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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

TAC:12672 + (04:03:01, 27 May 2025)
05000366/LER-1982-057-03, /03L-0:on 820527,containment Hydrogen Peroxide Analyzer Found Inoperable.Caused by Component Failure. Analyzer Internal Sampling Flow Components Failed to Maintain Correct Flow.Sample Pump Repaired + (04:03:23, 27 May 2025)
05000305/LER-1982-015-03, /03L-0:on 820518,while Trying to Borate RCS During Physic Testing,No Boric Acid Flow Obtained Through Blender Due to freeze-up in Boric Acid Tank to Blender Line at Valve CVC-401.Old Heat Tracing Tape Replaced + (04:03:39, 27 May 2025)
05000325/LER-1981-093, Updated LER 81-093/01T-2:on 811226,reactor Protection Sys Vessel Low Level Trip instrument,1-B21-LT-NO17D-1,was Indicating Upscale.Caused by Personnel Failure to Recognize & Perform Tech Specs.Personnel Counseled + (04:03:44, 27 May 2025)
05000315/LER-1982-040-03, /03L-0:on 820521,operator Discovered Fire Door 367 to Nuclear Sampling Room Would Not Close Properly.Caused by 3 of 4 Screws Missing from Sequencer for Double Doors. Sequencer Securely Fastened to Frame + (04:03:48, 27 May 2025)
05000325/LER-1981-095-03, RHR Svc Water Subsystem Pumps B & D Would Not Start Due to Simulated Low Header Pressure Lockout.Caused by Open Circuit Breaker in Motor Coolers Low Suction Pressure Permissive Switch + (04:03:50, 27 May 2025)
05000325/LER-1981-095, Forwards Updated LER 81-095/03L-1 + (04:03:53, 27 May 2025)
05000338/LER-1982-039-03, /03L-0:on 820517,steam Flow Channel IV Flow Indicator FI-1485 for Steam Generator 1B Discovered Reading Offscale Low.Cause Not Determined.Channel Placed in Trip Condition,Transmitter Calibr & Instrument Loop Checked + (04:03:59, 27 May 2025)
05000366/LER-1982-052-03, /03L-0:on 820525,during Startup from Refueling & Performance of Safety Relief Valve Operability Tests, Solenoids of Valves 2B21-F013A & E Interchanged.Caused by Personnel Error.Personnel Reinstructed + (04:04:02, 27 May 2025)
05000328/LER-1982-064-03, /03L-0:on 820523,lower Containment Airlock Door Failed Air Leak Rate Test.Caused by Air Leakage Through Door Handwheel Shaft Packing.Packing Tightened & Door Retested. Design Change Request Submitted + (04:04:11, 27 May 2025)
05000339/LER-1982-026-03, /03L-0:on 820520,RCS Suction to RHR Sys Pumps Lost on Three Occasions.Caused by Erroneous RCS Level Indications While Draining Rcs.Charging Pump Started to Refill Sys + (04:04:16, 27 May 2025)
05000339/LER-1982-024-03, /03X-0:on 820518,w/RCS Water Solid,Power Operated Relief valve,PCV-2456,lifted Twice When Loop C Cold Leg Stop valve,MOV-2595,opened & Reactor Coolant pump,2-RC-P-1C Started.Caused by Thermal Expansion of Reactor Coolant + (04:04:30, 27 May 2025)
05000250/LER-1982-005-03, /03L-0:on 820519,during Routine Startup,Augmented Surveillance of Hot Channel Factors Not Initiated When Threshold Power (98%) Was Passed.Caused by Procedural Error.Procedure Change Initiated + (04:04:33, 27 May 2025)
05000267/LER-1982-019-03, /03L-0:on 820518,during Feedwater Flow Surveillance Test,Circulator 1A Speed Program Switch & Two Feedwater Flow Switches Were Out of Calibr.Caused by Instrument Drift.Switches Recalibr + (04:05:13, 27 May 2025)
05000334/LER-1982-014, Forwards LER 82-014/01T-0 + (04:05:17, 27 May 2025)
05000318/LER-1982-024-03, /03L-0:on 820514,ESF Actuation Sys Channel C Pressurizer Pressure Failed Low,Resulting in Removal of Channel Zf & Subcooled Margin Monitor 22 from Svc.Caused by Fault in Ac/Dc Converter Isolator 2-PY-102C + (04:05:47, 27 May 2025)
05000219/LER-1982-029, Forwards LER 82-029/01T-0.Detailed Event Analysis Encl + (04:05:48, 27 May 2025)
05000311/LER-1982-044-03, /03L-0:on 820518,operator Discovered Leakage Rate of 130-ft Elevation Containment Air Lock Exceeded Tech Spec Limits.Caused by Improperly Positioned Inner Door Seal. Inner Door Seal Properly Positioned + (04:05:54, 27 May 2025)
05000334/LER-1982-018-03, /03L-0:on 820512,RHR Pump RH-P-1B Failed to Start. Caused by Interruption of RHR Flow,Due to Procedural & Personnel Errors.Circuit Breaker Racking Mechanism Problem Delayed Restoring Flow.Procedure Revised & Operator Trained + (04:05:54, 27 May 2025)
ML20054H181 + (04:06:03, 27 May 2025)
05000315/LER-1982-039-01, /01T-0:on 820601,during Monthly Insp of Eccs,Boron Injection Tank Isolation Valve Cycled W/Recirculation Valve Open.Caused by Personnel Error.Procedure Revised & Appropriate Administrative Action Taken + (04:06:20, 27 May 2025)
05000318/LER-1980-011-01, Diesel Generator 21 Failed to Achieve 10-s Rated Speed,Rendering Low Pressure Safety Injection Pump 22 Inoperable.Caused by Slow Response of Diesel Generator Governor.Governor Replaced + (04:06:26, 27 May 2025)
05000318/LER-1980-011, Forwards Updated LER 80-011/01X-1 + (04:06:29, 27 May 2025)
05000272/LER-1982-032-03, /03L-0:on 820515,boric Acid Flow in Transfer Pumps 11 & 12 Decreased Below Tech Spec Limit Rendering Pumps Inoperable.Caused by Increase in Impeller to Volute Clearance Due to Normal Wear.Clearance Adjusted + (04:06:44, 27 May 2025)
05000333/LER-1982-023-03, /03L-0:on 820514,during Normal Operation,While Conducting Surveillance,Containment Isolation Valve 10 MOV 38A Found Inoperable.Caused by Motor Failure.Motor Replaced + (04:07:56, 27 May 2025)

05000311/LER-1982-046-03, /03L-0:on 820527,during Routine Surveillance,Less than Required Svc Water Flow to Containment Coil Unit 23 Discovered.Caused by Oysters Plugging Valve Tube Bundle 23SW57.Oysters Removed & Svc Water Flow Returned to Normal + (04:08:07, 27 May 2025)

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