position & Failed to Time Out & Initiate Emergency Cooling Sys.Caused by Dirty Clutch Plunger. Periodic Cleaning of Plunger Initiated  + (13:47:31, 26 May 2025)
• 05000348/LER-1983-031-03, /03L-0:on 830610,during Solid State Protection Sys Operability Test,Loop 3 Steam Line Differential Pressure Instrumentation Channel Declared Inoperable.Caused by Failure of Universal Card.Card Replaced  + (13:47:36, 26 May 2025)
• 05000369/LER-1983-041-03, /03L-0:on 830607,containment Hydrogen Monitor a Hydrogen Analyzer Gas Flow Found out-of-spec.Caused by Partially Blocked Flow Path.Monthly Test Performed Again on 830610 & Monitor Declared Operable  + (13:47:39, 26 May 2025)
• 05000348/LER-1983-030-03, /03L-0:on 830607,during Administrative Review, Stroke Time Test for Turbine Driven Auxiliary Feedwater Pump Steam Admission Valve 3235B Determined Not Performed After 830603 Maint.Caused by Personnel Error  + (13:47:41, 26 May 2025)
• 05000366/LER-1982-085-03, RHR Svc Water Pumps a & C Declared Inoperable as Result of Failure to Meet Min Flow Requirements.Caused by Broken & Bent Tubes on Cavitrol Trim. Insp Procedure Initiated  + (13:48:07, 26 May 2025)
• ML20072L591  + (13:49:36, 26 May 2025)

• EPID:L-2019-LLA-0194  + (13:49:37, 26 May 2025)

• 05000289/LER-1978-008-01, /01T-0:on 780202,once-through Steam Generator Feedwater Nozzles Flooded During Operation Below 5% Full Power.Caused by Incorrect Procedure Due to Operating Inexperience.Shutdown & Cooldown Procedures Revised  + (13:50:38, 26 May 2025)
• 05000289/LER-1978-008, Forwards LER 78-008/01T-0  + (13:50:41, 26 May 2025)
• TAC:51907  + (13:51:40, 26 May 2025)
• TAC:49705  + (13:51:51, 26 May 2025)
• 05000361/LER-1983-055-03, /03L-0:on 830523,oxygen Concentration in Waste Gas Holdup Sys Exceeded Tech Spec Limit.Caused by Air Inleakage Into Waste Gas Sample Suction Line.Gas Compressor & Recirculation Sys Will Be Repaired  + (13:52:03, 26 May 2025)
• ML20072K211  + (13:52:12, 26 May 2025)
• ML20072K173  + (13:52:18, 26 May 2025)
• ML20072K159  + (13:52:19, 26 May 2025)
• ML20072K150  + (13:52:21, 26 May 2025)
• ML20072K148  + (13:52:23, 26 May 2025)
• ML20072K088  + (13:52:26, 26 May 2025)
• 05000334/LER-1983-017-03, /03L-0:on 830528,following Reactor Trip,One Source Range Nuclear Detector Observed Not Indicating & Other Source Range Began Spiking High.Both Declared Inoperable. Cause Not Determined.Both Detectors Replaced  + (13:52:40, 26 May 2025)
• 05000318/LER-1983-030-03, /03L-0:on 830516,pressurizer Pressure Decreased to 2,185 Psia & Pressurizer Level Decreased to 128 Inches. Caused by Closed Hydraulic Dampener Bypass Valves on Turbine Bypass Control Valves.Valves Opened  + (13:52:41, 26 May 2025)
• 05000271/LER-1983-015-01, Rept Received from Yankee Atomic Electric Co Re Error in Design & Use of Spacing Table for Copper Piping in Svc Water Sys.Caused by Failure to Follow ANSI B31.1  + (13:52:44, 26 May 2025)
• 05000318/LER-1983-027-03, /03L-0:on 830522,power-dependent Insertion Limit (Pdil) for Group 5 Rods Found Inoperable,Rendering Control Element Assembly Motion Inhibit Inoperable.Caused by Failure of Pdil Auctioneering Card Semiconductor  + (13:52:50, 26 May 2025)
• ML20072J928  + (13:52:52, 26 May 2025)
• ML20072J919  + (13:52:56, 26 May 2025)
• 05000387/LER-1983-075-01, /01P-0:on 830515,interactions of Chlorine Detector in Control Room Emergency Outside Air Supply Sys Noted Following Loss of Power.Procedure Changes Instituted to Provide Operators W/Appropriate Corrective Actions  + (13:53:03, 26 May 2025)
• RS-90-203, Circulating Water Sys Availability Analysis River Bend Nuclear Station  + (13:53:07, 26 May 2025)
• ML20072J905  + (13:53:08, 26 May 2025)
• 05000387/LER-1983-083-03, /03L-0:on 830520,during Review of Draft Procedures,Alarm Check Required by Tech Spec Not Included in Chemistry Surveillance Procedures.Change Made to Surveillance Procedures to Include Alarm Check  + (13:53:11, 26 May 2025)
• 05000370/LER-1983-021-03, /03L-0:on 830521,while in Mode 2,control Room Steam Generator D Wide Range Level Recorder Indication Incorrect.Caused by Tube Fitting Leak on Level Transmitter high-pressure Sensor Line.Fitting Replaced  + (13:53:21, 26 May 2025)
• 05000260/LER-1983-028-03, /03L-0:on 830526,during Normal Operation,Hpci Sys Declared Inoperable Due to Blown Inverter Fuse.Fuse Replaced.Hpci Turbine Control Valve Failed to Open Due to Misadjusted Rod.Rod Adjusted  + (13:53:24, 26 May 2025)
• 05000219/LER-1994-012, :on 940724,while Performing EMRV Pressure Sensor surveillance,as-found Trip Setpoints for High Pressure Relief Function on Two EMRVs Exceeded TS Limit Due to Instrument Drift.Pressure Switches Adjusted  + (13:53:25, 26 May 2025)
• ML20072J756  + (13:53:27, 26 May 2025)