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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

• 05000259/LER-1986-028-01, :on 860828,personnel Access Doors from Turbine Bldg Into Reactor Bldg Opened at Same Time Resulting in Momentary Loss of Secondary Containment.Caused by Rectifier Solenoid Failure.Rectifier Replaced  + (12:33:58, 23 May 2025)
• 05000348/LER-1986-020, :on 861107,RCS Pressure Increased Uncontrollably Prior to Reactor Coolant Pump Startup.Caused by Operator Error.Rhr Loop Suction Pressure Relief Valve Opened  + (12:34:00, 23 May 2025)
• 05000366/LER-1986-032-01, :on 861026,during Backwashing & Precoating RWCU Demineralizer Vessel 2G31-D002B,RWCU Sys Isolated on High Differential Flow Signal.Caused by Mechanical Element Becoming Stuck.Isolation Signal Reset  + (12:34:13, 23 May 2025)
• 1CAN128604, Forwards Nonproprietary Info & Affidavits Required to Support Proprietary Status of Info Presented at 861023 Meeting W/Nrc Re Actions & Insp Results on Reactor Coolant Pumps.Proprietary Info Will Be Provided  + (12:34:24, 23 May 2025)
• 05000269/LER-1986-013-04, :on 861023,personnel Determined Procedures Used for Operation & Maint of Hydrostation Not Reviewed &/Or Approved Properly.Caused by Mgt/Qa Deficiency.Procedures Program Revised  + (12:34:30, 23 May 2025)
• IR 05000413/1986023  + (12:34:33, 23 May 2025)
• IR 05000424/1986056  + (12:34:40, 23 May 2025)
• IR 05000395/1986015  + (12:34:52, 23 May 2025)
• 05000327/LER-1986-052, :on 861104,high Radiation Area Door Left Unlocked.Caused by Two Personnel Errors.Personnel Involved Counseled on Procedural & Tech Spec Compliance Requirements  + (12:34:55, 23 May 2025)
• ML20214V040  + (12:35:02, 23 May 2025)
• IR 05000302/1985026  + (12:35:06, 23 May 2025)
• ML20214V028  + (12:35:06, 23 May 2025)
• IR 05000416/1986020  + (12:35:07, 23 May 2025)
• 05000529/LER-1986-031-01, :on 860826,hourly Fire Watch of 100 Ft Elevation in Auxiliary Bldg Not Performed.Caused by Potential High Noble Gas Concentration & Cognitive Personnel Error.Fire Watch Personnel Counseled  + (12:35:10, 23 May 2025)
• 05000277/LER-1986-018-02, :on 860826,reactor Water Level Transmitter Found Out of Svc.Caused by Personnel Failure to Return Instrument Rack Isolation Valves to Proper post-test Position.Transmitter Valved Into Svc  + (12:35:13, 23 May 2025)
• 05000528/LER-1986-050, :on 861101,accumulators of MSIV Found Below Min Pressure Required for Operability.Limiting Condition for Operation 3.0.3 Entered.Caused by Personnel Error.Documents Generated to Verify Oil Levels in MSIV  + (12:35:21, 23 May 2025)
• IR 05000338/1986007  + (12:35:22, 23 May 2025)
• IR 05000352/1986019  + (12:35:23, 23 May 2025)
• 05000374/LER-1986-015, :on 860823,RWCU Isolated on High Differential Flow Due to Flow Losses Through Stuck Open Relief Valve on Regenerative Heat Exchanger.Caused by Damaged Valve Stem. Valve Repaired  + (12:35:25, 23 May 2025)
• IR 05000413/1986027  + (12:35:27, 23 May 2025)
• 05000213/LER-1986-041, :on 860830,feedwater Regulating Valve FW-FCV-1301-1 to Steam Generator 1 Became Stuck Open,Causing Manual Reactor Trip.Caused by Failure of Weld Between Stem & Plug.Failed Part of Weld Sent to Mfg  + (12:35:38, 23 May 2025)
• IR 05000395/1986013  + (12:35:41, 23 May 2025)
• 05000327/LER-1987-025, :on 870506,determined That Tech Spec Surveillance Requirement 4.6.4.3.a Acceptance Criteria Not Being Fully Implemented.Caused by Inadequate Procedure. Surveillance Instructions to Be Revised  + (12:35:43, 23 May 2025)
• 05000315/LER-1986-020-02, :on 851102,860623,831016 & 840702,main Steam Safety Valve Lift Setpoints Found Out of Spec.Caused by Lack of Procedural Instructions.Procedure Will Be Modified on 860825  + (12:35:46, 23 May 2025)
• ML20214U856  + (12:36:00, 23 May 2025)

• ML20214U809  + (12:36:19, 23 May 2025)

• ML20214U788  + (12:36:23, 23 May 2025)
• 05000275/LER-1986-009-01, :on 860820,during Surveillance Test Procedure M-16N,inadvertent Actuation of Auxiliary Feedwater Pump 1-3 Occurred.Caused by Personnel Error.Individual Counseled. Procedure Will Be Revised  + (12:36:31, 23 May 2025)
• ML20214U736  + (12:36:37, 23 May 2025)
• IR 05000317/1986010  + (12:36:42, 23 May 2025)
• ML20214U672  + (12:36:57, 23 May 2025)
• ML20214U585  + (12:37:14, 23 May 2025)
• ML20214U497  + (12:37:33, 23 May 2025)
• TAC:61504  + (12:37:46, 23 May 2025)
• ML20214U352  + (12:38:45, 23 May 2025)
• IR 05000169/2008001  + (12:38:52, 23 May 2025)
• ML20214U120  + (12:40:23, 23 May 2025)
• IR 05000369/1986031  + (12:40:33, 23 May 2025)
• ML20214U013  + (12:40:52, 23 May 2025)
• IR 05000456/1986025  + (12:40:55, 23 May 2025)
• AECM-86-0362, Forwards Rept of 10CFR50.59 Safety Evaluations,Jan-June 1986,Grand Gulf Nuclear Station, Discussing Changes,Tests & Experiments  + (12:41:07, 23 May 2025)
• A06423, Advises That Response to NRC 870310 Request for Addl Info Re Unresolved Items from SEP Topics II-2.A & III-7.B Will Be Provided by 880131  + (12:41:45, 23 May 2025)
• ML20214T749  + (12:41:56, 23 May 2025)
• ML20214T746  + (12:41:57, 23 May 2025)
• IR 05000336/1986010  + (12:42:57, 23 May 2025)
• ML20214T685  + (12:43:07, 23 May 2025)
• ML20214T575  + (12:43:37, 23 May 2025)
• IR 05000461/1986005  + (12:43:50, 23 May 2025)
• IR 05000324/1987010  + (12:43:51, 23 May 2025)
• ML20214T503  + (12:44:05, 23 May 2025)
• ML20214T489  + (12:44:13, 23 May 2025)