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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

• ML20238F190  + (23:09:40, 22 May 2025)
• ML20238F080  + (23:10:02, 22 May 2025)
• 05000461/LER-1998-022, :on 980729,discovered That Surveillance Testing of Div 2 DG Fuel Oil Transfer Pump & Div 2 DG Fuel Oil Storage Tank Had Not Been Performed.Caused by Data Input Error.Will Update & Verify Completion Dates in Database  + (23:10:09, 22 May 2025)
• ML20238F033  + (23:10:14, 22 May 2025)
• TAC:65852  + (23:10:23, 22 May 2025)
• ML20238E989  + (23:10:27, 22 May 2025)
• 05000327/LER-1987-054, :on 870810,Tech Spec Action Requirement Not Met on Control Room Isolation Radiation Monitors Due to Equipment Being Inoperable for Required Testing.Caused by Design Deficiency.Monitor Returned to Svc  + (23:11:16, 22 May 2025)
• 05000271/LER-1987-010, :on 870820,primary Containment Isolation Sys Group III Isolation Occurred Due to High Radiation Signal from Refuel Floor Zone Radiation Detector.Caused by Defective Procedure.Isolation Reset  + (23:11:17, 22 May 2025)
• 05000482/LER-1987-031, :on 870811,fuel Pool Cooling HX Doors Not Certified as 3 H Fire Rated Barriers Per Tech Spec Section 3.7.11.Cause Not Determined.Design Change Implemented to Install Fire Rated Doors  + (23:11:25, 22 May 2025)
• NSD-NRC-97-5370, Transmits Results of AP600 Foake Design Assurance Review as Requested in NRC .Info Is Being Provided to Close Unresolved Item Identified in Insp Rept 99900404/97-01  + (23:11:34, 22 May 2025)
• 05000382/LER-1987-021, :on 870807,fire Seal for Penetration VI A0126 Discovered Missing.Caused by Error in Const Documentation. Seal Will Be Repaired by 870930 & Station Mod 2001 Issued to Revise Appropriate Documents  + (23:11:39, 22 May 2025)
• 05000414/LER-1987-023-01, :on 870807,unusual Event Declared Due to Inoperable Containment Valve.Caused by Improper Setting of Air Actuator Following Maint Activity.Valve Repaired & Successfully Retested  + (23:11:41, 22 May 2025)
• 05000327/LER-1987-051, :on 870812,during Essential Raw Cooling Water Sys Insp,Determined That Certain skid-mounted Valves Not Checked for Proper Position on 31-day Interval,Per Tech Specs.Caused by Administrative Error  + (23:11:44, 22 May 2025)
• 05000266/LER-1998-025, :on 980731,determined That Operation of CR Smoke Exhaust fan,W-13C,could Prevent Maintaining Positive Pressure in Cr.Caused by Oversight in Initial Mod Project. Administrative Controls Implemented for Operation of Fan  + (23:11:46, 22 May 2025)
• 05000443/LER-1987-015, :on 870813,multiple ESFs Associated W/Train B Actuated.Caused by Actuation of Safety Injection Reset. Installation Procedures for Mod Amended to Require That Solid State Protection Sys Be in Test Mode  + (23:11:48, 22 May 2025)
• 05000327/LER-1987-055, :on 870217,Rev 0 to Significant Condition Rept SQNEEB8743 Issued Re Loss of Water Supply to Auxiliary Feedwater Sys.Caused by Design Deficiencies for Installation of Instrument Lines.Change Notices Issued  + (23:11:50, 22 May 2025)
• ML20238E831  + (23:11:52, 22 May 2025)
• ML20238E830  + (23:11:53, 22 May 2025)
• 05000000/LER-1986-022-02, Partially Deleted LER 86-022-02:on 861018,potential Undetected Access Into Vital Area Discovered.Caused by Use of Incorrect Procedure.Card Reader Replaced & Tested to Ensure Proper Operation  + (23:12:09, 22 May 2025)
• 05000461/LER-1987-049, :on 870819,two Channel Tests Not Performed within 24 H Time Interval.Caused by Util Licensed Operator Error Due to Confusion During Shift Transition.Control Room Operator Surveillance Log Data Sheet Revised  + (23:12:11, 22 May 2025)
• 05000413/LER-1987-018, :on 870423,containment Pressure Channel Declared Inoperable.Caused by Failure to Return Transmitter to Svc Following Calibr.Pressure Transmitter Isolation Valve Reopened & Channel Returned to Svc  + (23:12:14, 22 May 2025)
• 05000413/LER-1987-033, :on 870406,operability of Diesel Generator 1B Not Verified within Time Limit Required by Tech Specs.Event Discovered on 870803.Caused by Personnel Error.Weekly Surveillances Begun Upon Discovery of Incident  + (23:12:16, 22 May 2025)
• 05000000/LER-1986-022-01, Partially Deleted LER 86-022-01:on 861018,determined That Card Reader at Vital Area Door Would Grant Unauthorized Access.Caused by Technicial Incorrectly Programming Card Readers.Card Reader Replaced & Tested  + (23:12:18, 22 May 2025)
• 05000000/LER-1986-022, Partially Deleted LER 86-022-00:on 861018,determined That Vital Area Door Card Reader Would Grant Unauthorized Access to Area.Caused by Technician Incorrectly Programming Card Reader.Card Reader Replaced & Tested  + (23:12:20, 22 May 2025)
• 05000271/LER-1987-006, :on 870810,operations Personnel Increased Standby Liquid Control Storage Tank Level W/O Requesting Chemistry Sample Analysis.Caused by Communication Deficiency.Operating Procedures Revised  + (23:12:23, 22 May 2025)

• 05000245/LER-1987-034, :on 870814,reactor Scram Occurred Due to Intermediate Power Range Monitor hi-hi Flux.Caused by Operator Error.Personnel Instructed to Use Discretion Re Continuous Control Rod Withdrawal  + (23:12:26, 22 May 2025)

• 05000373/LER-1987-028-01, :on 870813,control Room B HVAC Sys Ammonia Detector B Tripped & ESF Actuation Occurred.Caused by Tape Breakage in Chemcassette Assembly.Chemcassette Tape Readjusted & Verified as Functional  + (23:12:28, 22 May 2025)
• ML20238E774  + (23:12:31, 22 May 2025)
• 05000482/LER-1998-001, :on 980304,noted That Pressurizer Code Safety Valves Indicate Five Random Failures in Last Twelve Tests. Caused by Incapability of Valves to Meet Restrictive Tolerance of +/-1% of Valve Pressure.Ts Will Be Amended  + (23:12:43, 22 May 2025)
• ML20238E745  + (23:12:47, 22 May 2025)
• ML20238E742  + (23:12:49, 22 May 2025)
• 05000282/LER-1998-009, :on 980731,determined That Recent Testing of Rc Vent Sys Had Not Been Performed,Per Ts.Caused by Inadequate Procedures.Surveillance Procedures Will Be Modified to Verify Flow Through Rc Vent Sys Paths  + (23:12:51, 22 May 2025)
• ML20238E736  + (23:12:53, 22 May 2025)
• 05000000/LER-1986-007-01, Partially Deleted LER 86-007-01:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable Due to Heavy Rain.Cable Dried,Leak Repaired & Design Corrected  + (23:12:59, 22 May 2025)
• 05000000/LER-1986-007, Partially Deleted LER 86-007-00:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable During Heavy Rain.Situation Will Be Evaluated for Addl Action  + (23:13:01, 22 May 2025)
• ML20238E716  + (23:13:03, 22 May 2025)
• ML20238E711  + (23:13:05, 22 May 2025)
• 05000000/LER-1986-004-01, Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of Cause  + (23:13:06, 22 May 2025)
• IR 05000158/2039001  + (23:13:08, 22 May 2025)
• 05000000/LER-1986-004, Partially Deleted LER 86-004-00:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Caused by Malfunction.Computer Svcs Personnel Will Monitor Sys for Indicators as to Cause  + (23:13:08, 22 May 2025)
• TAC:7089  + (23:13:09, 22 May 2025)
• ML20238E681  + (23:15:26, 22 May 2025)
• ML20238E620  + (23:16:43, 22 May 2025)
• ML20238E585  + (23:16:53, 22 May 2025)
• TAC:61468  + (23:16:56, 22 May 2025)
• 05000461/LER-1987-047, :on 870814,inservice Insp Surveillance Not Performed as Required by Tech Spec 4.0.5.Caused by Personnel Error.Rhr Pump Room Cooling Coil Shutdown Svc Water Outlet Valves Tested & Procedure Revised Temporarily  + (23:17:04, 22 May 2025)
• ML20238E508  + (23:17:15, 22 May 2025)
• 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed  + (23:17:24, 22 May 2025)
• IR 05000498/1987021  + (23:17:26, 22 May 2025)
• ML20238E439  + (23:17:31, 22 May 2025)
• IR 05000259/1987027  + (23:18:32, 22 May 2025)