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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

• 05000280/LER-1985-001, :on 850101,safe Signal Placed in Loop B Channel 2 of Overtemp Delta T W/O Cognizance of Operations or Instrumentation Staff.Caused by Lack of Administrative Controls.Event Will Be Reviewed  + (08:55:03, 13 December 2024)
• ML20101U007  + (08:55:04, 13 December 2024)
• ML20101U002  + (08:55:05, 13 December 2024)
• 05000483/LER-1985-001-01, :on 850102,inadvertent Steam Generator lo-lo Level Reactor Trip Occurred.Feedwater Isolation Valve Fast Closed.Caused by Failed Solenoid in Valve Control Circuit  + (08:55:12, 13 December 2024)
• ML20101T993  + (08:55:14, 13 December 2024)
• 05000373/LER-1985-001-01, :on 850102,level Switches LIS-B21-N100A & B for HPCS Injection Valve High Reactor Level Closure Found Out of Tolerance in Nonconservative Direction.Caused by Instrument Drift.Switch Setpoints Recalibr  + (08:55:15, 13 December 2024)
• ML20101T985  + (08:55:17, 13 December 2024)
• ML20101T988  + (08:55:17, 13 December 2024)
• ML20101T980  + (08:55:18, 13 December 2024)
• ML20101T979  + (08:55:20, 13 December 2024)
• SNRC-1969, Erratum to Author (LSNRC-1929) Re Decommissioning Plan Changes for Component Cutting/Removal Techniques.Last Line of Page 2 Was Inadvertently Omitted Due to Formatting Error  + (08:55:21, 13 December 2024)
• ML20101T963  + (08:55:22, 13 December 2024)
• ML20101T944  + (08:55:23, 13 December 2024)
• ML20101T933  + (08:55:24, 13 December 2024)
• ML20101T926  + (08:55:25, 13 December 2024)
• 05000334/LER-1984-011, :on 841012,eight Main Steam Safety Valve Lift Settings Found Outside Tech Spec Limits.Caused by Setpoint Drift.Valves Adjusted & Tested  + (08:55:27, 13 December 2024)
• ML20101T916  + (08:55:28, 13 December 2024)
• 05000454/LER-1984-021-02, :on 841127,main Control Room Ventilation Sys Switched to ESF Mode.Caused by Main Control Room Process Radiation Monitors Failing Automatic Check Source Tests Due to Insufficient Tolerance in Check Setpoints  + (08:55:30, 13 December 2024)
• 05000454/LER-1984-038-03, :on 841231,control Room Ventilation Sys Switched to make-up Mode of Operation.Caused by Spurious High Radiation & Interlock Alarm on Radiation Monitor OPR34J.Noise Suppression Devices Installed  + (08:55:33, 13 December 2024)
• B11388, Responds to NRC Re Violations Noted in Insp Rept 50-336/80-11.Corrective Actions:Radiation Monitors Relocated to Lower Background Radiation Area Using New Offstream Liquid Effluent Monitors & Associated Electronics  + (08:55:34, 13 December 2024)
• 05000321/LER-1985-001, :on 850105,reactor Water Cleanup Sys Automatically Isolated Due to High Differential Flow Trip Signal.Caused by Air Trapped in Sensing Lines of Sys Inlet Flow Transmitter G31-N036  + (08:55:36, 13 December 2024)
• ML20101T886  + (08:55:37, 13 December 2024)
• 05000249/LER-1984-016, :on 841014,reactor Scram Occurred Due to Low Condenser Vacuum.Caused by Valve 3-4402-A Not Opening Completely.Stem for Valve Lubricated & Valve Cycled Six Times  + (08:55:39, 13 December 2024)
• 05000361/LER-1985-005, Forwards LER 85-005-00 Re Control Room Isolation Actuation. Events Involve Components Common to Units 2 & 3.Single Rept Submitted in Accordance w/NUREG-1022  + (08:55:40, 13 December 2024)
• ML20101T851  + (08:55:41, 13 December 2024)

• ML20101T842  + (08:55:42, 13 December 2024)

• 05000333/LER-1992-033, :on 920617 & 25,determined That Type B Local Leak Rate Testing Program Per TS 4.7.A.2.b.1 for Primary Containment Penetrations Contained Deficiency.Caused by Personnel Error.Procedures Changed  + (08:55:43, 13 December 2024)
• 05000373/LER-1984-092-01, :on 841230,high Radiation Area Unsecured & Unattended.Caused by Personnel Not Verifying That All Access Doors Locked & Secured.Security Guard Provided Further Surveillance Until Door Modified  + (08:55:45, 13 December 2024)
• ML20101T787  + (08:55:47, 13 December 2024)
• ST-HL-AE-4150, Forwards Endorsement 13 to Maelu Certificate M-0113, Endorsement 14 to Maelu Certificate M-0113,Endorsement 13 to Maelu Certificate M-0116 & Endorsement 11 to Nelia Certificate N-0113,as Evidence of Financial Protection  + (08:55:48, 13 December 2024)
• 05000280/LER-1984-027, :on 841218,during Surveillance Testing of Emergency Diesel Generator 3,fire Occurred in Vicinity of Turbocharger.Caused by Leaking Fitting on Fuel Injector Line Which Allowed Fuel Oil to Leak Into Lube Oil  + (08:55:50, 13 December 2024)
• ML20101T755  + (08:55:51, 13 December 2024)
• 05000352/LER-1984-043, :on 841228,discovered Closure of Valve SV-52-139 Could Not Be Verified for Prior Period.Caused by Containment Atmospheric Control Valve Not Properly Measuring Valve Stroking Time  + (08:55:53, 13 December 2024)
• BSEP-85-0007, Special Rept 1-SR-84-6:on 841218,14-day Requirement of Limiting Conditions for Operation of Zone 14 Fire Detection Instruments Exceeded After 841204 Discovery That Control Room Annunciator Did Not Alarm During Performance Test  + (08:55:55, 13 December 2024)
• 1CAN018508, Advises That Addl Time Needed to Complete in-house Review & Formal Acceptance of Results of Duke Power Co Analytical Work on Generic Ltr 81-21 Re Natural Circulation Cooldown. Submittal Will Be Completed by 850228  + (08:55:56, 13 December 2024)
• ML20101T745  + (08:55:56, 13 December 2024)
• 05000352/LER-1984-044, :on 841229,RHR Sys Shutdown Cooling Loop a Blocked Out of Svc for Maint W/No Alternate Method of DHR Demonstrated.Caused by Personnel Error.Block on Loop a Cleared  + (08:55:58, 13 December 2024)
• ML20101T734  + (08:55:59, 13 December 2024)
• ML20101T732  + (08:56:00, 13 December 2024)
• 1CAN079201, Advises That Util & B&W Owners Group Completed Stress & Fatigue Analyses to Ensure Compliance W/Applicable Code Requirements,Per NRC Bulletin 88-011 Re Pressurizer Surge Line Thermal Stratification  + (08:56:01, 13 December 2024)
• ML20101T730  + (08:56:02, 13 December 2024)
• 05000364/LER-1985-001, :on 850119,nine Tubes in Steam Generator 2A Plugged Based on Eddy Current Testing Results.Cause Not Stated  + (08:56:03, 13 December 2024)
• 05000280/LER-1984-026-01, :on 841231,reactor Trip Occurred When Reactor Trip Breaker B Opened.Cause Undetermined.Reactor Trip Breaker B Inspected & Shunt Devices Tested.No Discrepancies Found  + (08:56:06, 13 December 2024)
• ML20101T713  + (08:56:07, 13 December 2024)
• 05000374/LER-1985-001, :on 850107,HPCS Pump Suction Valve to Suppression Pool Opened,While Normal Suction Valve to Cycled Condensate Tank Closed.Caused by High Suppression Pool Level.Pool Level Lowered & HPCS Reestablished  + (08:56:08, 13 December 2024)
• 05000281/LER-1984-020-02, :on 841231,while Transferring Feed Flow from Bypass Valves to Main Feedwater Regulating Valves,Reactor Trip Occurred Due to Low Level W/Steam Flow/Feed Flow Mismatch in Steam Generator B  + (08:56:11, 13 December 2024)
• ML20101T704  + (08:56:12, 13 December 2024)
• JAFP-92-0527, Responds to NRC Re Violations Noted in Insp Rept 50-333/92-81 on 920413-0501.Corrective Actions:Chiller Condenser Svs Water/Esw Pressure Boundary Has Been Reclassified as Safety Related & MCM-6A Will Be Revised  + (08:56:13, 13 December 2024)
• ML20101T700  + (08:56:13, 13 December 2024)
• 3F0792-09, Responds to NRC Re Violations Noted in Insp Rept 50-302/92-12.Corrective Actions:Permanent Change Was Made to General Employee Training on 920707,strengthening Individual Awareness of Responsibilities Re High Radiation Barriers  + (08:56:14, 13 December 2024)
• ML20101T686  + (08:56:15, 13 December 2024)