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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
- 05000219/LER-1982-027-03, /03L-0:on 820512,during Routine Visual Insp,Oil Puddle Discovered Below Liquid Poison Pump B.Caused by Plugged Stuffing Box 1-inch Drain.Pump Tagged Out,Oil Changed & Drain Cleared + (03:55:19, 27 May 2025)
- 05000317/LER-1982-026-03, /03L-0:on 820517,during Mode 6 Operation,Loss of Shutdown Cooling Flow Experienced When Operating Low Pressure Safety Injection Pump 11 Breaker Opened.Cause Undetermined.Motor Supply Breaker Alignment Check Performed + (03:55:29, 27 May 2025)
- 05000334/LER-1982-019-03, /03L-0:on 820521,pin Hole Leak Discovered in Expansion Joint on River Water Discharge of Recirculation Spray Heat Exchanger 1B.Cause Under Investigation.Expansion Joint Replaced + (03:55:32, 27 May 2025)
- 05000334/LER-1982-017, Forwards LER 82-017/01T-0 + (03:55:45, 27 May 2025)
- 05000318/LER-1982-025-01, /01T-0:on 820602,emergency Diesel Generators 21 & 12 Tripped on Loss of Field & Declared Inoperable. Caused by Voltage Drift.Emergency Diesel Generator Voltage Regulator Assembly Replaced + (03:55:48, 27 May 2025)
- IR 05000254/1982007 + (03:57:16, 27 May 2025)
- TAC:45672 + (03:57:24, 27 May 2025)
- TAC:48436 + (03:57:36, 27 May 2025)
- ML20054H786 + (03:58:04, 27 May 2025)
- 05000338/LER-1982-038-03, /03L-0:on 820517 & 20,fire Door 571-17 Between 1J Emergency Diesel Generator Room & Turbine Bldg Declared Inoperable.Caused by Sticking Latch & Loose Adjustment Set Screw in Closure Mechanism.Latch Lubricated + (03:58:07, 27 May 2025)
- 05000373/LER-1982-033-03, /03L-0:on 820605,excessive Leakage Found in 1B RHR Svc Water Radiation Monitor Sample Pump Housing. Caused by Damaged O-ring on Sample Pump housing.O-ring Replaced & Tested Satisfactorily + (03:58:16, 27 May 2025)
- IR 05000245/1982001 + (04:02:20, 27 May 2025)
- 05000296/LER-1982-020-03, /03L-0:on 820523,control Rod Drive (CRD) 46-15 Failed to Scram & CRD 54-47 Had 90% Scram Insertion Time of 8.02-s,failing to Meet Tech Spec 3.3.C Criteria.Caused by Incorrectly Rebuilt Pilot Valves.Valves Reassembled + (04:02:28, 27 May 2025)
- 05000339/LER-1982-028-03, /03L-0:on 820529,power Supply Breaker Inside Recirculation Spray Pump Failed to Operate During Emergency Bus Loss of Power Test.Caused by Misalignment of Motor Protection Circuit Switch.Switch Readjusted + (04:02:33, 27 May 2025)
- 05000316/LER-1982-047-03, /03L-0:on 820603,insp Revealed That Installation of Valve Control 2-ABV-A Did Not Conform to Design Drawing. Caused by Inadequate Installation During Const.Emergency Mod Initiated + (04:02:37, 27 May 2025)
- 05000296/LER-1981-062, Forwards Updated LER 81-062/03X-1 + (04:02:40, 27 May 2025)
- 05000338/LER-1982-040-03, /03L-0:on 820525,pressure in Nitrogen Reservoir for Pressurizer Power Operated Relief Valve (PORV) PCV-1455C Dropped Below Required Min Pressure.Caused by Leakage in PORV Nitrogen Supply Sys.Sys Will Be Modified + (04:02:43, 27 May 2025)
- 05000316/LER-1982-046-03, /03L-0:on 820520,west Centrifugal Charging Pump Removed from Svc to Repair Leaking 1/2-inch Threaded Seal Water Line Elbow at Inboard Mechanical Seal Hx.Cause of Leak Undetermined.Fitting Removed & Threads Cleaned + (04:02:44, 27 May 2025)
- 05000338/LER-1982-033-03, /03L-0:on 820525,w/unit in Mode 5,fire Door M80-1 Between Rod Control Room & Outside Found Blocked Open W/O Fire Watch.Door Blocked by Air & Electrical Lines.Blocks Removed & Door Closed + (04:02:49, 27 May 2025)
- 05000296/LER-1982-024-03, /03L-0:on 820523,during Startup testing,5% Average Insertion Time for All Control Rods Exceeded & 11 2x2 Arrays Failed to Meet 5% Insertion Time for Fastest 3 Rods.Cause Undetermined + (04:02:51, 27 May 2025)
- IR 05000373/1981030 + (04:02:52, 27 May 2025)
- 05000327/LER-1982-067-03, /03L-0:on 820521,diesel Generator 1B-B Declared Inoperable When 120-volt Control Power Fuses Blew During Replacement of Bulb in Control Board.Caused by Shattered Bulb Glass Shorting Filaments.Fuses & Bulbs Replaced + (04:02:54, 27 May 2025)
- 05000338/LER-1982-035-03, /03L-0:on 820517,2B Fuel Oil Storage Sys for Emergency Diesel Generators Found Below Tech Spec Limits. Caused by Slow Flow Rate from Transfer Line to Day Tank. Filling Rate to 2B Tank Increased + (04:02:57, 27 May 2025)
- TAC:45202 + (04:02:57, 27 May 2025)
- TAC:12672 + (04:03:01, 27 May 2025)
- 05000366/LER-1982-057-03, /03L-0:on 820527,containment Hydrogen Peroxide Analyzer Found Inoperable.Caused by Component Failure. Analyzer Internal Sampling Flow Components Failed to Maintain Correct Flow.Sample Pump Repaired + (04:03:23, 27 May 2025)
- 05000305/LER-1982-015-03, /03L-0:on 820518,while Trying to Borate RCS During Physic Testing,No Boric Acid Flow Obtained Through Blender Due to freeze-up in Boric Acid Tank to Blender Line at Valve CVC-401.Old Heat Tracing Tape Replaced + (04:03:39, 27 May 2025)
- 05000325/LER-1981-093, Updated LER 81-093/01T-2:on 811226,reactor Protection Sys Vessel Low Level Trip instrument,1-B21-LT-NO17D-1,was Indicating Upscale.Caused by Personnel Failure to Recognize & Perform Tech Specs.Personnel Counseled + (04:03:44, 27 May 2025)
- 05000315/LER-1982-040-03, /03L-0:on 820521,operator Discovered Fire Door 367 to Nuclear Sampling Room Would Not Close Properly.Caused by 3 of 4 Screws Missing from Sequencer for Double Doors. Sequencer Securely Fastened to Frame + (04:03:48, 27 May 2025)
- 05000325/LER-1981-095-03, RHR Svc Water Subsystem Pumps B & D Would Not Start Due to Simulated Low Header Pressure Lockout.Caused by Open Circuit Breaker in Motor Coolers Low Suction Pressure Permissive Switch + (04:03:50, 27 May 2025)
- 05000325/LER-1981-095, Forwards Updated LER 81-095/03L-1 + (04:03:53, 27 May 2025)
- 05000338/LER-1982-039-03, /03L-0:on 820517,steam Flow Channel IV Flow Indicator FI-1485 for Steam Generator 1B Discovered Reading Offscale Low.Cause Not Determined.Channel Placed in Trip Condition,Transmitter Calibr & Instrument Loop Checked + (04:03:59, 27 May 2025)
- 05000366/LER-1982-052-03, /03L-0:on 820525,during Startup from Refueling & Performance of Safety Relief Valve Operability Tests, Solenoids of Valves 2B21-F013A & E Interchanged.Caused by Personnel Error.Personnel Reinstructed + (04:04:02, 27 May 2025)
- 05000328/LER-1982-064-03, /03L-0:on 820523,lower Containment Airlock Door Failed Air Leak Rate Test.Caused by Air Leakage Through Door Handwheel Shaft Packing.Packing Tightened & Door Retested. Design Change Request Submitted + (04:04:11, 27 May 2025)
- 05000339/LER-1982-026-03, /03L-0:on 820520,RCS Suction to RHR Sys Pumps Lost on Three Occasions.Caused by Erroneous RCS Level Indications While Draining Rcs.Charging Pump Started to Refill Sys + (04:04:16, 27 May 2025)
- 05000339/LER-1982-024-03, /03X-0:on 820518,w/RCS Water Solid,Power Operated Relief valve,PCV-2456,lifted Twice When Loop C Cold Leg Stop valve,MOV-2595,opened & Reactor Coolant pump,2-RC-P-1C Started.Caused by Thermal Expansion of Reactor Coolant + (04:04:30, 27 May 2025)
- 05000250/LER-1982-005-03, /03L-0:on 820519,during Routine Startup,Augmented Surveillance of Hot Channel Factors Not Initiated When Threshold Power (98%) Was Passed.Caused by Procedural Error.Procedure Change Initiated + (04:04:33, 27 May 2025)
- 05000267/LER-1982-019-03, /03L-0:on 820518,during Feedwater Flow Surveillance Test,Circulator 1A Speed Program Switch & Two Feedwater Flow Switches Were Out of Calibr.Caused by Instrument Drift.Switches Recalibr + (04:05:13, 27 May 2025)
- 05000334/LER-1982-014, Forwards LER 82-014/01T-0 + (04:05:17, 27 May 2025)
- 05000318/LER-1982-024-03, /03L-0:on 820514,ESF Actuation Sys Channel C Pressurizer Pressure Failed Low,Resulting in Removal of Channel Zf & Subcooled Margin Monitor 22 from Svc.Caused by Fault in Ac/Dc Converter Isolator 2-PY-102C + (04:05:47, 27 May 2025)
- 05000219/LER-1982-029, Forwards LER 82-029/01T-0.Detailed Event Analysis Encl + (04:05:48, 27 May 2025)
- 05000311/LER-1982-044-03, /03L-0:on 820518,operator Discovered Leakage Rate of 130-ft Elevation Containment Air Lock Exceeded Tech Spec Limits.Caused by Improperly Positioned Inner Door Seal. Inner Door Seal Properly Positioned + (04:05:54, 27 May 2025)
- 05000334/LER-1982-018-03, /03L-0:on 820512,RHR Pump RH-P-1B Failed to Start. Caused by Interruption of RHR Flow,Due to Procedural & Personnel Errors.Circuit Breaker Racking Mechanism Problem Delayed Restoring Flow.Procedure Revised & Operator Trained + (04:05:54, 27 May 2025)
- ML20054H181 + (04:06:03, 27 May 2025)
- 05000315/LER-1982-039-01, /01T-0:on 820601,during Monthly Insp of Eccs,Boron Injection Tank Isolation Valve Cycled W/Recirculation Valve Open.Caused by Personnel Error.Procedure Revised & Appropriate Administrative Action Taken + (04:06:20, 27 May 2025)
- 05000318/LER-1980-011-01, Diesel Generator 21 Failed to Achieve 10-s Rated Speed,Rendering Low Pressure Safety Injection Pump 22 Inoperable.Caused by Slow Response of Diesel Generator Governor.Governor Replaced + (04:06:26, 27 May 2025)
- 05000318/LER-1980-011, Forwards Updated LER 80-011/01X-1 + (04:06:29, 27 May 2025)
- 05000272/LER-1982-032-03, /03L-0:on 820515,boric Acid Flow in Transfer Pumps 11 & 12 Decreased Below Tech Spec Limit Rendering Pumps Inoperable.Caused by Increase in Impeller to Volute Clearance Due to Normal Wear.Clearance Adjusted + (04:06:44, 27 May 2025)
- 05000333/LER-1982-023-03, /03L-0:on 820514,during Normal Operation,While Conducting Surveillance,Containment Isolation Valve 10 MOV 38A Found Inoperable.Caused by Motor Failure.Motor Replaced + (04:07:56, 27 May 2025)
- 05000311/LER-1982-046-03, /03L-0:on 820527,during Routine Surveillance,Less than Required Svc Water Flow to Containment Coil Unit 23 Discovered.Caused by Oysters Plugging Valve Tube Bundle 23SW57.Oysters Removed & Svc Water Flow Returned to Normal + (04:08:07, 27 May 2025)
- 05000313/LER-1982-011-03, /03L-0:on 820514,discovered That on 820502 Reactor Heated Above 280 F W/O Proving Emergency Feedwater Sys Operable Through Successful Completion of Required Automatic Actuation Surveillance Tests + (04:08:15, 27 May 2025)