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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
- TAC:52737 + (07:31:36, 26 May 2025)
- IR 05000440/1983031 + (07:31:40, 26 May 2025)
- 05000397/LER-1989-001, :on 890112,discovered Four New Unanalyzed Failure Modes in Containment Nitrogen Inerting Sys.Caused by Inadequate Design Procedures.Design Change Initiated to Install low-temp Cutoff Device + (07:31:46, 26 May 2025)
- 05000361/LER-1995-010, :on 950530,pressurizer Safety Valve Setpoints Found to Be Out of Tolerance Due to Setpoint Drift.Util Assessing Expansion of Current TS Tolerances to Reduce Future TS Violations Caused by Setpoint Drift + (07:32:30, 26 May 2025)
- 05000325/LER-1995-001, :on 950106,two Inoperable CR Accumulators Resulted in Entry Into Ts.Replaced C11-111 Valves for Two HCUs + (07:33:13, 26 May 2025)
- 05000482/LER-1987-061, :on on 870312,motor to Emergency Diesel Generator Ventilation Supply Fan Removed,Rendering Fan Inoperable.On 880717 & 900428,air Damper Clamped in Nonsafeguards Position.Caused by Personnel Error + (07:33:29, 26 May 2025)
- 05000267/LER-1976-010, Helium Circulators 1A & 1B Tripped.Caused by Bearing Water Pump Trip Due to Decrease in Bearing Water Surge Tank Loop 1 Water Level + (07:33:34, 26 May 2025)
- 05000267/LER-1976-011, A:On 760520,helium Circulator 1C Tripped Due to Negative buffer-midbuffer Differential Pressure.Caused by Flow Blockage of Buffer Gas Reburn Sys.Plugged Filter Cleaned + (07:33:37, 26 May 2025)
- 05000267/LER-1976-013-01, Circulators Tripped Due to Trouble Shooting.Caused by Pulled Module Interlock Circulator Isolation Relays.Modules Inserted + (07:33:46, 26 May 2025)
- 05000327/LER-1995-005, :on 950523,containment Isolation Valves Returned to Svc W/O Performance of Stroke Time Test Due to Asos & Unit Operator Did Not Adequately Utilize Ts.Entered LCO 3.6.3 & SR 4.0.3 + (07:34:07, 26 May 2025)
- 05000325/LER-1995-012, :on 950524,reactor Water Cleanup Sys Isolation Due to Filter Leakage.Replaced RWCU Sys 1B F/D Head Gasket & Returned Sys to Operation + (07:35:01, 26 May 2025)
- 2CAN119102, Application for Amend to License DPR-51,applying Guidance of Generic Ltr 88-16 to Remove Cycle Specific Variables from TS & Control Them Under Core Operating Limits Rept + (07:35:03, 26 May 2025)
- TXX-9136, Discusses Applicability of Unit 1 Testing & Validation Under Guidance of Position 4 of Branch Technical Position PSB-1 for Unit 2 Re Derived Voltage Values Vs Measured Test Results,Per Sser 22 (NUREG-0797) & Sser 7 (NUREG-0781) + (07:35:22, 26 May 2025)
- ML20085M791 + (07:35:45, 26 May 2025)
- ML20085M768 + (07:35:51, 26 May 2025)
- ML20085M489 + (07:36:54, 26 May 2025)
- ML20085M484 + (07:36:57, 26 May 2025)
- ML20085M474 + (07:37:02, 26 May 2025)
- ML20085M470 + (07:37:04, 26 May 2025)
- ML20085M462 + (07:37:12, 26 May 2025)
- 05000361/LER-1995-003, :on 950225,discovered Cracking in Rotor Discs. Caused by Stress Corrosion Cracking.Cracks Removed by Excavation + (07:37:18, 26 May 2025)
- ML20085M449 + (07:37:21, 26 May 2025)
- 05000325/LER-1991-025, :on 911003,HPCI Diaphragm Control Valve for Low Oil Pressure Trip Inoperable.Caused by Oil Leak During Valve Stroking Due to end-of-life Failure of Diaphragm.Diaphragm Replaced & Work Request Initiated + (07:37:23, 26 May 2025)
- 05000413/LER-1991-021, :on 911002,turbine Trip Resulting in Reactor Trip Occurred When Vendor Sprayed Water Into Electrical Box. Caused by Failure to Properly Seal Conduit Connectors. Connectors Sealed + (07:37:25, 26 May 2025)
- 05000395/LER-1991-008, :on 911019 Preliminary Results of Sixth Inservice Eddy Current Exam on 911004 Indicated 1% of Tubes Inspected Defective.Caused by Stress Corrosion Cracking in Hot Leg Tubesheet.Tubes Plugged or Repaired + (07:37:28, 26 May 2025)
- 05000455/LER-1990-006, :on 910930,reactor Containment Fan Cooler 2C Low Speed Breaker Did Not Close.Caused by Miscommunication & Procedural Deficiency.Procedure Revised to Include Emergency Exit Section + (07:37:30, 26 May 2025)
- 05000267/LER-1976-002, LER 76/002:on 760201,during Cable Dressing,Battery Charger Input Breaker Tripped.Power Cable Insulation Cut by Conduit Shorting Cable to Ground.Temporary Junction Box & Terminal Installed + (07:37:31, 26 May 2025)
- 05000440/LER-1991-019, :on 911006,Tech Spec Surveillance Requirement for Rod Pattern Controller Performed Late.Caused by Personnel Error.Senior Reactor Operator Counseled & Procedures Revised Re Rod Pattern Testing Requirements + (07:37:35, 26 May 2025)
- 05000324/LER-1991-016-02, :on 911005,severe Weather Induced Voltage Drop on off-site Distrubution Line,Resulting in Primary Containment Isolations.Caused by Electrical Storm.No Corrective Actions Required + (07:37:38, 26 May 2025)
- 05000285/LER-1991-021, :on 911004,inadvertent Partial Actuation of Containment Isolation Actuation Sys Occurred.Caused by Improper Switch Contact Stackup.Caution Tag Placed on Switch Until Corrective Actions Completed + (07:37:39, 26 May 2025)
- ML20085M396 + (07:37:43, 26 May 2025)
- L-95-005, Technical Evaluation Rept on Third 10-yr Interval Inservice Insp Program Plan + (07:37:45, 26 May 2025)
- 05000440/LER-1991-017, :on 911002,high Pressure Core Spray Pump Declared Inoperable Due to Motor Bearing Oil Reservoir Drain Plug Failure.Caused by Design Deficiency.Drain Plugs Will Be Replaced W/Ball Valve Arrangement + (07:37:49, 26 May 2025)
- 05000374/LER-1991-013-04, :on 911007,breaker for Supply Fan Tripped & Smoke Observed Coming Out of Switchgear 236X Compartment 302B.Caused by Overheating of Relay,Resulting in Mechanical Binding.Relay Replaced + (07:37:51, 26 May 2025)
- ML20085M380 + (07:37:53, 26 May 2025)
- 05000324/LER-1991-015-02, :on 911002,unplanned ESF Actuation Occurred While Removing Reactor Low Level Instrumentation from Svc. Caused by Lack of Caution in Surveillance Procedure. Procedure Will Be Revised Re Analog Trip Unit + (07:37:55, 26 May 2025)
- 05000348/LER-1991-010, :on 911003,operators Manually Tripped Reactor Due to Unexpected Automatic Closure of Main Turbine Governor Valves.Caused by Degraded Dc Voltage Output.Degraded Power Supply Replaced + (07:37:56, 26 May 2025)
- 05000266/LER-1991-013, :on 911003,nuclear Instrumentation Turbine Runback Occurred.Caused by Positive Voltage Spike on Output of Detectors a & B of Channel N44.Detectors Replaced.W/ + (07:38:07, 26 May 2025)
- ML20085M339 + (07:38:16, 26 May 2025)
- ML20085M327 + (07:38:19, 26 May 2025)
- 05000267/LER-1976-003-01, :on 761220,during Weekly Surveillance Test, Clicking Sound at Engine & Intermittent Emergency Fire Water Pump 1B Run Alarm Detected.Caused by Failure of Drive Cable Due to Normal Wear.Cable Replaced + (07:38:25, 26 May 2025)
- ML20085M250 + (07:38:29, 26 May 2025)
- ML20085M235 + (07:38:31, 26 May 2025)
- 05000298/LER-1995-013, :on 950523,determined That Plant Procedural Requirements Inconsistent W/Assumptions & Commitments Made to NRC on 910930.Caused by Programmatic Deficiency.Rev to Procedure 5.2.5.1 Made + (07:38:33, 26 May 2025)
- 05000267/LER-1976-004-01, During Investigation of Recurring Alarm,Primary Coolant Pressure Boundary Leak Into Helium Purification Cooler Well 1B Found.Caused by Leaking Piping Flange Internal + (07:38:35, 26 May 2025)
- ML20085M230 + (07:38:37, 26 May 2025)
- 05000219/LER-1995-003, :on 950531,discovered That Six Month Drywell Airlock Leak Rate Test Conducted After Due Date.Caused by Inappropriate Application of 25% Surveillance Interval Extension.Surveillance Task Revised + (07:38:41, 26 May 2025)
- ML20085M158 + (07:38:48, 26 May 2025)
- 05000263/LER-1993-008, :on 930731,RPS Trip Occurred.Caused by Reduction in Reactor FW Flow Due to Ground Fault Relay Trip of Main Condensate Pump.Motor Replaced During 1994 Refueling Outage + (07:38:50, 26 May 2025)
- ML20085M138 + (07:38:53, 26 May 2025)
- 05000267/LER-1975-005, C:On 761011,while Establishing Backup Bldg Water Sys,Circulator C-2102 Tripped.Caused by Procedure Deficiency.Sys Operating Procedure Changed.Operator Cautioned + (07:38:56, 26 May 2025)