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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
- 05000395/LER-1983-076-03, Pressurizer PORV PCV-444B-RC Would Not Fully Stroke When Operated from Main Control Board.Caused by Low Operating Pressure.Regulator for PCV-44B-RC Replaced + (11:06:21, 26 May 2025)
- 05000366/LER-1980-049-03, While Performing Standby Liquid Control Pump Operability & Relief Valve Test,Sblc Pump B Discharge Relief Valve Failed to Operate at Required Pressure.Caused by Setpoint Drift + (11:06:24, 26 May 2025)
- 05000259/LER-1983-073-01, /01T-0:on 831231,reactor Coolant Sample Indicated Chloride Concentration of 525 Ppb & Conductivity & Offgas Radiation Level Increased While Ph Decreased.Caused by Resin Intrusion Into Reactor Vessel.Trap Replaced + (11:06:27, 26 May 2025)
- 05000361/LER-1983-154-03, /03L-0:on 831211,during Mode 5 Outage,Channel a Pressurizer Level Transmitter 2LT-0110-1 Found Inoperable During Performance of 18-month Calibr.Caused by Empty Ref Leg.Leg Filled + (11:06:28, 26 May 2025)
- 05000397/LER-1983-001-03, /03L-0:on 831225,while Loading First Fuel Bundle, Rod Block Protective Interlock Lost.Caused by Misinterpretation of Tech Spec Intent.Calibr & Survillance Procedures Changed + (11:06:32, 26 May 2025)
- ML20079L344 + (11:06:34, 26 May 2025)
- 05000327/LER-1983-010-03, /03L-0:on 830118,during Performance of Surveillance Instruction 7,diesel Generator 1A-A Tripped on High Water Jacket Temp.Caused by ERCW Valve 1-FCV-67-66 Failing to Open.No Cause Found + (11:06:37, 26 May 2025)
- 05000366/LER-1980-049, Forwards Updated LER 80-049/03X-1 + (11:06:39, 26 May 2025)
- 05000321/LER-1983-010-03, /03L-0:on 830110,during Reactor Coolant Instrumentation Lines Excess Flow Check Valve Operability review,12 Valves Found Inoperable.Caused by Electrical & Mechanical Component Failures.Valves Repaired/Replaced + (11:06:43, 26 May 2025)
- 05000280/LER-1982-129-03, /03L-0:on 821202,performance of Periodic Test 27 Revealed Amp Reading for Panel 1,circuit 23A Not within Acceptance Criteria.Caused by Faulty Thermostat.Thermostat Replaced + (11:06:49, 26 May 2025)
- 05000362/LER-1991-004-02, :on 910930,discovered That TS Surveillance Required to Be Performed Once Per 24-h Exceeded Surveillance Interval by 40 Minutes.Caused by Control Room Personnel. Appropriate Disciplinary Action Administered + (11:06:58, 26 May 2025)
- ML20079L205 + (11:07:02, 26 May 2025)
- 05000324/LER-1983-007-03, /03L-0:on 830115,HPCI Sys Steam Line High Temp Primary Containment Isolation Sys Isolation Occurred, Rendering HPCI Sys Inoperable.Caused by Personnel Error Due to Instrument Mislabeling.Test Signal Removed + (11:07:05, 26 May 2025)
- ML20079L186 + (11:07:07, 26 May 2025)
- ML20079L127 + (11:07:18, 26 May 2025)
- ML20079L082 + (11:07:26, 26 May 2025)
- ML20079L079 + (11:07:28, 26 May 2025)
- ML20079L047 + (11:07:32, 26 May 2025)
- ML20079L027 + (11:07:36, 26 May 2025)
- ML20079L022 + (11:07:38, 26 May 2025)
- 05000416/LER-1982-159-03, /03L-0:on 821206,QA Audit Revealed That on 821025, While in Mode 3 (Hot Shutdown),No Shutdown Cooling Mode Loops Were in Operation.Cause Not Stated.Shutdown Cooling Loop Put Into Operation + (11:07:42, 26 May 2025)
- 05000445/LER-1991-023, :on 911003,reactor Tripped Due to Erratic Operation of Main Turbine Electrohydraulic Controller.On 910713,reactor Tripped Due to Seal Problem on Hydraulic Fluid Pumps.Design Mod Initiated + (11:07:45, 26 May 2025)
- ML20079K937 + (11:07:46, 26 May 2025)
- 05000445/LER-1991-024, :on 911004,main Steam Safety Valves Had Lift Setpoints Less than Setpoint Tolerance Allowed by Ts.Caused by Inadequate Procedure.Setpoint Verification Procedure Revised + (11:07:47, 26 May 2025)
- 05000416/LER-1982-155-03, /03L-0:on 821206,temporary Vent Exhaust Sys for Suppression Pool Area Found Operating & Discharging Into Air While Continuous Air Monitor Not Operating.Caused by Personnel Error.Personnel Reinstructed + (11:07:49, 26 May 2025)
- 05000341/LER-1991-018, :on 911002,discovered Error in TS Amend 75, Resulting in Failure to Complete One of Two Weekly Channel Calibr Requirements for APRM Sys Channels.Caused by Use of Deficient Process.Calibr Performed + (11:07:51, 26 May 2025)
- ML20079K877 + (11:07:59, 26 May 2025)
- 05000416/LER-1982-158-99, /99L-0:on 821130,safety-related Fire Barrier Removed During Maint Work on Control Room Floor.Caused by Need to Remedy Wiring Problem.Firewatch Established + (11:08:00, 26 May 2025)
- 05000324/LER-1991-014-01, :on 910927,unplanned Reactor Protection Sys Actuation Occurred When Operators Realigned Scram Discharge Vol hi-hi Level Trip Bypass Switch.Caused by Failure to Follow Instructions.Operator Disciplined + (11:08:03, 26 May 2025)
- 05000301/LER-1991-001-01, :on 910929,MSIVs Failed to Leave Fully Open Position During Attempt to Shut MSIVs from Control Room. Caused by Degradation of Valve Operators Due to Corrosion. Valve Operators Will Be Disassembled + (11:08:05, 26 May 2025)
- 05000482/LER-1991-018, :on 911002,containment Purge Isolation & Control Room Ventilation Isolation Signals Generated by Signals from Gaseous Channels of Radiation Monitors.Caused by High Gaseous Activity.Operators Counseled + (11:08:10, 26 May 2025)
- 05000334/LER-1991-027, :on 910926,insufficient Diesel Generator Fuel Oil Supply to Emergency Diesel Generators Noted.Caused by Inadequate Coordination Between Fuel Oil Supply Const & Licensing Process.Procedure Written + (11:08:12, 26 May 2025)
- ML20079K717 + (11:08:22, 26 May 2025)
- ML20079K603 + (11:08:32, 26 May 2025)
- ML20079K600 + (11:08:33, 26 May 2025)
- ML20079K499 + (11:08:43, 26 May 2025)
- ML20079K485 + (11:08:45, 26 May 2025)
- ML20079K475 + (11:08:46, 26 May 2025)
- ML20079K466 + (11:08:49, 26 May 2025)
- ML20079K463 + (11:08:50, 26 May 2025)
- ML20079K449 + (11:08:52, 26 May 2025)
- 05000370/LER-1983-085-03, /03L-0:on 831208,makeup Frequency to Vol Control Tank Increased & Containment & Equipment Sump 2A Pumped Out Several Times,Indicating Leakage Problem.Caused by Component Malfunction.Sample Line Isolated + (11:08:56, 26 May 2025)
- 05000373/LER-1991-009-05, :on 910920,inadvertent Division II Reactor Water Cleanup Isolation Occurred Due to Poor Electrical Connection on 1B21-S21D Test Switch.Switch 1B21-S21D Cycled & Found to Work Properly + (11:08:58, 26 May 2025)
- ML20079K339 + (11:09:01, 26 May 2025)
- ML20079K198 + (11:09:12, 26 May 2025)
- ML20079K188 + (11:09:14, 26 May 2025)
- 05000373/LER-1982-156-03, /03L-0:on 821119,while Performing STP-23A,reactor Coolant Conductivity Exceeded Limit.Caused by Personnel Error.Personnel Advised That Startup Test Insufficient Reason to Bypass Condensate Polishers + (11:09:16, 26 May 2025)
- 05000237/LER-1982-050-01, /01T-0:on 821203,during Cribhouse Insp,Discovered Intake Water Level at 509 Ft 2 Inches.Caused by Rising River Level from Heavy Rainfall.Water Level Rose to 509 Ft 6 Inches Before Receding + (11:09:18, 26 May 2025)
- 05000416/LER-1982-135-99, /99X-0:on 821105,smoke Detectors in Auxiliary Bldg Steam Tunnel Covered to Prevent Fumes from Causing Erroneous Alarms.Caused by Paint Fumes from Planned Maint Activity.Fire Watch Established Until 821208 + (11:09:20, 26 May 2025)
- 05000387/LER-1982-054-03, /03L-0:on 821115,due to Drywell Chiller Tripping, Drywell Temp Exceeded 135 F.Caused by Strainer Blockage. Strainer Removed & Design Change to Replace Present Strainer Initiated + (11:09:22, 26 May 2025)
- 05000255/LER-1982-045-01, /01T-0:on 821203,T-82B Safety Injection Tank B Level Reached Limit of 198 Inches W/Boron Concentration Below Limit.Caused by Minor Leakage Past Loop Check Valve & Tank Check Valve or Fill & Drain Valve.Leak Rate Monitored + (11:09:24, 26 May 2025)