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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

• 05000206/LER-1990-016, :on 900727,susceptibility to ECCS Single Failures Occurred Due to Analysis Deficiencies.Followup Rept Will Be Provided Prior to Startup to Discuss Cause of Findings & Identify Corrective Actions Taken  + (05:48:52, 11 January 2025)
• ML13331B285  + (05:48:54, 11 January 2025)
• ML13331B284  + (05:48:55, 11 January 2025)
• TAC:74307  + (05:48:55, 11 January 2025)
• ML13331B283  + (05:48:56, 11 January 2025)
• ML13331B282  + (05:48:58, 11 January 2025)
• ML13331B281  + (05:48:59, 11 January 2025)
• ML13331B278  + (05:49:02, 11 January 2025)
• ML13331B276  + (05:49:07, 11 January 2025)
• 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed  + (05:49:09, 11 January 2025)
• 05000206/LER-1990-014, :on 900709,Diesel Generator 2 Automatically Started Due to Loss of Bus Signal.Caused by Inadequate Temporary Tape Insulation of Lifted Lead.Lifted Lead Restored & Training Program Will Be Enhanced  + (05:49:11, 11 January 2025)
• 05000206/LER-1989-024-01, :on 890929,during Review of Containment Spray Sys Flow Restricting Valves,Determined That Implementation of Tech Spec 3.3.1.D Would Result in Degraded Flow.Caused by Personnel Error.Specs Developed  + (05:49:13, 11 January 2025)
• ML13331B271  + (05:49:14, 11 January 2025)
• ML13331B269  + (05:49:15, 11 January 2025)
• ML13331B268  + (05:49:16, 11 January 2025)
• ML13331B265  + (05:49:18, 11 January 2025)
• ML13331B264  + (05:49:19, 11 January 2025)
• ML13331B262  + (05:49:20, 11 January 2025)
• ML13331B261  + (05:49:21, 11 January 2025)
• TAC:55408  + (05:49:21, 11 January 2025)
• ML13331B259  + (05:49:22, 11 January 2025)
• ML13331B257  + (05:49:23, 11 January 2025)
• ML13331B256  + (05:49:24, 11 January 2025)
• ML13331B255  + (05:49:25, 11 January 2025)
• ML13331B254  + (05:49:26, 11 January 2025)

• 05000206/LER-1989-029, :on 891222,determined That Filter on Refueling Water Storage Tank Recirculation Line Could Fail During Seismic Event.Caused by Engineering Deficiencies Noted in 881003 Submittal.Filter Pump Sys Upgraded  + (05:49:27, 11 January 2025)

• ML13331B252  + (05:49:29, 11 January 2025)
• PNO-V-90-004, on 900116,spurious Emergency Siren Activation Occurred.Caused by Malfunction Due to Wet Cable.Corrective Action in Progress  + (05:49:31, 11 January 2025)
• ML13331B250  + (05:49:32, 11 January 2025)
• ML13331B249  + (05:49:33, 11 January 2025)
• 05000206/LER-1989-028, :on 891206,repairs to Backup Nitrogen Sys Could Not Be Effected within Time Constraints of Tech Spec 3.6.2, Requiring Shutdown to Be Performed.Caused by Damaged Valve Seats.Procedures Revised  + (05:49:38, 11 January 2025)
• 05000206/LER-1989-027, :on 891130,particulate Sample for Wk of 891017-24 Could Not Be Found in Designated Storage Location. Caused by Inadequate Administrative Controls.Event Reviewed W/Chemistry Technician Involved  + (05:49:40, 11 January 2025)
• ML13331B245  + (05:49:41, 11 January 2025)
• 05000206/LER-1987-016, :on 871110,engineering Evaluation Concluded That Presence of Film Was Cause for Solenoid Valve Failures Which Rendered Independent Trains in Multiple Sys Inoperable.Lubricant Removed from Valves  + (05:49:43, 11 January 2025)
• ML13331B243  + (05:49:45, 11 January 2025)
• 05000206/LER-1988-004, :on 890215,during Testing of Safety Injection Isolation Valves,Bonnet bleed-off Solenoid Valve SV-3900 Failed to Open,Causing Invalidation of Actuator Force. Caused by Crack in Sleeve.Valve Replaced  + (05:49:46, 11 January 2025)
• ML13331B241  + (05:49:47, 11 January 2025)
• PNO-V-89-071, on 891206,discovered That Pressure Regulators for Backup Nitrogen Sys on Valve HV-851A Inoperable.Plant Shut Down & Repairs Initiated  + (05:49:49, 11 January 2025)
• 05000206/LER-1989-011, :on 890321,determined That Main Feedwater Pump Min Flow Valves Would Be Delayed in Closing Due to Wiring Discrepancy.On 890323,safety Injection Delivery Found to Be Be Less than Assumed Due to Inadequate Design  + (05:49:51, 11 January 2025)
• 05000206/LER-1989-015, :on 890409,discovered That Safety Injection Sys Loop Isolation Valves MOV-850A & B Closed But Not Energized. Caused by Inadequate Control by Control Room Supervisor. Disciplinary Action Taken & Event Reviewed  + (05:49:57, 11 January 2025)
• ML13331B235  + (05:49:58, 11 January 2025)
• 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced  + (05:50:00, 11 January 2025)
• ML13331B233  + (05:50:01, 11 January 2025)
• 05000206/LER-1988-020, :on 881208,determined That Design Requirements of post-TMI Action Plan Item II.E.1.2,Part 2 Not Fully Implemented in Design of Steam Generator wide-range Level Indication Sys.Caused by Weaknesses in Program  + (05:50:03, 11 January 2025)
• ML13331B230  + (05:50:04, 11 January 2025)
• 05000206/LER-1989-025, :on 891012,determined That Primary Hot Leg Recirculation Function Susceptible to Loss of Instrument Air.Caused by Weaknesses in Licensing Support to Plant. Affected Valves to Be Upgraded  + (05:50:06, 11 January 2025)
• 05000206/LER-1989-022, :on 890914,determined That Tech Spec 3.20 Re Overpressure Mitigation Sys & Administrative Controls for Operation W/Sys Out of Svc Nonconservative.Caused by Weakness in Technical Support.Review Underway  + (05:50:08, 11 January 2025)
• ML13331B227  + (05:50:09, 11 January 2025)
• TAC:74585  + (05:50:13, 11 January 2025)
• ML13331B225  + (05:50:14, 11 January 2025)
• ML13331B224  + (05:50:15, 11 January 2025)