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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

• RC-93-0069, Application for Amend to License NPF-12 Consisting of TS Change TSP 930019,replacing SGs Utilized Engineered Safeguards Design Rating of Core power.Non-proprietary Rev 1 to WCAP-13481 & Proprietary Rev 1 to WCAP-13480 Repts Encl  + (17:42:26, 26 May 2025)
• 05000348/LER-1978-084-03, /03L-0 on 781114:both Containment Atmosphere Particulate (R-11) & Gaseous (R-12) Radioactivity Monitoring Sys Were Declared Inoperable After Vacuum Pump Tripped & Would Not Restart,Due to Broken Wire in low-flow Relay  + (17:42:33, 26 May 2025)
• PMNS20200137, Notice of Meeting on the Fiscal Year 2020 Proposed Fee Rule  + (17:42:45, 26 May 2025)
• ML20064G884  + (17:43:23, 26 May 2025)
• ML20064G880  + (17:43:28, 26 May 2025)
• 05000267/LER-1978-018, Forwards LER 78-018/03X-3  + (17:43:58, 26 May 2025)
• 05000267/LER-1978-005-03, /03X-1 on 781107:malfunctions in 1A,1C & 1D Circulator Speed Measurement Caused Loss of High Speed Circulator Signals on Different Dates,Due to Elec Circuit Unbalance & Signal Cable Resistance Change in Modifiers  + (17:44:02, 26 May 2025)
• 05000267/LER-1978-005, Forwards LER 78-005/03X-1  + (17:44:16, 26 May 2025)
• 05000334/LER-1978-053-01, /01T-0:on 781026,error Noted in Original Piping Stress Analysis for on Steam Infection Line.Error Caused by Misapplication of Simplified Analysis Technique Employed During Original Design.Corrective Action Implemented  + (17:44:34, 26 May 2025)
• 05000334/LER-1978-053, Forwards LER 78-053/01T-0  + (17:44:37, 26 May 2025)
• 05000315/LER-1982-024-03, 1-HV-AES-1 of ESF Ventilation Sys Returned to Svc W/O Completing Testing Required by Tech Specs.Incident Repeated on 820419.Caused by Personnel Errors & Procedural Inadequacies  + (17:45:15, 26 May 2025)
• 05000348/LER-1978-079-01, /01T-0:on 781114,water Levels in Both Fire Protec Sys Water Storage Tanks Were Approx 135,000 Gallons Less than Prescribed Min Due to Water Diverted for Hydrostatic Test by Const Personnel  + (17:45:40, 26 May 2025)
• 05000293/LER-1982-013-03, HPCI High Temp Switch TS2373C,contributing to Trip Logic of HPCI Turbine,Did Not Actuate.Caused by Heat Gun Reducing Output & Air Currents in Area of Switches During Test.Heat Output to Be Shielded  + (17:46:13, 26 May 2025)
• 05000293/LER-1982-013, Forwards Updated LER 82-013/03X-1  + (17:46:16, 26 May 2025)
• ML20064F635  + (17:47:24, 26 May 2025)
• 05000387/LER-1982-062-01, /01P-0:on 821223,during Performance of Loss of Offsite Power Test,Both Standby Gas Treatment Sys Trains Failed.Caused by High Radiation Trip Due to Heater Not Raising Proper Air Temp within Time Limit.Mods Initiated  + (17:47:37, 26 May 2025)
• 05000395/LER-1982-016-03, Main Control Board Indicator for Reactor Bldg Pressure (PI-950) Failed Low. Cause Still Under Investigation.Surveillance Test Procedure 303.001 Performed Satisfactorily.Channel Returned to Svc  + (17:47:41, 26 May 2025)
• 05000395/LER-1982-016, Forwards Revised LER 82-016/03L-1.Detailed Event Analysis Encl  + (17:47:48, 26 May 2025)
• 05000348/LER-1978-038-03, /03X-1 on 780527:during Unit Startup,B S/G Code Safety Valve Lifted Causing Tavg to Drop Below 541 Degrees F in Violaion of T/S3.1.1.5.Caused by Broken Lower Adjusting Ring Locking Pin.Valve Was Replaced  + (17:48:09, 26 May 2025)
• 05000338/LER-1978-100-01, /01X-0 on 781108:a Field Mod Was Made to Vessel Lower Head Insulation & the Mod Was Not Seismically Analyzed IAW FSAR Due to Personnel Error.Subsequently Analyzed by Stone & Webster & by Westinghouse  + (17:48:19, 26 May 2025)
• ML20064F221  + (17:48:24, 26 May 2025)
• TAC:45643  + (17:48:31, 26 May 2025)
• 05000387/LER-1982-061-01, /01P-0:on 821222,emergency Svc Water Pumps B & D Failed to Start.Caused by Loose Wire Connection on Relay in One Pump Logic & states-link Not Properly Tightened in Other Pump Circuit.Both Items Corrected.Confirms 821222 Telc  + (17:48:52, 26 May 2025)
• SECY-19-0121, VR-SECY-19-0121: Denial of Petition for Rulemaking on Power Reactors in Extended Shutdown (PRM-50-114; NRC-2019-0204)  + (17:49:08, 26 May 2025)
• 05000368/LER-1978-015-01, /01T-0 on 781108:technician Installed Replacement Speed Switch in B Emergency Diesel Generator W/O Having Job Order Approved by Shift Supervisor.Due to Forgetfulness of Instru Technician  + (17:49:19, 26 May 2025)

• 05000368/LER-1978-013-01, /01T-0 on 781107:received Notice That Speed Switch Made by Dynalog Corp Had Design Problem That Could Cause Failure.Speed Switch Replaced  + (17:49:22, 26 May 2025)

• L-94-008, Forwards Proprietary & Nonproprietary Versions of Rev 7 to EPIP 8.4.1, Post-Accident Sampling & Analysis of Potentially High Activity Reactor Coolant, & Rev 20 to EPIP Index.Proprietary Version Withheld  + (17:49:26, 26 May 2025)
• 05000277/LER-1982-035, Forwards Revised LER 82-035/01X-1.Revised Detailed Event Analysis Encl  + (17:49:43, 26 May 2025)
• 05000324/LER-1978-079-03, /03L-0 on 781017:reactor Bldg Radiat Exhaust Monitor D12-RM-N010B Failed Safe Causing Reactor Bldg Vent to Isolate,Due to Defective Transistor 2N1711 on 24V Pwr Supply  + (17:49:58, 26 May 2025)
• 05000318/LER-1982-033-01, Six Accessible Snubbers in Main Feedwater & Auxiliary Steam Supply Sys Not Tested According to Surveillance Test Program.Caused by Discrepancy Between safety-related Item List & Piping Stress Analyses  + (17:50:08, 26 May 2025)
• ML20064E478  + (17:50:57, 26 May 2025)
• 05000325/LER-1978-078-03, /03L-0 on 781105:Control Oper Received Control Rod Drift Alarm for Rod 10-31.When Rod Position Display Was Selected,A False 3 Was Superimposed on Actual Rod Position Due to Aground on the Rpls Probe  + (17:51:12, 26 May 2025)
• 05000325/LER-1978-078, Forwards LER 78-078/03L-0  + (17:51:15, 26 May 2025)
• 05000348/LER-1978-077-03, /03L-0:on 781011,1B Diesel Generator Declared in Oper When Inner Stage Relief on B Air Compressor Lifted. Cause:Desiccant from Recently Installed Air Dryers.B Air Compressor Replaced & Desiccant Removed  + (17:51:38, 26 May 2025)
• 05000348/LER-1978-066-03, /03X-1 on 780914:inspec of Diesel Generator Bldg Noted Lb D/G Air Start Sys Air Reservoir 1A,1B Pressures Were 210 PSIG & 80 Psig,Due to 1B Air Compressor Relief Valve/Check Valve Leakage  + (17:52:13, 26 May 2025)
• ML20064D669  + (17:52:26, 26 May 2025)
• 05000338/LER-1978-107-03, /03L-0:on 781005,during Full Power Operation, Containment Atmosphere & Gas Monitoring Sys Inoperable.On 781005,breaker to Containment Atmosphere Particulate & Gas Monitoring Pump Opened,Cutting Power to Sys  + (17:52:46, 26 May 2025)
• ML20064D503  + (17:52:50, 26 May 2025)
• 05000259/LER-1978-029, Forwards LER 78-029/01T-0  + (17:53:27, 26 May 2025)
• ML20064D106  + (17:53:32, 26 May 2025)
• 05000311/LER-1982-015, Supplemental LER 82-015/03X-1:on 820221,discovered That Reactor Coolant Leak Rate Surveillance 4.4.7.2.d Due 820220 Not Performed Because Plant Had Not Been in steady-state Condition Due to 820219 Reactor Trip  + (17:53:58, 26 May 2025)
• 05000338/LER-1978-090-03, /03L-0:on 780919,during Critical steady-state Operation,Axial Flux Difference Deviated Greater than -5% from Target.Caused by Rapid Load Reduction Necessitated by Clogging of Condensate Pump Strainer  + (17:54:34, 26 May 2025)
• 05000311/LER-1981-089, Supplemental LER 81-089/03X-1:on 810817,during Routine Wear & Alignment Check,Auxiliary Feedwater Pump 23 Linkage Between Trip Mechanism & Valve Found Loose.Caused by Loose Bolts.Bolts Tightened  + (17:55:07, 26 May 2025)
• 05000321/LER-1980-064-03, RCIC Sys Initiated But Failed to Respond to Speed Control.Turbine Trip & Throttle Valve Failed to Close.Caused by Failure of Egr in Governor Sys to Respond Correctly & Out of Adjustment Limit Switch  + (17:56:19, 26 May 2025)
• 05000321/LER-1980-064, Forwards Updated LER 80-064/03X-1  + (17:56:23, 26 May 2025)
• A820023, Forwards Util Response to NRC Preliminary Recommendations Re Requested Exemptions from App R,Section Iii.G  + (17:56:30, 26 May 2025)
• 05000259/LER-1981-037, Forwards Updated LER 81-037/01X-2  + (17:57:15, 26 May 2025)
• TXX-9054, Forwards Comanche Peak Steam Electric Station Unit 1 ASME Section XI Inservice Program Plan, Per 10CFR50.55a(g)  + (17:57:39, 26 May 2025)
• ML20064B320  + (17:58:01, 26 May 2025)
• ML20064B073  + (17:58:34, 26 May 2025)
• TXX-9029, Responds to NRC Re Violations Noted in Insp Repts 50-445/89-57 & 50-446/89-57.Corrective Actions:Storage Facilities for Instrumentation & Control Work Packages Improved to Provide Acceptable Protection for Documents  + (17:59:44, 26 May 2025)