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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

• 05000261/LER-1982-003-01, /01T-0:on 820209,pressurization of Boron Injection Tank Header Pressure Indicator PI-934 Observed Exceeding Psig Required by Tech Specs.Caused by Failure of Operator & Safety Valve SI-857A to Relieve Pressure  + (16:03:30, 26 May 2025)
• 05000302/LER-1982-004, Forwards LER 82-004/01T-0  + (16:03:52, 26 May 2025)
• ML20069B899  + (16:04:03, 26 May 2025)
• ML20069B843  + (16:04:15, 26 May 2025)
• 05000302/LER-1982-003, Forwards LER 82-003/01T-0  + (16:04:22, 26 May 2025)
• ML20069B817  + (16:04:25, 26 May 2025)
• ML20069B707  + (16:04:42, 26 May 2025)
• 05000270/LER-1981-019, Forwards LER 81-019/01T-0.Detailed Event Analysis Encl  + (16:05:02, 26 May 2025)
• 05000302/LER-1981-026-03, /03L-1:on 810423,snubber EFH-109 Discovered Inoperable During Use.Probably Caused by Air Entrapment in Snubber.Engineering Investigation Initiated  + (16:05:07, 26 May 2025)
• 05000302/LER-1981-026, Forwards LER 81-026/03L-1  + (16:05:11, 26 May 2025)
• 05000353/LER-1994-004, :on 940422,inadvertent Automatic Closure of Several Primary Containment Isolation Valves & Engineered Safety Feature Actuations Occurred.Caused by Blown Fuse. Blown Fuse Replaced  + (16:05:34, 26 May 2025)
• ML20069B408  + (16:05:36, 26 May 2025)
• 05000335/LER-1983-009-03, /03L-0:on 830207,train Heaters for Shield Bldg Ventilation Sys Tripped Off Due to High Temp.Caused by Defective Fenwal Model 543 Temp Controller.Controller Replaced  + (16:05:38, 26 May 2025)
• 05000324/LER-1983-014-03, /03L-0:on 830216,primary Containment Atmosphere Oxygen Analyzer 2-CAC-AT-1259-2 Showed Drywell Oxygen Concentration 1% Higher than Indicated by Redundant Analyzer.Caused by Instrument Drift.Analyzer Recalibr  + (16:05:41, 26 May 2025)
• 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced  + (16:05:44, 26 May 2025)
• 05000327/LER-1994-007, :on 940422,determined That TS SR 4.4.6.2.1.e Associated W/Monitoring of Reactor Head Flange Leakoff Sys Not Met Due to Personnel Error.Personnel Action Will Be Developed for Appropriate Personnel  + (16:05:47, 26 May 2025)
• 05000269/LER-1983-004-03, /03L-0:on 830202,70 Ampere Circuit Breaker Failed to Trip Causing 350 Ampere Circuit Breaker to Trip Resulting in Loss of Power to SY-1 Battery Charger.Caused by Procedure & Component Failure.Breaker Replaced  + (16:05:52, 26 May 2025)
• 05000280/LER-1981-072-03, /03L-0:on 811125 & 26,specific Activity Sample of RCS Indicated Dose Equivalent I-131 Levels Greater That Tech Spec Limit.Caused by Fuel Element Defect in Reactor Core. Accelerated Sampling Frequency Implemented  + (16:05:53, 26 May 2025)
• 05000280/LER-1981-070-03, /03L-0:on 811125,during Investigation of Deviation Involving Fire Protection Sys,Discovered That Fire Hydrant Isolation Valve 1-FP-127 Had Not Been Position Verified Monthly.Caused by Administrative error.PT-24.7 Revised  + (16:05:58, 26 May 2025)
• 05000353/LER-1994-003, :on 940420,primary Containment & Reactor Vessel Isolation Control Sys ESF Actuation Occurred.Caused by Blown Fuse as Result of Personnel Error.I&C Technician Counseled Re Attention to Detail  + (16:06:00, 26 May 2025)
• 05000269/LER-1983-001-03, /03L-0:on 830203,alarm Received Indicating High Lower Motor Bearing Temp on HPI 2A Pump.Caused by Loss of Oil Due to Leakage.Pump Motor Replaced  + (16:06:02, 26 May 2025)
• 05000280/LER-1981-069-03, /03L-0:on 811114,w/unit at Cold Shutdown for Refueling & Three Loops Isolated & Drained,Rhr Pump B Was Removed from Svc Due to High Bearing Temp.Caused by Lack of Lubrication to Motor Upper Thrust Bearing.Assembly Replaced  + (16:06:11, 26 May 2025)
• ML20069B281  + (16:06:25, 26 May 2025)
• 05000316/LER-1981-065-04, /04L-0:on 811127,extreme High delta-P Across Traveling Screens Was Discovered.Circulation Water Pump 24 Was Shut Down Causing Condenser delta-T to Rise Above Tech Spec Limits.Caused by Cladophora Accumulating on Screens  + (16:06:31, 26 May 2025)
• 05000369/LER-1981-179-03, /03L-0:on 811111,during Performance of Below Bank Rod Test,Reactor Was Manually Tripped Due to Loss of Cooling Water to Reactor Coolant Pump Motor Coolers.Caused by Failed Fuse in Power Supply of Solenoid Valve to IRN-253A  + (16:06:34, 26 May 2025)

• 05000324/LER-1981-127-03, /03L-0:on 811121,printing Mechanism of Primary Containment Atmospheric Monitoring Recorder 2-CAC-AR-1259 Drove Hard Downscale When Exhibiting Indication of Hydrogen Concentration in Drywell.Caused by Instrument Drift  + (16:06:36, 26 May 2025)

• ML20069A849  + (16:08:01, 26 May 2025)
• ML20069A540  + (16:09:00, 26 May 2025)
• ML20069A353  + (16:09:18, 26 May 2025)
• ML20069A339  + (16:09:20, 26 May 2025)
• 05000416/LER-1982-166-99, Fire Barriers Broken in Control Bldg Computer Room & Upper Cable Spreading Room to Route Cables Under Maint Work Authorization.Caused by Planned Maint Activity.Penetration Closed & Sealed  + (16:09:26, 26 May 2025)
• ML20069A276  + (16:09:30, 26 May 2025)
• ML20069A259  + (16:09:32, 26 May 2025)
• 05000416/LER-1982-166, Forwards Updated LER 82-166/99X-1  + (16:09:33, 26 May 2025)
• ML20069A252  + (16:09:35, 26 May 2025)
• ML20069A235  + (16:09:38, 26 May 2025)
• ML20069A231  + (16:09:40, 26 May 2025)
• ML20069A210  + (16:09:42, 26 May 2025)
• 05000321/LER-1983-009-03, /03L-0:on 830126,while Performing Reactor High Pressure Instrument Ft&C Procedure,Reactor Pressure Instrument B Actuated at 164 Psig,Above Tech Spec Limit. Caused by Setpoint Drift.Instrument Recalibr  + (16:09:44, 26 May 2025)
• ML20069A208  + (16:09:46, 26 May 2025)
• ML20069A195  + (16:09:48, 26 May 2025)
• ML20069A186  + (16:09:50, 26 May 2025)
• ML20069A118  + (16:09:57, 26 May 2025)
• ML20069A113  + (16:09:59, 26 May 2025)
• ML20069A079  + (16:10:03, 26 May 2025)
• EPID:L-2019-LLA-0135  + (16:10:10, 26 May 2025)
• PMNS20200195, Annual Assessment Meeting  + (16:10:12, 26 May 2025)
• PMNS20200193, Annual Assessment Meeting  + (16:10:13, 26 May 2025)
• 05000336/LER-1991-001, :on 910110,main Turbine Tripped on Low electro- Hydraulic Pressure.Caused by Failure of electro-hydraulic Control Sys Pumps.Pump Discharge Filters Changed Out & Replaced W/Spare Pump  + (16:10:20, 26 May 2025)
• ML20067E505  + (16:10:41, 26 May 2025)
• ML20067E393  + (16:10:50, 26 May 2025)