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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
- 05000361/LER-1983-043-03, /03L-0:on 830607,w/plant in Mode 3,attempt to Manually Start Auxiliary Feedwater Pump 2P504 Failed.Caused by Failure of Control Relay in Start Permissive Control Circuit for Pump.Relay Replaced + (13:44:22, 26 May 2025)
- 05000327/LER-1983-026-03, /03L-0:on 830223,during Surveillance Instruction 7.1 on Diesel Generator 1A-A,essential Raw Cooling Water Valve 1-FCV-67-66 Failed to Open.Caused by Dirty Auxiliary Contact.Contact Cleaned + (13:44:25, 26 May 2025)
- ML20072N787 + (13:44:31, 26 May 2025)
- 05000339/LER-1983-019-03, /03L:on 830226,w/unit at 100% Power,Valve TV-CC-205C Failed to Close from Control Room.Cause Unknown. Valve Stroked Satisfactorily & Returned to Svc.Redundant Isolation Valve Energized & Returned to Svc + (13:44:33, 26 May 2025)
- 05000336/LER-1983-006-03, /03L-0:on 830219,while in Mode 3,hot Standby Conditions,Only One HPSI Pump Was Operable.Caused by Svc Water Pump C Shutdown for Leak Repair on Strainer C.Svc Water Strainer C Repaired + (13:44:38, 26 May 2025)
- 05000269/LER-1983-007-01, /01T-0:on 830303,manual Containment Isolation Valve CF-19 Discovered Open on All Three Units.Caused by Personnel Error Due to Inadequate Review for Procedure Approval.Valve Closed & Procedures Revised + (13:44:42, 26 May 2025)
- ML20072N710 + (13:44:46, 26 May 2025)
- 05000296/LER-1983-014-03, /03L-0:on 830228,differential Pressure Controller PDIC-64-16 Found to Have Setpoint Above Tech Spec Limit. Caused by Pressure Controller Being Set at Incorrect Value. Setpoint Corrected + (13:44:49, 26 May 2025)
- 05000387/LER-1983-034-03, /03L-0:on 830218,during Shutdown,Operator Discovered LPCI B Injection Throttle valve,F017B,vibrating Severely.Caused by Operating RHR B Shutdown Cooling W/Sys Flow Rates Outside Optimum Throttling Range + (13:44:51, 26 May 2025)
- 05000318/LER-1983-017-03, /03L-0:on 830218,power Lost to Saltwater Outlet Valves for 21 Svc Water & 21 Component Cooling Water Hx. Caused by Installation of Wrong Value Fuses.Correct Fuses Installed + (13:44:56, 26 May 2025)
- 05000369/LER-1983-009-03, /03L-0:on 821112,during Troubleshooting & Checkout Activities Following Diesel Generator Mod Work,Diesel Generator 1B Experienced Failures.Caused by Wires on Wrong Terminal,Burned Diodes & Spurious Low Crankcase Signals + (13:45:00, 26 May 2025)
- 05000259/LER-1983-013-01, /01T-0:on 830307,standby Gas Treatment Train C Removed from Svc for Maint.Testing Revealed Train Failed to Meet Tech Spec Flowrate Requirements.Caused by Stuck Back Draft Damper.Damper Adjusted + (13:45:03, 26 May 2025)
- 05000366/LER-1983-026-03, /03L-0:on 830610,diesel Generator 2C Failed to auto-start After Manual Trip.Caused by Shutdown Solenoid Stuck in Shutdown Position.Solenoid Cleaned + (13:45:05, 26 May 2025)
- 05000313/LER-1983-014-03, /03L-0:on 830609,auxiliary Feedwater Pump P-75 Rendered Inoperable.Caused by Supply Piping Seal Break Due to Piping Misalignment.Piping Replaced & Realigned to Reduce Stress + (13:45:06, 26 May 2025)
- AECM-83-0386, Final/Interim Deficiency Rept PRD-82/14 for Units 1/2, Respectively Re Sheared Bolts on Rear Crankcase Cover of Delaval Diesel Generators.Unit 1 Bolts Not Defective.Unit 2 Rept Due on 850130.Also Reportable Per Part 21 + (13:45:10, 26 May 2025)
- 05000416/LER-1983-058-01, /01T-0:on 830311,fire Watches Not Conducted in Two Areas of Fire Detection Zone 2-19 as Required by Tech Specs. Caused by Personnel Oversight.Room Numbers Added to Fire Watch Checksheets.Updated Rept Will Be Submitted by 830 + (13:45:22, 26 May 2025)
- 05000237/LER-1983-013-03, /03L-0:on 830211,during Refueling,W/Weld Reinforcement in Progress Inside Torus,Power Lead from Rack of Welding Machine Grounded to Torus Causing Arc Strike & Copper/Brass to Fuse Into Metal.Repair Program Underway + (13:45:51, 26 May 2025)
- 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)