Search by property

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

• 05000271/LER-1977-002-03, /03L:on 770118,during LPCI Surveillance Testing, Autoblowdown Ac Interlock Alarm Not Received.Caused by Loose Lead on Breaker Cell Switch.Lead Tightened & Breaker Cell Switch Leads Checked for Continuity  + (07:29:27, 26 May 2025)
• 05000271/LER-1977-003-01, /01T:on 770127,reactor Bldg Pressurized to Extent That One Pressure Relief Panel Separated from Superstructure.Caused by Inoperable Position Indication Actuator Switch on Stream Seal Valve.Switch Sealed  + (07:29:28, 26 May 2025)
• 05000271/LER-1977-004-03, /03L:standby Gas Treatment Outlet Valve SB-3A Would Not Open.Caused by Asco Solenoid Pilot Valve Sticking in Closed Position.Solenoid Disassembled & Pilot Valve Replaced  + (07:29:30, 26 May 2025)
• 05000271/LER-1977-005-03, /03L:during Drywell High Pressure Scram,Isolation Pressure Switch PS5-12C Actuated at 2.03 Psig,Exceeding Tech Spec Limit of 2 Psig.Caused by static-O-ring Pressure Switch 12N-AA4 Failure.Switch Reset  + (07:29:31, 26 May 2025)
• ML20086B909  + (07:29:32, 26 May 2025)
• ML20086B906  + (07:29:34, 26 May 2025)
• ML20086B885  + (07:29:37, 26 May 2025)
• 05000341/LER-1995-006, :on 950602,main Turbine Trip Occurred Due to False Overspeed During Mechanical Overspeed Test.Revised Procedure 27.112.01 to Incorporate Holding Overspeed Reset Pushbutton Depressed at Least 15 Seconds  + (07:29:50, 26 May 2025)
• ML20086B741  + (07:30:01, 26 May 2025)
• LIC-95-0122, V 2 That Provides Addl Info Re Potential Effects of Elevated post-accident CCW Temp & Updates Status of Corrective Actions  + (07:30:05, 26 May 2025)
• ML20086B514  + (07:30:29, 26 May 2025)
• ML20086B437  + (07:30:38, 26 May 2025)
• NUREG-1301, Amends 188 & 70 to Licenses DPR-66 & NPF-73,respectively, Revising App a TSs by Relocating Requirements of RETS & Solid Radwaste TSs from App a TSs to ODCM or to PCP in Accordance W/Gl 89-01 & NRC Rept NUREG-1301  + (07:30:52, 26 May 2025)
• ML20086B160  + (07:31:08, 26 May 2025)
• 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)