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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
- 05000293/LER-1982-018-03, /03L-0:on 820610,master Fire Detection Alarm Panel C-220 Declared Inoperable Due to Inability to Reset Trouble Alarm.Caused by Faulty Reset Switch on Fire Trouble Control Board.Switch Replaced & Sys Returned to Svc + (03:12:58, 27 May 2025)
- 05000338/LER-1982-043-03, /03L-0:on 820614,one Coolant Loop Declared Inoperable.Caused by Failure of RHR Subsystem B Pump 1-RH-P-1B.Impeller,motor W/Integral Pump Shaft & Mechanical Seal Replaced + (03:13:06, 27 May 2025)
- 05000369/LER-1982-051-03, /03L-0:on 820608,125-volt Battery Evca Returned to Svc Prior to Verification of Operability.Caused by Personnel Error.Battery Reisolated & Operability Verified.All Employees Cautioned.Procedure Modified + (03:13:15, 27 May 2025)
- 05000416/LER-1982-004-03, /03L-0:on 820616,prior to Initial Fuel Load,Area Radiation Monitoring Sys Failure Alarm Initiated.Probably Caused by Transient Which Allowed Meter to Fall in Downscale Range of Monitor.Sys Tested & Declared Operable + (03:13:16, 27 May 2025)
- 05000247/LER-1982-024-03, /03L-0:on 820608,charging Pump 23 Developed Leak & Declared Inoperable.Cause of Leaking Head Gasket Not Stated.Head Gasket Replaced.Pump Tested Satisfactorily & Returned to Svc + (03:13:24, 27 May 2025)
- 05000416/LER-1982-003-03, /03L-0:on 820616,during Surveillance Testing, Output Amplifiers for free-field Forced Balanced Accelerometer Found Inoperable.Probably Caused by Lightning Damage.Amplifiers Replaced & Surveillance Test Completed + (03:13:34, 27 May 2025)
- IR 05000298/1982008 + (03:13:40, 27 May 2025)
- 05000416/LER-1982-002-01, /01T-0:on 820701,two Scrams Initiated by High Flux Spikes on Fuel Loading Chambers Connected to Source Range Monitor Noncoincident Reactor Protection Sys Logic.Probably Caused by Close Proximity of Fuel Bundles to Fuel Chamb + (03:13:48, 27 May 2025)
- 05000311/LER-1982-049-03, /03L-0:on 820617,containment Fan Coil Units 21 & 25 Failed to Meet Svc Water Flow Requirements.Caused by Valve 21SW57 Tube Bundle Plugged W/American Oysters in Unit 21.Unit 25 Failed Due to Cracked Solder Joint + (03:13:49, 27 May 2025)
- 05000281/LER-1982-037-03, /03L-0:on 820615,charging Pump Svc Water Pump 2-SW-P-10A Had Zero Discharge Pressure Due to Loss of Suction.Caused by Insufficient NPSH for Charging Pump Svc. Chiller Svc Water Throttled to Provide NPSH + (03:13:52, 27 May 2025)
- 05000293/LER-1982-019-03, /03L-0:on 820611,standby Gas Treatment Sys a Declared Inoperable Based on Low Flow Test Data Per Procedure 8.7.2.6 Criteria.Caused by Clogged Filters Due to Resin Beads from Condensate Demineralizer Sys + (03:13:54, 27 May 2025)
- 05000336/LER-1982-024-03, /03L-0:on 820606,120-volt Ac (VIAC-1) Lost Causing Power Fuses to Blow in Facility I ESAS Cabinet.Caused by Roof Leak Resulting from Heavy Rains Allowing Water to Enter Top of Inverter & Shorting Circuitry.Water Shield Insta + (03:13:58, 27 May 2025)
- ML20055A934 + (03:14:00, 27 May 2025)
- 05000369/LER-1982-050-03, /03L-0:on 820607,sufficient Sample Flow from Reactor Bldg Dome Area Could Not Be Established to Containment Hydrogen Monitor (Chm) 2.Caused by Obstructions in Sample Line Downstream of Solenoid Valve + (03:14:33, 27 May 2025)
- 05000361/LER-1982-021-01, /01T-0:on 820608,relay in Auxiliary Feedwater Pump Safety Injection Trip Circuit Wired Incorrectly Per Erroneous Wiring Diagram.Caused by Const Based on Incorrect Wiring Diagram.Error Rectified + (03:14:39, 27 May 2025)
- 05000373/LER-1982-041-03, /03L-0:on 820610,scheduled Noble Gas Sample from Station Vent Stack Not Taken.Caused by Failure to Check Tech Spec Surveillance Sheet & Check on Tech Spec-related Sampling.Importance of Surveillance Sheets Stressed + (03:14:46, 27 May 2025)
- DD-81-19, Order Extending Time Until 820913 for Commission to Act to Review Directors Decision DD-81-19 + (03:15:26, 27 May 2025)
- DD-81-20, Order Extending Time Until 820913 for Commission to Act to Review Directors Decision DD-81-20 + (03:15:30, 27 May 2025)
- 05000366/LER-1982-051-03, /03L-0:on 820609,diesels 2A & 1A Not Tested at Appropriate Test Frequency Due to Misinterpretation of Tech Specs.Caused by Diesel Having Own Test Frequency Based on Failure Rate.Correct Test Frequency Established + (03:15:40, 27 May 2025)
- 05000272/LER-1982-040-03, /03L-0:on 820616,filter Failure Alarm Received on containment-plant Vent Radioactivity Monitor.Caused by Exhausted Filter Paper Supply Roll Due to Clearing Filter in Fast Mode.New Roll Installed.Personnel Counseled + (03:15:43, 27 May 2025)
- IR 05000313/1981022 + (03:16:21, 27 May 2025)
- 05000366/LER-1982-064-03, /03L-0:on 820611,standby Gas Treatment Fan B Failed to Start Manually to Purge & Vent Drywell.Caused by Setpoint Drift.Heater Contractor Replaced,Reactor Head Cooling Setpoints Recalibr & Sys Tested + (03:16:25, 27 May 2025)
- 05000361/LER-1982-019-03, /03L-0:on 820604,during Surveillance Testing,Inlet Heater to a Train HEPA Filter/Charcoal Absorber Assembly Cycled on & Off W/No Variation in Air Flow.Caused by Improper Flow Control Switch Selection.Jumpers Installed + (03:16:26, 27 May 2025)
- 05000346/LER-1982-029-03, /03L-0:on 820608,essential Inverter YV2 Failed, de-energizing 120-volt Ac Essential Bus Y2 & Source Range Detector NI-l.Caused by Component Failure within Regulated Rectifier YRF2.Inverter Y2 Energized + (03:16:31, 27 May 2025)
- 05000361/LER-1982-034-01, /01T-0:on 820621,discrepancies Discovered Involving Reactor Coolant Pump & Control Element Assembly. Caused by Incorrect Signal Wiring Connections to Core Protection Calculator from Control Element Assembly Inputs + (03:16:34, 27 May 2025)
- 05000249/LER-1982-027-01, /01T-0:on 820629,isolation Valve for HPCI Pressure Switch 3-2389D Developed Leak Which Depressurized Sensing Line.Caused by Loose Packing on Isolation Valve to Pressure Switch.Packing Nut Tightened + (03:16:36, 27 May 2025)
- 05000366/LER-1982-059-03, /03L-0:on 820627,RHR Svc Water Pump Failed to Achieve Rated Discharge Pressure & Declared Inoperable. Caused by Leak Through Air Release Valve.Valve Flushed. Flanges Tightened.Sys Returned to Svc + (03:16:38, 27 May 2025)
- 05000346/LER-1982-027-03, /03L-0:on 820608,combined Leakage for All Containment Penetration Valves Exceeded Tech Spec Limits. Caused by Component Failure W/Two Valves Failing Due to Misapplication of Seating Matl.Valves Repaired + (03:16:40, 27 May 2025)
- IR 05000313/1982004 + (03:16:45, 27 May 2025)
- 05000346/LER-1982-028, Forwards LER 82-028/03L-0 + (03:16:47, 27 May 2025)
- 05000361/LER-1982-023-03, /03L-0:on 820608,fire Suppression Water Spray & Sprinkler Sys Initiated by Manual Actuation of Deluge Valve. Cause Not Determined.Alternate Manual Actuators Being Considered + (03:16:50, 27 May 2025)
- 05000315/LER-1982-047-03, /03L-0:on 820622,discovered That Containment Equipment Hatch Double Resilient Seals on Ring Body Flange Had Not Been Type B Leak Tested Since June 1979.Caused by Testing Not Being Included in Existing Procedures + (03:16:52, 27 May 2025)
- 05000293/LER-1982-017-03, /03L-0:on 820603,indicator Scheme on Vacuum Breaker Did Not Function Properly & Required Test to Prove Drywell to Torus Vacuum Breaker Closure Not Performed. Probably Caused by Faulty Limit Switch + (03:16:55, 27 May 2025)
- 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)