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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

• 05000325/LER-1982-050-03, /03L-0:on 820505,discovered Broken Instrument Diaphragm Nipple on Main Condenser Low Vacuum PCIS Instrument.Caused by Operating Environ Vibration of Instrument.Model D2T-M1855-L6 Replaced  + (05:11:21, 27 May 2025)
• IR 05000220/1982003  + (05:11:24, 27 May 2025)
• ML20053D746  + (05:11:28, 27 May 2025)
• 05000366/LER-1982-045-03, /03L-0:on 820427,w/reactor Shut Down for Torus Mod & Refueling Outage,Reactor Water Conductivity Observed to Be Greater than Tech Spec Limit.Cause of Sudden Spike of Conductivity Unknown.Rwcu B Taken Out of Svc  + (05:11:48, 27 May 2025)
• 05000327/LER-1982-056-03, /03L-0:on 820502,w/unit in Mode 1,one Auxiliary Feedwater Automatic Control Valve Declared Inoperable Due to Failure to Meet Surveillance Requirements.Caused by Faulty Signal from Pipe Break Detection Pressure Switch  + (05:11:55, 27 May 2025)
• 05000328/LER-1982-058-03, /03L-0:on 820429,after Routine Maint,Diesel Generator 2A-A Tripped on Both Crankcase Overpressure Switches Before Reaching 900 Rpm.Caused by Improper Latching of Reset Button.Switch Assembly Relatched  + (05:11:58, 27 May 2025)
• 05000339/LER-1982-018-03, /03L-0:on 820427,emergency Diesel Generator Returned to Svc W/O Residual Voltage Protection in Control Circuit of Output Breaker.Caused by Interruption of Design Change 80-571.Timer Reinstalled  + (05:11:59, 27 May 2025)
• 05000324/LER-1982-059-03, /03L-0:on 820426,during Refueling While Realigning Core Spray Subsystem Pump Suction to Core Spray Tank Vs Suppression Pool,Tank Water Inventory Fell Below Tech Spec Requirement.Caused by Personnel Error.Inventory Restored  + (05:12:02, 27 May 2025)
• 05000327/LER-1982-054-03, /03L-0:on 820502,at 100% Power,Steam Generator Blowdown Containment Isolation Valve 1-FCV-1-25 Would Not Reopen After Blowdown Was Isolated.Caused by Ruptured Valve Operator Diaphragm.Diaphragm Replaced  + (05:12:03, 27 May 2025)
• 05000321/LER-1982-040-03, /03L-0:on 820430,during Testing,Rhr Svc Water Pump IE11-C001A Failed to Meet Rated Flow Requirements of Tech Specs.Caused by Failed Mechanical Seal.Mechanical Seal Replaced  + (05:12:06, 27 May 2025)
• 05000368/LER-1982-016-03, /03L-0:on 820505,electrolyte Levels of Battery Cells in 2D-12 Found Above Max Tech Spec Levels.Caused by Over Charging Battery to Raise Cell Voltages.Electrolyte Removed from Cells  + (05:12:10, 27 May 2025)
• 05000298/LER-1982-009-03, /03L-0:on 820428,suppression Chamber Level Instrument PC-LI-13 Failed full-scale.Caused by Personnel Error.Ref Water Leg Drained While Collecting Torus Water Sample.Level Transmitter Replaced.Sampling Valve Tagged  + (05:12:12, 27 May 2025)
• 05000348/LER-1982-021-03, /03L-0:on 820428,2A Recombiner Oxygen Outlet Analyzer Declared Inoperable When B2 Oxygen Fuel Cell Failed.Cause Not Stated.Fuel Cell Replaced  + (05:12:18, 27 May 2025)
• 05000366/LER-1982-048-03, /03L-0:on 820506,core Spray Sys & LPCI Sys Discovered Inoperable.Caused by Personnel Error.Lpci & Core Spray Loops Aligned to Torus W/Torus Inoperable Due to Inoperable Level Instrumentation  + (05:12:24, 27 May 2025)
• 05000259/LER-1982-028-03, /03L-0:on 820428,phase C Relay of 4-kv Shutdown Board D Tripped Above Max Allowable Value.Caused by Instrument drift.Gould-Brown Boveri Ite 27/59H Relay Recalibr.Tests Will Be Completed by 820801  + (05:12:25, 27 May 2025)
• ML20053D598  + (05:12:28, 27 May 2025)
• ML20053D596  + (05:12:29, 27 May 2025)
• 05000321/LER-1982-036-03, /03L-0:on 820429,1B21-R615 Reactor Level Recorder Found Inoperative.Caused by Open Resistor R18 in Recorder Amplifier.Component Replaced & Recorder Recalibr  + (05:12:30, 27 May 2025)
• ML20053D583  + (05:12:34, 27 May 2025)
• 05000321/LER-1982-042-03, /03L-0:on 820505,unsealed Penetration Discovered Passing Through 112-ft to 130-ft Elevation.Penetration Overlooked During Const Phase.Maint Request Issued for Installation of Fire Rated Seal  + (05:12:37, 27 May 2025)
• 05000325/LER-1982-051-03, /03L-0:on 820505,during Rod Sequence Control Sys Operability test,PT-1.6.1,fully Inserted Control Rod 30-19 Had Intermittent full-in RTGB Position Indication.Caused by Defective Rod Position Reed Switch  + (05:12:38, 27 May 2025)
• ML20053D566  + (05:12:41, 27 May 2025)
• ML20053D562  + (05:12:47, 27 May 2025)
• ML20053D561  + (05:12:49, 27 May 2025)
• 05000206/LER-1982-014-03, /03L-0:on 820429,four Snubbers Identified as Having Empty Reservoirs.Upon Further Testing,One Snubber Failed to Pass Stroke Test.Caused by Excessive Hydraulic Fluid Leakage.Snubbers Rebuilt  + (05:13:05, 27 May 2025)

• 05000206/LER-1982-014, Forwards LER 82-014/03L-0.Detailed Event Analysis Submitted  + (05:13:07, 27 May 2025)

• ML20053D540  + (05:13:09, 27 May 2025)
• ML20053D538  + (05:13:11, 27 May 2025)
• ML20053D535  + (05:13:13, 27 May 2025)
• ML20053D523  + (05:13:18, 27 May 2025)
• ML20053D518  + (05:13:21, 27 May 2025)
• ML20053D512  + (05:13:24, 27 May 2025)
• ML20053D506  + (05:13:27, 27 May 2025)
• 05000316/LER-1982-041-03, /03L-0:on 820427,during Surveillance Testing,Axial Power Distribution Monitoring Sys Detector B F(2) Limit Setpoints Was Incorrect.Caused by Use of Incorrect Data During Test Performance.Procedures Revised  + (05:16:02, 27 May 2025)
• ML20053D351  + (05:16:05, 27 May 2025)
• ML20053D346  + (05:16:07, 27 May 2025)
• ML20053D338  + (05:16:11, 27 May 2025)
• NUREG-0916, Notice of Issuance & Availability of Amend 51 to License DPR-18  + (05:16:13, 27 May 2025)
• IR 05000267/1981030  + (05:16:17, 27 May 2025)
• ML20053D291  + (05:16:30, 27 May 2025)
• 05000373/LER-1982-015-03, /03L-0:on 820417,fire Doors Were Not Inspected Daily or Weekly as Required by Lsf 172 Per Tech Spec.Caused by Security Personnel Inadvertently Deleting Insp.Daily & Weekly Fire Door Insp Immediately Established  + (05:16:38, 27 May 2025)
• ML20053D210  + (05:17:01, 27 May 2025)
• ML20053D212  + (05:17:01, 27 May 2025)
• IR 05000275/1982017  + (05:17:15, 27 May 2025)
• IR 05000461/1981003  + (05:17:25, 27 May 2025)
• 05000219/LER-1981-061, Forwards Updated LER 81-061/03X-1.Detailed Event Analysis Encl  + (05:17:35, 27 May 2025)
• 05000373/LER-1982-017-03, /03L-0:on 820425,during Performance of Instrument Surveillance LIS-PC-05,standby Gas Treatment Suction Valves 1(2)VG001 Did Not Open.Caused by Four Lifted Leads Preventing Opening of Suction Valves.Leads Reterminated  + (05:17:39, 27 May 2025)
• ML20053D057  + (05:18:03, 27 May 2025)
• 05000311/LER-1982-027-03, /03L-0:on 820418,RCS Water Inventory Not Performed within Tech Spec 72-h Time Interval.Changes in Xenon Reactivity Precluded Performance of Surveillance.Sump Pump & Radioactivity Monitor Surveillance Increased  + (05:18:19, 27 May 2025)
• 05000219/LER-1982-023-03, /03L-0:on 820418,during Normal Operation,Control Rod Drive Pump a Failed,Resulting in Operation in Degraded Mode.Cause Undetermined.Rotating Assembly Replaced  + (05:18:23, 27 May 2025)
• 05000272/LER-1982-030, Forwards LER 82-030/03L-0.Detailed Event Analysis Encl  + (05:18:30, 27 May 2025)