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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
- 05000321/LER-1980-069, Forwards Updated LER 80-069/01X-1 + (16:31:18, 26 May 2025)
- 05000302/LER-1981-031, Updated LER 81-031/01T-1:on 810624,Henry Pratt Co Notified That Containment Purge Valves AHV-1A,1B,1C & 1D Could Fail During Loca.Cause Unknown.Valves Modified on 810701.Mods Resolved 10CFR100 Dose Rate Excess Identified on 821 + (16:31:49, 26 May 2025)
- 05000219/LER-1989-025, Responds to 901002 Safety Evaluation Re 891216 Event Involving Two Control Rods Moving at Same Time Reported Via LER 89-025.Mod to Reduce Probability of Simultaneous Control Rod Withdrawal Will Be Installed in 13R Refueling Out + (16:32:51, 26 May 2025)
- ML20066E125 + (16:33:35, 26 May 2025)
- 05000440/LER-1990-025-01, Responds to NRC Ltr Re Violations Noted in Insp Rept 50-440/90-20 on 900920-1116.Corective Actions:Valve Repair & Rebuilding,Per LER 90-025-01,dtd 901123 & Restoration of Six MSIV That Required Disassembly to Original Condit + (16:34:10, 26 May 2025)
- 05000322/LER-1990-009, :on 901211,automatic Initiation of ESF Sys Occurred When RPS Bus a Deenergized Due to Electrical Protection Assembly Breaker Trip.Caused by Low Output Voltage on RPS MG Set A.Procedure & Worksheet Revised + (16:34:34, 26 May 2025)
- 05000254/LER-1982-034-03, /03L-0:on 821013,during Reactor Bldg Fuel Pool Monitoring Functional Test,Fuel Pool Monitor 1-1705-16A Tripped at Level Greater than Tech Specs.Caused by Instrument Set Point Draft.Unit Recalibr + (16:35:08, 26 May 2025)
- 05000254/LER-1982-034, Forwards LER 82-034/03L-0 + (16:35:13, 26 May 2025)
- ML20066C992 + (16:35:53, 26 May 2025)
- ML20066C873 + (16:36:01, 26 May 2025)
- 05000272/LER-1982-081-01, /01P:on 821029-31,during Functional Testing of Hydraulic Snubbers,Two Snubbers on Steam Generators 11 & 14 Failed Bleed Test.Caused by Piston Packings Losing Pretension.Acceleration Test Passed + (16:37:55, 26 May 2025)
- ML20066B360 + (16:38:52, 26 May 2025)
- TAC:67757 + (16:38:53, 26 May 2025)
- ML20066B328 + (16:38:55, 26 May 2025)
- 05000277/LER-1982-035-01, /01P:on 821021,diesel Generator Bldg Cardox Tank Pressure Found at 20 Psig Below Tech Spec Limit of 280 Psig. Caused by Tank Not Being Pressurized Correctly During Recent Filling Operation.Tank Pressurized within 16-h + (16:39:28, 26 May 2025)
- 05000272/LER-1982-004, Supplemental LER 82-004/03X-1:on 820108,charging Pump 13 Declared Inoperable Due to Component Cooling Water Sys Being Tagged Out for Planned Maint.On 820109,positive Reactivity Change Found in RCS Boron Concentration + (16:39:35, 26 May 2025)
- 05000311/LER-1982-002, Supplemental LER 82-002/03X-1:on 820111,battery Charger 2A1 Tripped.Charger Tripped Again Upon Resetting Breaker.Caused by Difference Between Battery & Battery Charger Voltages. Operating Instructions Revised to Adjust Float Vo + (16:39:47, 26 May 2025)
- 05000266/LER-1982-009, Telecopy Message of LER 82-009/01T-0:on 821030,tubes in Steam Generators a & B Found W/More than 40% Degradation.On 821025,insp Revealed 5 Wet or Dripping Explosive Plugs.No Cause Stated.Tubes Plugged + (16:39:52, 26 May 2025)
- 05000272/LER-1982-009, Supplemental LER 82-009/03X-1:on 820118 & 25,Cardox Fire Suppression Sys for 1A,1B & 1C Diesel Generator Areas & Fuel Oil Storage Area 12 Inoperable for More than 14 Days.Caused by Sys in Manual Mode Due to Maint Outage + (16:40:14, 26 May 2025)
- 05000318/LER-1982-004, Forwards Updated LER 82-004/01X-1 + (16:40:24, 26 May 2025)
- 05000346/LER-1982-052-03, /03L-0:on 820928,reactor Quadrant Power Tilt in Wx Quadrant Exceeded Tech Spec by 0.2 %.Caused by Natural Flow Characteristics of RCS & Cross Core Shuffle of Fuel Combined w/820927 Plant Transient.Control Rod Group Borated + (16:40:53, 26 May 2025)
- 05000346/LER-1982-052, Forwards LER 82-052/03L-0 + (16:40:56, 26 May 2025)
- ML20066A420 + (16:41:00, 26 May 2025)
- 05000387/LER-1982-026, Forwards LER 82-026/01T-0 + (16:41:15, 26 May 2025)
- 05000311/LER-1982-117-03, /03L-0:on 820929,svc Water Flow to Containment Fan Coil Unit 23 Found Below Tech Spec Requirements.Caused by American Oysters Plugging Valve 22SW57.Oysters Removed & Valve Reassembled.Improved Chlorination Being Developed + (16:41:28, 26 May 2025)
- 05000311/LER-1982-117, Forwards LER 82-117/03L-0.Detailed Event Analysis Encl + (16:41:30, 26 May 2025)
- ML20065U383 + (16:42:06, 26 May 2025)
- 05000425/LER-1989-030, :on 891126,containment Ventilation Isolation Occurred W/Monitor Switch in Bypass Position.Caused by Personnel Error.Technician Counseled & Procedures Revised.W/ + (16:42:11, 26 May 2025)
- 05000277/LER-1990-008, :on 900414,testing of LPCI Pumps & Core Spray Subsystems Not Performed,Per Tech Spec 4.5.A.4.Caused by Personnel Error in Not Recognizing Inoperable Status of RHR Pump 2D When Changing to Refuel Mode + (16:43:19, 26 May 2025)
- 05000373/LER-1982-089-03, RCIC Turbine Tripped on Overspeed During Vessel Injection Cold Quick Start Test. Caused by Wear & Binding of Governor Valve.Valve Linkages Reassembled to Vendor Specs + (16:43:44, 26 May 2025)
- 05000259/LER-1990-017-01, :on 901122,relay Line Breaker Began Cycling from Closed to Open Causing Voltage Disturbance.Caused by Procedural Deficiency.Operations Personnel Attempted to Stabilize Relay Line by Following Recommendations + (16:43:48, 26 May 2025)
- 05000373/LER-1982-089, Forwards Updated LER 82-089/03X-1 + (16:43:56, 26 May 2025)
- 05000458/LER-1990-045, :on 901121,unplanned ESF Actuation Occurred During Surveillance Testing of Drywell Bypass Leakage Rate. Caused by Inadequate Procedural Steps in Surveillance Test Procedure.Hpcs Suction Path Automatic Transfer Performed + (16:44:01, 26 May 2025)
- 05000267/LER-1982-037-03, /03L-0:on 820921,27 & 29,hydraulic Oil Snubber HOS-14,main Steam Snubbers MSS-29 & MSS-258 & Cold Reheat Snubber CRS-262 Found Inoperable.Caused by Extended Length of Piston Stroke.Snubbers Tested & Reinstalled + (16:44:17, 26 May 2025)
- 05000318/LER-1981-019-03, /03L-0:on 810402 & 21 Emergency Diesel Generator 12 Output Breaker Failed to Close.Caused by Damaged Spring Charging Motor & Excessive Relay & Actuator to Switch Clearance.Clearances Checked Annually + (16:44:21, 26 May 2025)
- 05000369/LER-1981-025-01, /01T-0:on 810319,no Seismic Bracing or Calculations Found for 12 Reactor Bldg safety-related Electrical Cable Tray Hanger Stds.Cause Not Stated.Seismic Calculations Performed on Affected Hangers + (16:44:24, 26 May 2025)
- ML20065T314 + (16:44:26, 26 May 2025)
- ML20065T302 + (16:44:29, 26 May 2025)
- 05000361/LER-1982-120-03, /03L-0:on 820921,turbine electro-hydraulic Control Valves 2UV-2200 C & G Failed to Close Following Turbine Trip During Turbine Generator Excitation Testing.Caused by Mechanical Binding Between Valve Spindle & Bushing + (16:44:33, 26 May 2025)
- 05000458/LER-1990-044, :on 901119,div II Valves & Dampers Isolated When Breaker Opened Instead of Power Supply Breaker Causing Deenergization of Power Line Conditioner.Caused by Personnel Failure to Follow Procedure + (16:44:39, 26 May 2025)
- 05000458/LER-1990-043, :on 901119,unanticipated Safety Feature Actuation of Rha Sys a Sys & Control Bldg Emergency Filter Train Occurred.Caused by Error in Preparation of Retest Procedure.Personnel Will Receive Training + (16:44:41, 26 May 2025)
- 05000368/LER-1982-032-03, /03L-0:on 820930,pressurizer Relief Valve 2PSV- 4634 Found to Be Set Above Tech Spec Limit.Caused by Lack of Movement Over Long Period of Plant Operation.Valve Tested & Spring Compression Adjusted + (16:44:44, 26 May 2025)
- 05000364/LER-1990-005-01, :on 901216,total of 574 Tubes Previously in Svc Found to Be Defective Which Requires Insp Results to Be Classified as Category C-3 + (16:44:46, 26 May 2025)
- 05000361/LER-1982-123-03, /03L-0:on 820922,while in Mode 2,condensate Storage Tank T-120 Water Level Fell Below Tech Spec Limit, Rendering Tank Inoperable.Caused by Inadequate Makeup Water Control.Better pre-planning on Water Usage Discussed + (16:44:48, 26 May 2025)
- 05000325/LER-1990-024-01, :on 901124,one Reactor Bldg Ventilation Exhaust Damper Closed & Reactor Bldg Ventilation Supply & Exhaust Fans Tripped.Cause Under Investigation.Suppl to Rept Will Be Issued by 910331 + (16:44:52, 26 May 2025)
- 05000324/LER-1990-018-02, :on 901123,HPCI Steam Leak Detection Channel B Logic Blew & HPCI Sys Manually Isolated.Probably Caused by Blown Fuse & Loose Wire.Relay & Fuse Replaced + (16:44:55, 26 May 2025)
- ML20065T157 + (16:44:58, 26 May 2025)
- 05000333/LER-1990-035, :on 901115,three 3-inch Swing Check Valves Failed to Close During Testing Due to Corrosion & Silt Accumulation in Hinge Pin Mechanism.Valve Internals Replaced W/Stainless Steel Components + (16:45:09, 26 May 2025)
- 05000317/LER-1982-061-03, /03X-0:on 820926,pressurizer Level Deviated from Program Level During Normal Startup.Rcs Temp Swings of 10 Degrees Not Uncommon During Startup.Justification for Tech Spec Relaxation Reanalyzed + (16:45:11, 26 May 2025)
- 05000254/LER-1990-031, :on 901120,while Performing HPCI Turbine Area Temp Isolation Calibr,Setpoints of All Four Temp Switches Higher than Tech Spec Limits.Cause Not Determined.Switches Will Be Replaced & Calibr + (16:45:21, 26 May 2025)
- 05000281/LER-1990-005-03, :on 901120,rod Control Cluster Assembly M-12 Declared Inoperable Due to Mismatch Between Group & Rod Position Indication.Caused by Control Rod Positioned Two Steps from Bottom of Core + (16:45:23, 26 May 2025)