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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
- 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)
- ML20079L466 + (11:05:52, 26 May 2025)
- 05000389/LER-1983-077-03, /03L-0:on 831221,diesel Generator 2B Failed to Start within 10 & Fuel Oil Day Tank Failed to Automatically Fill Above 30% Level.Cause for Slow Start Not Determined.Tank Holding Relay Module Replaced + (11:06:07, 26 May 2025)
- 05000338/LER-1983-006-03, /03L-0:on 830125,triaxial Peak Accelegraphs on RHR HX & Safety Injection Pipe Found Inoperable from Corrosion Damage on Internal Parts.Caused by Moisture Entering Accelegraphs.Units Replaced + (11:06:09, 26 May 2025)
- 05000361/LER-1991-015-01, :on 911001,containment Purge Isolation Sys Train a Actuation Occurred While Performing Radiography. Cause Not Stated.Health Physics Procedures Modified & Training Will Be Conducted + (11:06:12, 26 May 2025)
- ML20079L372 + (11:06:17, 26 May 2025)
- 05000373/LER-1991-011-05, :on 911002,TS Surveillance Missed During Primary Containment Due to Missed Prerequisite C.6 in Procedure LOP-VQ-11.Procedure LOP-VQ-11 Will Be Revised & Operating Dept Will Be Trained on Event + (11:06:19, 26 May 2025)
- 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)