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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-1982-005-01, /01T-0:on 820628,during Refueling Shutdown,Main Steam Check Valve Discovered in Degraded Condition.Caused by Set Screws Loosened on Valve Disc Tail Pieces.All Three Valves Modified to Correct post-mod Deficiency + (03:17:01, 27 May 2025)
- 05000373/LER-1982-042-03, /03L-0:on 820611,level 3 Scram & Isolation Occurred Due to Improper Valve Lineup.Caused by Operator Failure to Recognize Potential Drain Path in Lineup for LST-82-250.Meetings W/Staff to Be Held + (03:17:02, 27 May 2025)
- 05000261/LER-1982-005, Forwards LER 82-005/01T-0 + (03:17:03, 27 May 2025)
- IR 05000482/1982004 + (03:17:08, 27 May 2025)
- IR 05000298/1981019 + (03:17:12, 27 May 2025)
- 05000316/LER-1982-051-03, /03L-0:on 820622,double Resilient Seals on Ring Body Flange & Lock Cover Flange Discovered Not Type B Leak Rate Tested.Caused by Seals Not Being Included in Existing Surveillance Procedure + (03:17:19, 27 May 2025)
- 05000336/LER-1982-021-03, /03L-0:on 820604,during Routine Operations,Steam Jet Air Ejector Fire Damper 2-EB-109 Failed Shut.Caused by Failure of Metal Band Required to Hold Damper Open Due to Corrosion.Damper Band,Link & Damper Blades Replaced + (03:17:22, 27 May 2025)
- 05000331/LER-1982-043-03, /03L-0:on 820624,pressure Differential Switches Which Control Reactor Bldg to Suppression Chamber Vacuum Breakers Cv 4304 & Cv 4305 Tripped Out of Spec.Caused by Instrument Drift.Switches Recalibr.Surveillance Continuing + (03:17:28, 27 May 2025)
- 05000373/LER-1982-039-03, /03L-0:on 820609,during Placement of RHR 1A Loop Into Shutdown Cooling Mode,Leakage Discovered at Pump 1A Suction Line.Caused Possibly by Thermal Growth.Leaking Spool Tightened & Leak Repaired + (03:17:29, 27 May 2025)
- 05000247/LER-1982-023-03, /03L-0:on 820606,boron Injection Tank Level Channel 944E Drifted High.Caused by Failure of Bellows Assembly of Associated Level Transmitter.Transmitter Replaced.Failed Channel Replaced W/Spare Channel 944J + (03:17:31, 27 May 2025)
- 05000316/LER-1982-052-03, /03L-0:on 820611,work Bench Found Obstructing Path for Rollup Fire Door Between Two 600-volt Switchgear Areas. Personnel Responsible Not Located.Work Bench Removed.Video Film Being Prepared to Increase Awareness of Requireme + (03:17:36, 27 May 2025)
- 05000331/LER-1982-040-03, /03L-0:on 820610,during Cold Shutdown Surveillance Testing,Jacket Coolant Sys on Standby Generator Found Leaking.Caused by Brass Pipe Nipple Broken by Weight of Pressure Indicator & Piping.Nipple Replaced + (03:17:37, 27 May 2025)
- NUREG-0712, Forwards Suppl 6 to SER,NUREG-0712.W/o Encl + (03:17:47, 27 May 2025)
- TAC:43663 + (03:18:46, 27 May 2025)
- A02357, Ro:On 820629,primary to Secondary Leakage Rate Increased. Caused by Erosion & Thermal Cycling.Prompt Corrective Action Initiated for Leakage in Excess of 0.5 Gpm Per Steam Generator + (03:18:53, 27 May 2025)
- 05000364/LER-1982-025-03, /03L-0:on 820609,containment Atmosphere Activity Monitor R-11 (Particulate Monitor) Declared Inoperable When Vacuum Pump Tripped Due to Erroneous High Flow Signal.Caused by Faulty High Flow Relay.Relay Replaced + (03:19:24, 27 May 2025)
- 05000327/LER-1982-071-03, /03L-0:on 820607,control Room Emergency Ventilation Train a Failed Min Sys Flow Rate.Caused by Airflow Vibration Partially Closing Manual Suction Dampers Supplying Emergency Air Cleanup Fans.Dampers Adjusted + (03:19:28, 27 May 2025)
- 05000321/LER-1982-057-03, /03L-0:on 820615,reactor Coolant Activity Exceeded Tech Spec Limit.Caused by Condenser Tube Leaks During Time When Radwaste Could Not Process Water Needed to Backwash Condensate Demineralizers.Leaks Plugged + (03:19:31, 27 May 2025)
- IR 05000508/1981014 + (03:19:36, 27 May 2025)
- 05000366/LER-1982-065-03, /03L-0:on 820618,standby Liquid Control Storage Tank Sodium Pentaborate Concentration Fell Below Tech Spec Limit.Caused by Depletion of Sodium Pentaborate.Sodium Pentaborate Added + (03:19:38, 27 May 2025)
- 05000321/LER-1982-056-03, /03L-0:on 820614,thermal Calculation P-1 Revealed That Core Max Fraction of Limiting Power Density Exceeded Tech Spec Limits.Caused by Personnel Error.Personnel Reinstructed + (03:19:39, 27 May 2025)
- 05000321/LER-1982-059-03, /03L-0:on 820617,personnel Discovered That Fire Protection Isolation Valves Position & Lubrication Checks Were Not Performed for May 1982.Caused by Personnel Error. Personnel Counseled in Importance of Meeting Time Frames + (03:19:45, 27 May 2025)
- 05000416/LER-1982-001-01, /01T-0:on 820618,loss of Dc Power to Div II Diesel Generator Control Circuit Detected.Caused by Failure of Main Fuses to Dc Control Panel Due to Fault in Circuitry of Semiconductor Annunciator module,SAM-2.Module Bypassed + (03:19:50, 27 May 2025)
- 05000366/LER-1982-034-03, /03L-0:on 820622,control Room Received Low Pressure Alarm on Hydraulic Control Unit 26-19.Caused by Setpoint Drift.Pressure Switch Recalibr & Returned to Svc + (03:20:07, 27 May 2025)
- 05000327/LER-1982-074-03, /03L-0:on 820605,train B Automatic Control Valve 1-LCV-3-171 & Train a Valve 1-PCV-3-122 Declared Inoperable. Inoperability Caused by Failed Controller & Failed Hydraulic Pump Motor Due to Deadheaded Pump + (03:20:12, 27 May 2025)
- 05000325/LER-1982-063-03, /03L-0:on 820609,erratic post-accident Monitoring Control Room Recorder/Indicator,Indications & Recordings Received.Caused by Shifting of Instrument Timing Sequence + (03:20:14, 27 May 2025)
- 05000335/LER-1982-022-03, /03L-0:on 820609,subcooled Margin Monitor Failed to Operate.Caused by 1A2 Tc Input Transmitter Failure.Lead from Transmitter Lifted & Subcooled Monitor Returned to Svc on 820610 + (03:20:18, 27 May 2025)
- 05000327/LER-1982-078-03, /03L-0:on 820613,oxygen Concentration in Waste Gas Decay Tank J Was Higher than Tech Spec Limit W/Hydrogen Concentration Greater than 4%.Caused by Air Leakage in Monitor Sample Lines.Oxygen Concentration Reduced + (03:20:20, 27 May 2025)
- 05000259/LER-1982-039-03, /03L-0:on 820609,fuse 16A-F19 Blew Due to Failure of Coil for Relay 16A-K66B,resulting in Inboard Primary Containment Isolation.Caused by Short in Coil for Relay 16A-K66B.Fuse & Relay Coil Replaced + (03:20:23, 27 May 2025)
- 05000250/LER-1982-008-03, /03L-0:on 820609,3A High Head Safety Injection Pump Failed to Start from Manual Operation of Normal Control Switch.Cause Not Determined.Breaker Control Panel Fuses Replaced & Breaker Racked Out & Backed in + (03:20:28, 27 May 2025)
- 05000280/LER-1982-026-03, /03L-0:on 820618,electrical Penetration Found Improperly Sealed.Caused by Personnel Failure to Restore Penetration to Original State Following Cable Installation. Penetration Sealed + (03:20:30, 27 May 2025)
- 05000280/LER-1982-036-03, /03L-0:on 820611,motor Operated Valve CS-203C Failed to Close During Performance of PT-17.1.Caused by Loose Field Wiring Disconnect Device at Motor Control Ctr Cubicle.Plug Reinserted & Valve Returned to Svc + (03:20:44, 27 May 2025)
- 05000339/LER-1982-035-03, /03L-0:on 820609,RCS Identified Leakage Found to Be Greater than Tech Spec Max.Caused by Packing Leak on Manual Loop Drain Isolation Valves 2-RC-30 & 2-RC-39. Packaging Tightened & Valve 2-RC-30 Replaced + (03:20:54, 27 May 2025)
- 05000339/LER-1982-025-03, /03L-0:on 820613,individual Rod Position Indication for Rod P-08 in Control Bank D Deviated from Group Demand Position More than 12 Steps.Caused by Instrument Drift.Rod P-08 Recalibr & Returned to Svc + (03:20:57, 27 May 2025)
- 05000369/LER-1982-047-03, /03L-0:on 820603,surveillance Interval of Boron Concentration in Boron Acid Storage Tank a Exceeded Tech Specs.Caused by Personnel Error.Operator Counseled.All Operations Personnel Informed of Implications + (03:21:07, 27 May 2025)
- 05000327/LER-1982-076-03, /03L-0:on 820613,ice Bed Temp Monitoring Sys Declared Inoperable Due to Failure to Meet Surveillance Requirements.Caused by Broken Wire to Ac Power Supply.Wire Repaired & Moved to Prevent Recurrence + (03:21:11, 27 May 2025)
- 05000302/LER-1982-041, Forwards LER 82-041/03L-0 + (03:21:34, 27 May 2025)
- 05000328/LER-1982-077-03, /03L-0:on 820609,at 100% Power,One Ice Condenser Intermediate Deck Door in Bay 19 Discovered Frozen Closed. Caused by Broken Solder Joint in Air Handling Unit Condensate Drain Line Probably Due to Water Freezing + (03:21:36, 27 May 2025)
- 05000338/LER-1982-034-03, /03L-0:on 820612,fire Door S54-8 Between Unit 1 & 2 Emergency Switchgear Rooms Failed to Close.On 820617 Fire Door S71-7 Failed to Close.Failures Due to Reclosure Mechanism Out of Adjustment & Misalignment,Respectively + (03:21:39, 27 May 2025)
- 05000366/LER-1982-060-03, /03L-0:on 820604 RHR Pump B Failed to Meet ASME Section XI Requirements for Pump Differential Pressure. Caused by Wear on Second Stage Impeller Wear Ring.Worn Parts Replaced,Pump Reassembled & Installed + (03:21:42, 27 May 2025)
- 05000366/LER-1982-061-03, /03L-0:on 820617,in Run Mode,Div 1 RHRSW Unable to Achieve Rated Flow & Discharge Pressure & Declared Inoperative.Caused by Failure of Air Release Valve Due to Ruptured Gaskets & Float Deformation + (03:21:47, 27 May 2025)
- 05000321/LER-1982-055-03, /03L-0:on 820606,panel Blowdown Valve for 1E11-C002C Found Open Making 1E11-N020C & 1E11-N016C Fail to See True RHR Pump C Pressure,Thereby Degrading ADS Actuation Logic.Caused by Personnel Error + (03:21:54, 27 May 2025)
- 05000335/LER-1982-020-03, /03L-0:on 820605,after Short Reduction in Power by 5% While Increasing Power,Dose Equivalent Iodine Exceeded Tech Spec 3.4.8 Limit for 8-h.Caused by Reduction in Power Inducing Iodine Buildup.Nominal Level Reached in 10-h + (03:21:56, 27 May 2025)
- 05000321/LER-1982-046, Forwards LER 82-046/03L-0 + (03:21:58, 27 May 2025)
- 05000366/LER-1982-062-03, /03L-0:on 820604,core Performance Calculation Indicated That Core Max Fraction of Limiting Power Density Exceeded Fraction of Rated Power.Cause Unknown.Rod Positions Adjusted to Lower Peak + (03:22:00, 27 May 2025)
- 05000366/LER-1982-056-03, /03L-0:on 820618,while Performing Containment Hydrogen Recombiner Sys Functional Test,Heater a Controller Discovered Inoperable.Caused by Component Failure.Connector Between Heat Sensing Element & Controller Loosened + (03:22:14, 27 May 2025)
- IR 05000508/1981008 + (03:22:20, 27 May 2025)
- IR 05000508/1982004 + (03:22:23, 27 May 2025)
- 05000338/LER-1982-042-03, /03L-0:on 820613,during Cold Shutdown,Pressure Transmitter for Pressurizer Power Operated Relief Valve Found Out of Calibr.Caused by Transmitter Drift.Transmitter Calibr & Returned to Svc + (03:22:37, 27 May 2025)
- 05000366/LER-1982-066-01, /01T-0:on 820621,process Computer Value Used to Determine Max Critical Power Ratio Flow Correction Factor Not Changed to Reflect Motor Generator Set High Speed Stops. Caused by Procedural Inadequacy + (03:22:41, 27 May 2025)
- 05000338/LER-1982-045-03, /03L-0:on 820617,fire Door S54-5 Between Emergency Switchgear Room & Cable Vault Found Blocked Open W/O Fire Watch.Cause Not Stated.Fire Watch Posted.Const Mgt Agreed to Address Problem + (03:22:49, 27 May 2025)