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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

• ML20069P151  + (15:36:42, 26 May 2025)
• 05000237/LER-1982-042-01, During Normal Operation, Following Torus Hi/Lo Level Alarm,Sightglass Isolation & Vent Valves Reported Open W/No Indication of Excess Makeup. Caused by Operator Error.Valves Locked Closed  + (15:38:15, 26 May 2025)
• ML20069M413  + (15:38:50, 26 May 2025)
• ML20069M271  + (15:39:10, 26 May 2025)
• 05000334/LER-1979-023-03, Diesel Generator Output Breaker 1 Failed to Close When Control Switch Actuated & Alarm Indicated Air Start Motor 1 Failure to Start Generator.Caused by Sticking Pinion.Pinion Assembly Cleaned  + (15:39:23, 26 May 2025)
• 05000338/LER-1983-016-03, /03L-0:on 830323,w/unit at 100% Power,Stiffener Support Not Added to Bus Svc Water Auxiliary Relay Panel J Per Design Change 80-S45I.Caused by Personnel Error. Stiffener Support Added  + (15:39:51, 26 May 2025)
• 05000289/LER-1983-006-03, /03L-0:on 830320,no Flow Existed Through Hydrogen & Oxygen Rotameters of Waste Gas Sys Analyzer.Caused by Dirt Blockage in Regulator & Flow Setting.Pump Discharge Pressure Regulator Setting Raised  + (15:39:56, 26 May 2025)
• 05000289/LER-1983-010-03, /03L-0:on 830321,waste Gas Sys Hays Gas Analyzer Alarm Indicated Incorrect Concentration of Oxygen.Caused by Dirty Amplifier Low Channel Gain Potentiometer & Switch Contacts.Components Cleaned  + (15:39:58, 26 May 2025)
• 05000289/LER-1982-014-03, /03L-0:on 821005,plant Personnel Identified Defective Fire Barrier Penetration Seal.Silicone Foam Seal Matl Separated from Edges of Barrier After Curing.Fire Watch Posted & Fire Barrier Penetration Seal Repaired  + (15:40:07, 26 May 2025)
• 05000387/LER-1982-037-01, /01P-0:confirms 821101 Telcon Re Exceeding Number of Allowable Cycles Reactor Recirculation Pump Discharge Valves Permitted,Per SER Suppl 3.License Amend Will Be Requested to Allow 25 Cycles  + (15:40:09, 26 May 2025)
• 05000321/LER-1994-006-01, :on 940515,HPCI Sys Removed from Svc to Repair Flow Controller 1E41-R612.Caused by Component Failure.Failed Parts Replaced & Flow Controller Satisfactorily Tested in Modes  + (15:40:12, 26 May 2025)
• 05000331/LER-1994-008, :on 940517,determined That Testing Had Not Been Performed at Required Surveillance Frequency for Reactor High Pressure Scram Pressure Switch.Caused by Inadequate Tracking.Appropriate Half Scram Inserted  + (15:40:18, 26 May 2025)
• ML20069L885  + (15:40:20, 26 May 2025)
• 05000293/LER-1982-048-03, /03L-0:on 821006,during Qad Audit,Fire Door 153 Found Closed W/Latch Mechanism Depressed W/Tape.Caused by Personnel Error.Special Meeting Conducted on 821029 Re QA Requirements & QA Significant Deficiency Rept Issued  + (15:40:22, 26 May 2025)
• 05000416/LER-1994-005-02, :on 940517,discovered That There Was No Clear Guidance to Close Containment Isolation Valves for Drywell Fission Product Monitor & PASS When Required post-accident. Minor Change Package Generated  + (15:40:25, 26 May 2025)
• 05000387/LER-1982-036-01, /01P-0:on 821101,HPCI Isolation High Steam Line Delta Pressure Detection Instrument Settings Found Above Allowable Value Preventing Isolation Valves from Functioning.Cause Not Stated  + (15:40:32, 26 May 2025)
• ML20069L828  + (15:40:39, 26 May 2025)
• 05000348/LER-1994-001, :on 940521,1A Component Cooling Pump (B-train) Failed to Start.Caused by Supply Breaker Prop Latch Spring Detachment.Esf Related 4160 Volt Breaker on Both Units Verified as Being Properly Charged  + (15:40:42, 26 May 2025)
• TAC:42114  + (15:40:50, 26 May 2025)
• ML20069L752  + (15:40:52, 26 May 2025)
• 05000255/LER-1983-021-03, /03L-0:on 830326,sample from Safety Injection Tank D Showed Boron Concentration Below 1,720 Ppm Tech Spec Limit.Caused by Minor Leakage Past Loop Check Valve & Safety Injection Tank Check Valve or Fill & Drain Valve  + (15:40:53, 26 May 2025)
• ML20069L748  + (15:40:55, 26 May 2025)
• 05000316/LER-1983-038-03, /03L-0:on 830405,four Logic Test Positions Tested Unsatisfactorily During solid-state Protection Sys (Train a) Surveillance Test.Caused by Failed Universal Card A-304. Logic Card Replaced.Sys Operability Verified  + (15:40:56, 26 May 2025)
• ML20069L742  + (15:40:58, 26 May 2025)
• 05000316/LER-1983-037-03, /03L-0:on 830323,Fire Door 386 Found Unlatched During Normal Operation.Caused by Insufficient Closer Mechanism Force.Door Closer Mechanism Adjusted  + (15:41:01, 26 May 2025)

• 05000254/LER-1983-014-03, /03L-0:on 830322,low Electrolyte Level Found in Station Battery Cell 100.Caused by Crack in Bottom Corner of Casing.Normal Loads Transferred to Unit 2 250-volt Battery on 830324.Cell Replaced  + (15:41:02, 26 May 2025)

• 05000315/LER-1983-025-01, /01T-0:on 830405,cable Vault Halon Sys Failed to Meet Design Concentrations & Declared Inoperable.Cause Unknown.Review of Test Data & Sys Review Continuing  + (15:41:04, 26 May 2025)
• TAC:M83445  + (15:41:09, 26 May 2025)
• 05000260/LER-1983-010-03, /03L-0:on 830322,CRD 10-39 Failed to Scram While Performing SI 4.3.C.Caused by Valve Stem Separating from Valve Seat in Valve 85-617  + (15:41:16, 26 May 2025)
• ML20069L599  + (15:41:19, 26 May 2025)
• ML20069L594  + (15:41:21, 26 May 2025)
• 05000271/LER-1983-010-03, /03L-0:on 830324,while Performing Type C Leak Rate Testing,Feedwater Check Valve FDW-96A Had Seat Leakage Exceeding Tech Spec Limits.Caused by Mfg Defect on Resilient Seal.Seal Replaced,Valve Reassembled & Leak Tested  + (15:41:22, 26 May 2025)
• ML20069L590  + (15:41:24, 26 May 2025)
• ML20069L584  + (15:41:26, 26 May 2025)
• 05000416/LER-1983-056-03, /03L-0:on 830318,standby Fresh Air Fan Failed During Planned Maint Activity.Caused by Faulty Relay.Relay Replaced & Functionally Tested.Investigation of Relay Failure Continuing.Update Rept Will Be Submitted by 830615  + (15:41:39, 26 May 2025)
• 05000335/LER-1983-022-01, /01T-0:on 830405,during Refueling,Foreign Objects Found on Core Support Plate.Cause Unknown.All Large Loose Parts Removed from Bottom of Vessel.Event Under Investigation  + (15:41:41, 26 May 2025)
• 05000369/LER-1983-015-03, /03L-0:on 830319 & 31,reactor Trip Breaker a Failed to Open on Undervoltage (UV) Trip Signal & Bypass Breaker B Failed to Trip on UV Signal,Respectively.Caused by Mechanical Problems W/Uv Mechanisms.Logic Modified  + (15:41:45, 26 May 2025)
• ML20069L499  + (15:41:47, 26 May 2025)
• 05000313/LER-1983-008-03, /03L-0:on 830327,lead Hydrogen Exhaust Fan USF-30A Failed to Attain Sufficient Flow.Caused by Oxidation in Pressure Control Valve PCV-7447 Due to Water in Hydrogen Purge Sys.Valve Disassembled & Corroded Components Replaced  + (15:41:55, 26 May 2025)
• 05000260/LER-1983-013-03, /03L-0:on 830325,during Rod Pulls to Set Target Rod Pattern,Calculated R Factor Was Less than R Setpoint for 54 Minutes.Caused by Limitation of Power Rod Withdrawal by Condensate Demineralizer Problems.Rod Pattern Adjusted  + (15:41:56, 26 May 2025)
• 05000269/LER-1983-005-03, /03L-0:on 830316,engineering Evaluation Revealed That Double Isolation Criteria Not Met for Standby Shutdown Facility Makeup Water Pump tie-ins to Fuel Transfer Tubes. Caused by Design Deficiency.Procedures Will Be Revised  + (15:42:07, 26 May 2025)
• 05000328/LER-1983-049-03, /03L-0:on 830324,while in Mode 1,ice Condensor Intermediate Deck Door in Bay 11 Found Frozen Closed During Routine Insp.Caused by Leaks in Condensate Drain Lines of Air Handling Units 13 & 14.Update Rept Will Be Sent Later  + (15:42:15, 26 May 2025)
• 05000260/LER-1983-012-03, /03L-0:on 830323,during Startup Testing at 50.4% Power,Discovered Process Computer Contained Nonconservative Kf Factor.Caused by Increased Recirculation Stops at End of Previous Cycle for Increased Flow Operation  + (15:42:16, 26 May 2025)
• 05000261/LER-1983-003-01, /01T-0:on 830410,svc Water Leak Discovered on Containment Fan Cooler HVH-3.Caused by Corrosion/Erosion of Cooler Tubing.Leak Repaired  + (15:42:21, 26 May 2025)
• 05000395/LER-1983-029-03, /03L-0:on 830320,w/reactor Bldg Purge Initiated, Radiation Monitor RM-A4 Read Higher than Normal Pump RM-A4 & Detector Secured to Change Filter,Leaving Purge Unmonitored for 5 Minutes.No Activity Released During Event  + (15:42:27, 26 May 2025)
• ML20069L253  + (15:42:29, 26 May 2025)
• 05000348/LER-1983-011-03, /03L-0:on 830322,during Control Room Train A-B Ventilation Operability Test,Train Control Room Emergency Ventilation Sys B Declared Inoperable.Caused by Failed Damper Due to Breaker Overload.Overloads Reset  + (15:42:30, 26 May 2025)
• 05000313/LER-1983-006-03, /03L-0:on 830321,reactor Coolant Pressure Transmitter PT-1023 Found to Be Out of Tolerance During Reactor Protective Sys Channel B Calibr.Caused by Instrument Drift.All Reactor Coolant Pressure Instrumentation Calibr  + (15:42:43, 26 May 2025)
• 05000336/LER-1983-012-03, /03L-0:on 830322,oil Pressure Lost on Charging Pump C During steady-state Power Operation W/Pump a Tagged Out for Maint.Caused by Failure of Drive Coupling for Integral Oil Pump.Setscrew Staked to Prevent Loosening  + (15:42:50, 26 May 2025)
• 05000456/LER-1994-010-02, :on 940515,DG Declared Inoperable.Caused by Exhaust Header Pressure Transient,Resulting in Blown Rupture Disc & Lifted Silencer Relief.Rupture Disc Replaced & Maint Run Performed Successfully  + (15:42:52, 26 May 2025)
• ML20069L100  + (15:42:56, 26 May 2025)