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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

• IR 05000250/1979035  + (14:20:06, 8 January 2025)
• ML17266A147  + (14:20:08, 8 January 2025)
• ML17266A146  + (14:20:09, 8 January 2025)
• 05000335/LER-1979-028-01, In Cold Shutdown During Hurricane,Cable Fell Into Startup Transformer B.Ac Electrical Sys B de-energized & Diesel Generator Failed to Start.Caused by Delay in B Diesel Binding  + (14:20:10, 8 January 2025)
• 05000335/LER-1980-001-03, /03L-0:on 800102,during Surveillance Testing of IA Diesel Generator,Fuel Transfer Pump Failed to Start. Failure Caused by Dirty Starter Contactor.Pump Cleaned & Returned to Svc  + (14:20:11, 8 January 2025)
• 05000335/LER-1980-004-01, /01T-0:on 800124,operating at 100% Power,Feeder Breaker from Startup Transformer 1B to 4160-volt Essential Bus B Found Open.Caused by Improper Label on Switch.Label Changed & Personnel Informed of Event  + (14:20:13, 8 January 2025)
• 05000335/LER-1980-002-03, /03L-0:on 800104,during Normal Operations,Control Element Assembly Dropped to Full Insertion,Causing Tq to Exceed Core Limits.Caused by Failure of 15-volt Power Supply in Coil Power Programmer.Power Supply Replaced  + (14:20:14, 8 January 2025)
• ML17266A140  + (14:20:15, 8 January 2025)
• 05000335/LER-1979-036-03, /03L-0:on 791203,while Operating at Full Power, Control Room Operator Discovered Mb Linear Power Range Channel High Voltage Was Lower than Other Three Channels. Caused by Failed +15 Volt Power Supply.Supply Replaced  + (14:20:18, 8 January 2025)
• ML17266A138  + (14:20:19, 8 January 2025)
• ML17266A137  + (14:20:20, 8 January 2025)
• ML17266A136  + (14:20:21, 8 January 2025)
• ML17266A135  + (14:20:22, 8 January 2025)
• ML17266A134  + (14:20:23, 8 January 2025)
• ML17266A133  + (14:20:24, 8 January 2025)
• ML17266A132  + (14:20:24, 8 January 2025)
• L-78-225, Notifies of Steps Taken to Assure That Plant Operation Will Not Be Restricted by Sys Performance.Util Will Raise Discharge Canal Dikes & Construct New Spillway.No Unreviewed Safety Question.No Adverse Environ Impact Involved  + (14:20:25, 8 January 2025)
• ML17266A129  + (14:20:34, 8 January 2025)
• ML17266A127  + (14:20:34, 8 January 2025)
• ML17266A125  + (14:20:35, 8 January 2025)
• ML17266A126  + (14:20:35, 8 January 2025)
• ML17266A124  + (14:20:36, 8 January 2025)
• 05000335/LER-1979-035-03, /03L-0:on 791126,during Surveillance Test,One Channel of Refueling Water Tank Level Had Setpoint Out of Tolerance.Caused by Setpoint Drift in Channel Circuit. Setpoint Readjusted  + (14:20:37, 8 January 2025)
• 05000335/LER-1979-033-03, /03L-0:on 791119,during Surveillance Insp,Some Degradation Identified on Fire Barriers.Caused by Insufficient QC During Plant Const & Backfit Work.Fire Barriers Repaired & Responsible Individual Notified  + (14:20:38, 8 January 2025)
• 05000335/LER-1979-034-03, /03L-0:on 791123,while Performing Aerial Radiological Measurements & Survey Test,Containment Isolation Sys Channel Would Not Trip on High Radiation Signal.Caused by Failure of Action Pak.Action Pak Replaced  + (14:20:40, 8 January 2025)
• ML17266A120  + (14:20:40, 8 January 2025)

• L-79-338, Urges Expeditious Review & Safety Evaluation of Retran Reactor Sys Transient Analysis Code.List of Intended Uses of Retran Encl  + (14:20:41, 8 January 2025)
• ML17266A119  + (14:20:41, 8 January 2025)

• 05000335/LER-1979-032-03, /03L-0:on 791016,during Plant Test of Emergency Diesel Generator 1A,generator Failed to Indicate Voltage or Frequency After Engine Started.Caused by Failed Voltage Regulator Surge Suppressor SP-3.Suppressor Replaced  + (14:20:43, 8 January 2025)
• 05000335/LER-1979-015-03, /03L-1:on 790507,RCS Boron Concentration Was Below Tech Spec Limit.Caused by Vendor Workers Unknowingly Cutting Steam Generator During Rim Cut Mods.Tubes Plugged & Concentration Restored  + (14:20:45, 8 January 2025)
• L-79-339, Forwards Revised Pump & Valve Test Program,In Response to NRC Re Test Cycling of Check Valves  + (14:20:45, 8 January 2025)
• 05000335/LER-1979-031-01, /01T-0:on 790927,during Planned Shutdown,Qc Check of Installation of Safety Injection Tank Sample Lines Showed Four Raceway Clips Welded to Vessel Wall.Caused by Contractor  + (14:20:48, 8 January 2025)
• ML17266A111  + (14:20:48, 8 January 2025)
• 05000335/LER-1979-029-03, /03L-0:on 790917,level Transmitter on Safety Injection Tank 1B1 Drifted Out of Calibr & Tank Level Dropped Below Tech Spec Limit.Cause Undetermined.Level Indicator Adjusted & Transmitter Recalibr  + (14:20:49, 8 January 2025)
• ML17266A108  + (14:20:52, 8 January 2025)
• 05000335/LER-1979-030-01, /01T-0:on 790921,discovered as-built Design Specs for Steam Generator Were Not Used by NSSS Vendor to Establish Instrument Span for Measuring Steam Generator Level.No Cause Given.Low Level Trip Setpoint Raised to 39%  + (14:20:53, 8 January 2025)
• ML17266A105  + (14:20:54, 8 January 2025)
• ML17266A104  + (14:20:54, 8 January 2025)
• ML17266A103  + (14:20:55, 8 January 2025)
• L-79-245, Forwards Addl Info to 790806 Response to IE Bulletin 79-14. Charts of Design Documents & Seismic Analysis Info Encl  + (14:20:56, 8 January 2025)
• ML17266A097  + (14:20:58, 8 January 2025)
• 05000335/LER-1979-027-03, /03L-0:on 790806,control Element Assembly 65 Dropped While Periodic Exercise Surveillance Test Was Being Performed.Caused by Apparent Design Deficiency W/Control Element Drive Sys.Procedure Change Request Submitted  + (14:20:59, 8 January 2025)
• 05000335/LER-1979-026-03, /03L-0:on 790801,minus 18 Volt Power Supply Found at Minus 13 Volts.Cause Unknown;Probably Normal end-of-life Failure of Electronic Component.New Power Supply Installed. No Addl Action Required  + (14:21:00, 8 January 2025)
• L-79-248, Requests That 790412 Proposed Amend to License DPR-67 Be Modified to Include ETS 4.2, Min Effective Chlorine Usage. Mod Eliminates Overlapping Regulatory Requirements  + (14:21:05, 8 January 2025)
• ML17266A092  + (14:21:06, 8 January 2025)
• 05000335/LER-1979-025-03, /03L-0 on 790720:variable High Power Trip Setpoint in Core Protection Calculator Failed to Track Reactor Power. Caused by Power Supply in Core Protection Calculator Failing Due to Filter Capacitor Failure  + (14:21:07, 8 January 2025)
• L-79-212, Forwards Seismic Analysis Assessment for Sys,Including Safety Injection,Auxiliary Feedwater,Feedwater,Main Stream, Containment Spray & Component Cooling Water,Per IE Bulletin 79-14.Addl Matl to Be Forwarded by 790831  + (14:21:08, 8 January 2025)
• 05000335/LER-1979-023-03, /03L-0 on 790702:control Element Assembly 33 Would Not Withdraw Due to Presence of Fullout Position Indication.Caused by Faulty Upper Electric Limit Reed Switch  + (14:21:09, 8 January 2025)
• ML17266A088  + (14:21:11, 8 January 2025)
• 05000335/LER-1979-022-03, /03L-0 on 790627:during Periodic Surveillance, Testing Auxiliary Feedwater Pump Failed to Start.Cause Could Not Be Determined.Condensation in Steam Line May Have Delayed Starting Enough to Mislead Operator  + (14:21:12, 8 January 2025)
• 05000335/LER-1979-020-03, /03L-0 on 790614:auxiliary Feedwater Pump 1c Failed to Start Due to Failure of Steam Inlet Valve.Caused by Unknown Factor.Valve Operated Normally After Being Manually Cycled  + (14:21:13, 8 January 2025)
• ML17266A085  + (14:21:14, 8 January 2025)