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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
- 05000339/LER-1982-036-03, /03L-0:on 820618,channel IV Steam Flow Indicator for Steam Generators B & C Failed Low.Cause of Both Events Unknown.Channels Placed in Tripped Condition & Approved Calibr Procedure Performed + (03:08:28, 27 May 2025)
- 05000260/LER-1982-019-03, /03L-0:on 820618,while Performing SI-2 (Rod Notch Exercise),Flow Bias Comparator Trip Prevented Rod Withdrawal.Caused by Gemac 563-02 Proportional Amplifier (FQ-68-81) Drifting Upscale.Amplifier Replaced + (03:08:33, 27 May 2025)
- 05000280/LER-1982-072, Forwards LER 82-072/03L-0 & 82-068/03L-0 + (03:08:45, 27 May 2025)
- 05000267/LER-1982-026-03, /03L-0:on 820615,total Primary Coolant Oxidants Exceeded Limiting Conditions for Operation on Two Occasions. Caused by Water in Core Due to Sudden Pressure Surge from Loss of 480-volt Essential Busses.Concentrations Reduced + (03:08:50, 27 May 2025)
- 05000348/LER-1982-030, Forwards LER 82-030/03L-0 + (03:08:53, 27 May 2025)
- 05000369/LER-1982-053-03, /03L-0:on 820624,during Plant Cooldown,Static Inverter Evia Malfunctioned,Causing RHR Sys Negative Declaration Isolation Valve to Close.Caused by Component Failure of Solidstate Controls,Inc Static Inverter + (03:08:55, 27 May 2025)
- 05000280/LER-1980-059-01, Util Informed of Potential for Loss of Auxiliary Feedwater Flow Following Steamline Rupture.Caused by Original Design Allowing Pump Runout & Subsequent Tripping of Sys Pump Motors + (03:09:00, 27 May 2025)
- IR 05000482/1981012 + (03:09:02, 27 May 2025)
- 05000280/LER-1979-045-01, Air Would Not Flow Through Filters If Consequence Limiting Safeguards hi-hi Signal Removed from Control Circuit of Safeguards Area Exhaust Ventilation Dampers.Caused by Design Deficiency + (03:09:03, 27 May 2025)
- 05000325/LER-1982-064-03, /03L-0:on 820615,post-accident Monitoring Control Room Recorder/Indicator 1-CAC-AR-1259 Erraticaly Indicated Drywell Oxygen Concentrations.Caused by Erratic Instrument Output Due to Unknown Causes.Unit Replaced + (03:09:06, 27 May 2025)
- IR 05000286/1982009 + (03:09:35, 27 May 2025)
- ML20055B642 + (03:09:37, 27 May 2025)
- IR 05000334/1981027 + (03:09:58, 27 May 2025)
- 05000311/LER-1982-052-03, /03L-0:on 820618,steam Generator 21 Steam Flow Channel II Discovered Reading Low.Caused by Instrument Drift.Transmitter Recalibr & Returned to Svc + (03:10:00, 27 May 2025)
- IR 05000277/1981024 + (03:10:09, 27 May 2025)
- IR 05000373/1981048 + (03:10:18, 27 May 2025)
- 05000289/LER-1982-010-99, /99X-0:on 820526,engineered Safeguards Actuation Sys Failed to Come Out of Bypass During post-maint Testing Following Triac Replacement.Caused by Hampering of New Triac Drop Out Due to Induced Voltage on Input Circuit + (03:10:30, 27 May 2025)
- 05000334/LER-1982-021-03, /03L-0:on 820614,outside Recirculation Spray Pump, RS-P-2A,developed Seal Accumulator Level Trouble.Caused by Binding of Seal Bellows Which Unloaded Mechanical Seal Resulting in Water Leakage.Seal Parts Replaced + (03:10:32, 27 May 2025)
- 05000317/LER-1982-029-01, /01T-0:on 820628,during Mode 3,automatic Start Feature for Auxiliary Feed Pumps 11 & 12 Inhibited.Caused by Procedural Inadequacy Due to Handswitches for MSIV in pull-to-lock Position.Procedure Modified + (03:10:36, 27 May 2025)
- 05000219/LER-1982-033-03, /03L-0:on 820613,control Rod Driveline Pump a Failed to Operate.Apparently Caused by Enlarging of Interstage Bushing Clearances in Rotating Assembly.Rotating Assembly Replaced + (03:11:16, 27 May 2025)
- 05000219/LER-1982-036-03, /03L-0:on 820618,water from Disassembled Control Rod Driveline Pump Found Overflowing from Temporary Drain Assembly Onto Core Spray Pump a Motor Housing.Cause Not Stated.Megger Check Performed on Core Spray Pump + (03:11:29, 27 May 2025)
- ML20055B411 + (03:11:32, 27 May 2025)
- 05000336/LER-1982-022-03, /03L-0:on 820609,fire Actuation Signal in Diesel Generator Room a Tripped Clean Fuel Transfer Pump,Allowing Clean Fuel Tank to Overflow.Caused by Shorted Fire Alarm Pull Box,Due to Ingress of Rainwater.Shield Installed + (03:12:45, 27 May 2025)
- 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)