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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
- 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)
- ML20101Q583 + (01:09:01, 26 May 2025)
- 05000275/LER-1992-001, :on 920214,0608,19 & 25,plant Operated Outside of Design Basis Re App R Criteria.Caused by Personnel Error Due to Lack of Attention to Detail.Fire Watches Established, Operators Notified & Design Change Initiated + (01:09:05, 26 May 2025)
- 05000455/LER-1992-026, :on 920610,feedwater Alarm Received on Loop C Sg,Sg Feedwater Regulating Valve Failed Closed & Manual Reactor Trip Initiated.Caused by Failure of Valve Operator Diaphragm.Diaphragms Replaced + (01:09:08, 26 May 2025)
- ML20101Q524 + (01:09:12, 26 May 2025)
- ML20101Q513 + (01:09:13, 26 May 2025)
- ML20101Q500 + (01:09:16, 26 May 2025)
- 05000461/LER-1992-008-01, :on 920623,inattention to Detail Surveillance Resulted in Mispositioning Reactor Mode Switch & Actuation of Containment Isolation Valves & Reactor Protection Sys. Operator Counseled + (01:09:24, 26 May 2025)
- ML20101Q433 + (01:09:26, 26 May 2025)
- 05000445/LER-1992-014, :on 920611,loss of Main Feedwater Resulted in Manual Reactor Trip Due to Rapidly Lowering Steam Generator Levels.Replaced Circuit Cards Were Sent to Ssps Vendor for Further Testing + (01:09:28, 26 May 2025)
- 05000352/LER-1984-020, :on 841123,main Control Room Ventilation Sys Isolated.Caused by Inadvertent Trip of D14 Emergency Bus. Isolation Reset & Ventilation Returned to Normal + (01:09:30, 26 May 2025)
- 05000352/LER-1984-015-01, :on 841126,outboard RHR Shutdown Cooling Valves Isolated.Caused by Procedural Deficiency During Surveillance Testing.Shutdown Cooling Mode Restored at End of Test + (01:09:33, 26 May 2025)
- 05000352/LER-1984-014-02, :on 841121,reactor Encl Isolated Due to Low Differential Pressure Resulting from HVAC Sys Deenergizing. Caused by Operator Deenergizing Circuit Which Provides Power to Temp Switches.Operator Counseled + (01:09:35, 26 May 2025)
- 05000352/LER-1984-019, :on 841126,inboard RHR Shutdown Cooling Suction Valve Isolated.Caused by Inadvertent Actuation of One Reactor Steam Dome High Pressure Switch.After Isolation Signal Cleared,Rhr Sys Returned to Normal + (01:09:36, 26 May 2025)