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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

• OIG-15-A-12, OIG Audit Status Update to OIG-15-A-12 04-13-20  + (00:52:31, 26 May 2025)
• 05000499/LER-1992-005, :on 920508,CVI Actuation Occurred Due to Failure in RM-23A Module.Definite Cause of Equipment Failure Has Not Been established.RM-23A Module Replaced & Review of Module Maint History Performed  + (00:53:50, 26 May 2025)
• 05000265/LER-1992-020-01, :on 920811,declared RCIC Inoperable Retroactive Due to Failure of Egm/Egr Controller.Component Will Be Sent to Mfg for Insp,Rebuilding & Identification of Exact Problem  + (00:54:19, 26 May 2025)
• 05000352/LER-1984-039, :on 841221,reactor Water Cleanup Sys,Reactor Encl & Refuel Floor Ventilation Sys Isolated.Caused by Overvoltage of Static Inverter.Scram Reset  + (00:59:01, 26 May 2025)
• 05000413/LER-2020-001, Valid Actuation of the Unit 1 Reactor Protection System and Auxiliary Feedwater System  + (00:59:07, 26 May 2025)
• ML20102C148  + (00:59:46, 26 May 2025)
• 05000368/LER-1981-033-04, /04X-1:on 810909,during Mode 1 Operation,Condenser Offgas Radiation Monitor Identified as Having Been Inoperable for 7 Days.Caused by Erratic Radiation Element Signal Due to Moisture build-up in Piping  + (00:59:58, 26 May 2025)
• 05000265/LER-1985-001-07, :on 850125,while Performing Weekly turbine- Generator Test,Control Valve 4 fast-closed,causing Reactor Scram.Caused by Worn Bushing on Control Valve Switch Box Actuating Rod.Actuation Rod Replaced  + (01:00:03, 26 May 2025)
• 05000280/LER-1985-006, :on 850128,reactor Trip Occurred Due to Differential Pressure anti-motoring Turbine Trip.Caused by Isolation of Exhaust Pressure Sensing Line Root Valve in anti-motoring Instrumentation.Plant Returned to Svc  + (01:00:05, 26 May 2025)
• 05000280/LER-1985-004, :on 850127,reactor Tripped Due to Closing of Four Turbine Stop Valves.Caused by Insufficient Consideration of Steam Leakage Effect on Plant Parameters. Plant Parameters Returned to Stable Conditions  + (01:00:07, 26 May 2025)
• 05000335/LER-1985-001-01, :on 850125,ECCS Area Ventilation Fan HVE-9B Inadvertently Placed Out of Svc for Maint W/Redundant Fan HVE-9a Already Out of Svc.Cause Unknown.Fan HVE-9B Returned to Svc  + (01:00:08, 26 May 2025)
• 05000280/LER-1985-003, :on 850126,reactor Tripped Due to Voltage Transient Induced on Vital Bus I When Momentary Overload Condition Caused Circuit Breaker 13 to Trip Open.Cause Unknown.Plant Returned to Stable Condition  + (01:00:10, 26 May 2025)
• 05000361/LER-1985-015, :on 850121,discovered That Tech Spec Table 3.7-4b Did Not Reflect Actual Number & Size of Snubbers Installed.Caused by Design Changes Not Being Reflected in Table.Amend to Tech Specs Submitted  + (01:00:12, 26 May 2025)
• 05000346/LER-1984-006, :on 840515,unidentified RCS Leakage in Excess of 1 Gpm.Caused by Failure to Perform Surveilance Test on Reactor Protection Sys Shutdown Bypass Channels.Line Permitted to Depressurize Prior to Maint  + (01:00:14, 26 May 2025)
• 05000346/LER-1982-018-03, /03X-1:on 820326,source Range Detector NI-2 High Voltage Cable Cut by Const Electrician,Resulting in Loss of One Source Range Indicator.Caused by Problem in Coordinating Work.Cable Reconnected  + (01:00:16, 26 May 2025)
• 05000269/LER-1985-002-02, :on 850122,unit Tripped from 100% Full Power When All Six Intercept Valves Closed for Unknown Reasons Causing High Turbine Header Pressure Which Resulted in High RCS Pressure  + (01:00:20, 26 May 2025)
• 05000387/LER-1985-003-01, :on 850124,unit Scrammed on Main Turbine Control Valve Fast Closure Signal Resulting from Main Generator Lockout.Caused by Ice Formations in Main Generator a & C Isophase Bus Ducts at Low Point in Ducts  + (01:00:22, 26 May 2025)
• 05000275/LER-1985-006, :on 850125,both RHR Trains Inoperable.Caused by Closure of Loop 4 RHR Suction Valve MOV-8702 Due to Loss of 4-kV Bus Voltage.Suction Valve Opened & RHR Flow Established within 2 Minutes  + (01:01:00, 26 May 2025)
• TAC:48120  + (01:01:02, 26 May 2025)
• ML20102B430  + (01:01:03, 26 May 2025)
• ML20102B427  + (01:01:05, 26 May 2025)
• ML20102B421  + (01:01:07, 26 May 2025)
• ML20102B416  + (01:01:08, 26 May 2025)
• TAC:49356  + (01:01:10, 26 May 2025)
• TAC:52530  + (01:01:37, 26 May 2025)

• TAC:49988  + (01:01:41, 26 May 2025)

• 05000361/LER-1984-079, :on 841120,routine 18-month Surveillance Revealed 88 Deficient Pacific Scientific Mechanical Snubbers.Caused by Improper Installation & Environ Degradation  + (01:03:01, 26 May 2025)
• 05000298/LER-1992-008, :on 920611,HPCI Sys Determined Inoperable When Pump Suction Valve from Torus Would Not Stroke Properly. Caused by Worn Bronze Stem Nut Internal Diameter Threads. Nut Replaced,Operator Reinstalled & Settings Adjusted  + (01:05:17, 26 May 2025)
• TAC:42459  + (01:05:58, 26 May 2025)
• L-83-284, Forwards Response to Generic Ltr 83-28,Item 4.5.3 Re Reactor Trip Reliability.Review of Existing Tech Spec Intervals for on-line Functional Testing of Reactor Protection Sys Provided,Per 841207 Commitment  + (01:06:17, 26 May 2025)
• 05000352/LER-1992-011, :on 920605,inoperabilty of Channel B of Main Steam Line Radiation Monitoring Sys Occurred as Result of Inadequate Electrical Separation.Wiring Sleeved on 920629  + (01:06:25, 26 May 2025)
• IR 05000289/1972012  + (01:06:29, 26 May 2025)
• IR 05000289/1972007  + (01:06:30, 26 May 2025)
• L-96-005, Forwards Rev to Security Plan.Encl Withheld  + (01:07:01, 26 May 2025)
• 05000313/LER-1996-003-02, :on 960313,charcoal Filter Sample Analysis Was Not Conducted in Accordance W/Literal Requirements of TS as Result of Misinterpretation of Requirements Necessary to Achieve Compliance W/Specs.Revised Procedures  + (01:08:07, 26 May 2025)
• IR 05000275/1996005  + (01:08:16, 26 May 2025)
• 05000328/LER-1992-006-01, :on 920609,failure to Perform Surveillance Instruction within Required Time Frame Identified.Caused by Inadequate Communication Between Personnel.Si Performed  + (01:08:22, 26 May 2025)
• 05000338/LER-1996-003, :on 960314,mode 3 Entry with Inoperable Redundant Heat Trace Circuit.Caused by Personnel Error.C/A: Redundant Heat Trace Replaced,Tested & Returned to Svc on 960315  + (01:08:24, 26 May 2025)
• ML20101Q789  + (01:08:26, 26 May 2025)
• ML20101Q783  + (01:08:28, 26 May 2025)
• 05000336/LER-1996-014-01, :on 960311,weekly TS Surveillances Missed. Caused by Personnel Error W/Respect to Scheduling.C/A: Implemented Requirements of Surveillance Procedure Sp 2614A-3  + (01:08:29, 26 May 2025)
• 05000382/LER-1992-005-08, :on 920609,control Room Emergency Filtration Sys Started Automatically.Cause of Event Was Indeterminate. Technicians Will Continue to Monitor Radiation Monitor Performance During Operations  + (01:08:35, 26 May 2025)
• ML20101Q738  + (01:08:38, 26 May 2025)
• 05000244/LER-1996-004, :on 960309,decrease in Steam Generator Level Occurred.Caused by Failed Open Atmospheric Relief Valves. Booster Relay Replaced  + (01:08:39, 26 May 2025)
• ML20101Q716  + (01:08:42, 26 May 2025)
• 05000382/LER-1992-003, :on 920427,control Room Emergency Filtration Sys Started Automatically.Cause of Event Determined to Be Electric Spike.New resistor-capacitator Filters Have Been Installed  + (01:08:43, 26 May 2025)
• ML20101Q672  + (01:08:47, 26 May 2025)
• ML20101Q666  + (01:08:48, 26 May 2025)
• 05000499/LER-1992-005-01, :on 920608,inadvertent Start of Component Cooling Water Pump Occurred When Discharge Header Pressure Went Below Setpoint for Starting Standby Pump.Caused by Inadequate Procedure.Procedures to Be Changed  + (01:08:52, 26 May 2025)
• ML20101Q595  + (01:08:57, 26 May 2025)
• 05000443/LER-1992-006, :on 920612,smoke Detector in Control Room East Air Intake Actuated High Smoke Concentration Alarm.Caused by Spurious Alarm Signal Due to Adverse Environ Conditions.Work Request Initiated to Recalibr Detector  + (01:09:00, 26 May 2025)