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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

• 05000341/LER-1997-006, :on 970320,response Time Testing Was Not in Conformance W/Ts.Caused by Inadequate Review of Ts.Affected ECCS Actuation Instrumentation Channels Response Time Testing Was Completed on 970326 & 27  + (04:50:49, 27 June 2025)
• TAC:M83600  + (04:51:05, 27 June 2025)
• 05000293/LER-1998-015, :on 980622,identified Potential Low Voltage Condition,Coincident w/loss-of-coolant Accident.Caused by Deficiency in Original Design of Degraded Voltage Protection Sys.Design Basis Reviewed  + (04:52:17, 27 June 2025)
• 05000245/LER-1987-042, :on 871027,during Review of Response to IE Bulletin 86-060,determined That No Surveillance Existed That Tested post-accident Sampling Sys.Caused by Misinterpretation of Notice  + (04:52:24, 27 June 2025)
• 05000412/LER-1987-033, :on 871028,discovered That Wide Range Gas Monitor Channel C&D Not Performed within Required Monthly Frequency.Caused by Personnel Error.Operating Surveillance Test Schedule Data Base Revised  + (04:52:53, 27 June 2025)
• 05000440/LER-1987-073, :on 871029,three MSIVs Failed to Fast Close in Time Required by Tech Specs 3.4.7 & 3.6.4.On 871103,two MSIVs Failed to Close.Caused by Sticking of Fast Closure Dual Solenoid Air Pilot Valves.Elastomer Discs Replaced  + (04:52:58, 27 June 2025)
• 05000458/LER-1998-003-02, :on 980624,adequacy of Division 1 & 2 DG Control Air Sys Was Noted.Root Cause Analysis Is Being performed.Multi-disciplinary Team Was Formed to Address Immediate & long-term Corrective Actions  + (04:53:47, 27 June 2025)
• 05000413/LER-1998-010, :on 980624,pinhole Leak in AFW Nozzle Tempering Line Caused Noncompliance W/Ts Structural Integrity Requirements.Caused by Previous Accelerated Flow Rates & Improper Socket Weld Fit Up.Isolated Piping Containing Hole  + (04:55:30, 27 June 2025)
• 05000382/LER-1996-015, :on 961101,noted That Containment Penetration 20 Was Not Totally Isolated During Maint on Valve CC-808A. Caused by Personnel Error.Issued Ltr W3B1-96-0083 Re TS 3.6.3 to All Licensed Personnel & Revised CCW Drawings  + (04:56:01, 27 June 2025)
• 05000298/LER-1997-010, :on 970713,standby Gas Treatment Inoperability Was Noted.Caused by Design Deficiency.Surveillance Procedure 6.SUMP.101 Will Be Performed on Periodic Basis  + (04:56:56, 27 June 2025)
• 05000456/LER-1987-031, :on 870613 & 1016,discovered That Main Control Room Annunication of Control Room Ventilation Sys Train Oa Shifted to Emergency Makeup Mode of Operation.Caused by Inadvertent Radio Operation  + (04:57:11, 27 June 2025)
• 05000302/LER-1998-007, :on 980623,noted That Some ASME Code Class 3 Components Did Not Receive Sys Pressure Test Prior to Being Returned to Svc.Caused by Personnel Error.Components Were Subsequently Satisfactorily Pressure Tested  + (04:57:18, 27 June 2025)
• 05000282/LER-1998-001, :on 980626,leakage Through Redundant CR Steam Exclusion Dampers Was Found to Exceed Value Assumed in HELB Analysis.Caused by Actuator Being Out of Adjustment.Will Implement Design Change & Repair or Replace Dampers  + (04:59:42, 27 June 2025)
• 05000312/LER-1987-036-01, Errata to LER 87-036-01:on 870608,discovered That Pipe Supplying Water for Bearing Cooling for Reactor Bldg Spray Pump Blocked.Preventive Maint Procedure for Pump Bearing Cooling Water Supply & Return Lines Instituted  + (04:59:53, 27 June 2025)
• 05000344/LER-1987-032, :on 870417,RCS Wide Range Pressure Transmitters PT-403 & PT-405 Found Out of Calibr.Caused by Transmitter Drift.Transmitters Recalibrated & Preinstallation Acceptance Test Being Evaluated for Adequacy  + (05:00:36, 27 June 2025)
• 05000412/LER-1987-032, :on 871024,during Performance of 100% Load Rejection Test,Resultant Steam Flow Transient Caused All Steam Generator Levels to Drop Rapidly & Reactor Tripped. Caused by Elevated Pressure in Turbine  + (05:01:22, 27 June 2025)
• 05000440/LER-1987-070, :on 871024,loss of Reactor Protection Sys Bus Occurred Due to Overvoltage Trip of Electrical Protection Assembly.Cause Undetermined.Potential Cause Isolated to Voltage Regulator.Regulator Replaced  + (05:01:27, 27 June 2025)
• 05000327/LER-1987-070, :on 871021,discovered Voltage Regulator Problem on Emergency Diesel Generator 2A-A.Caused by Installation of Defective Component.Defective Voltage Regulator Repaired. Part 21 Related  + (05:01:39, 27 June 2025)
• 05000155/LER-1987-003, :on 870127 & 0601,three Primary Safety Relief Valves Indicated Consistently High Initial as-found Setpoints.Caused by Bonding Effect of Lapping Compound. Valves Rebuilt & Retested on 871112  + (05:01:47, 27 June 2025)
• 05000259/LER-1998-003, Forwards LER 98-003-00 Re Condition Which Resulted in Required Volume of Nitrogen Stored Onsite for CAD Not Being Sufficient to Meet Design Basis as Stated in TS Bases  + (05:01:59, 27 June 2025)
• 05000361/LER-1998-011, :on 980617,determined That Setpoints for High Log Power Bypass Automatic Removal Had Not Been Verified IAW Ts.Caused by Log Power Not Satisfying TS as Written.Utils Investigation If Ongoing & LER Will Be Revised by 980930  + (05:04:34, 27 June 2025)
• TAC:62811  + (05:07:12, 27 June 2025)
• 05000352/LER-1997-013, :on 971205,various PCIVs & Other Valves Were Out of TS Surveillance & 3 Were Otherwise Noted Inoperable. Caused by Construction Drawing Error & Personnel Error. Revised Identified Document Deficiencies  + (05:08:07, 27 June 2025)
• 05000312/LER-1987-036, :on 870608,pipe Supplying Water for Bearing Cooling for Reactor Bldg Spray Pump B Completely Blocked. Caused by Accumulation of Rust & Dirt Via Nuclear Svc Raw Water Sys.Water Lines Cleaned  + (05:10:30, 27 June 2025)
• 05000458/LER-1986-024, :on 860325,ESF Actuations Occurred Due to Breaker Failure.On 861224,power to Reactor Protection Sys Bus B Lost Due to Spurious Breaker Trip Resulting in half- Scram.Caused by Malfunctioning Logic Card  + (05:11:00, 27 June 2025)

• 05000312/LER-1986-016, :on 861003,decay Heat Sys (DHS) Tripped Causing HV-20002 to Close.Caused by Arc That Occurred When Personnel Troubleshooting Abnormal Indication on Panel H2SFB for Dhs. Lens Clips Will Be Repainted or Replaced  + (05:12:37, 27 June 2025)

• 05000482/LER-1997-010, :on 970904,deficient Surveillance Tests Were Identified During GL 96-01 Reviews.Caused by Inadequate or Incomplete Procedures.Revised Procedures & Relay Contacts Were Successfully Tested  + (05:12:38, 27 June 2025)
• 05000327/LER-1987-064, :on 871013,five Piping Spool Pieces Used During Stage II Flood Preparation Plan Do Not Fit Properly.Caused by Piping Orientation Changes.Insp Made.Spool Pieces Will Be Modified by 880101  + (05:12:47, 27 June 2025)
• TAC:51287  + (05:13:02, 27 June 2025)
• ENS 57768  + (11:20:03, 27 June 2025)
• HFC  + (12:43:09, 27 June 2025)
• ENS 57771  + (11:20:03, 30 June 2025)
• ENS 57789  + (11:20:05, 30 June 2025)
• ENS 57785  + (11:20:05, 30 June 2025)
• ENS 57775  + (11:20:02, 1 July 2025)
• ENS 57776  + (11:20:04, 1 July 2025)
• ENS 57777  + (11:20:05, 1 July 2025)
• ENS 57780  + (11:20:03, 2 July 2025)
• ENS 57781  + (11:20:04, 2 July 2025)
• IP 71002, License Renewal Inspection  + (12:31:50, 2 July 2025)
• IP 71152, Problem Identification and Resolution (PI&R)  + (12:32:29, 2 July 2025)
• ENS 57782  + (11:20:03, 3 July 2025)
• ENS 57783  + (11:20:04, 3 July 2025)
• ENS 57784  + (11:20:04, 3 July 2025)
• Undervoltage  + (11:34:10, 3 July 2025)
• ENS 57786  + (11:20:02, 7 July 2025)
• ENS 57793  + (11:20:04, 7 July 2025)
• ENS 57794  + (11:20:05, 7 July 2025)
• EESW  + (12:26:06, 8 July 2025)
• ML25188A225  + (02:25:40, 9 July 2025)
• ML25188A218  + (02:26:05, 9 July 2025)