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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
- 05000277/LER-1976-063-01, /01T:on 760825,suppressor on Recirculation Pump B Found W/Empty Reservoir.Caused by Broken Sight Glass.Site Glass Replaced & Suppressor Refilled & Checked for Leaks + (07:18:45, 14 December 2024)
- 05000277/LER-1976-064-03, /03L:on 760829,containment Atmosphere Dilution Sys Declared Inoperable Because Liquid Nitrogen Tank Relief Valve Failed to Reseat,Blowing Down Content Below Limits. Blowback Ring Replaced + (07:18:46, 14 December 2024)
- 05000277/LER-1976-065-36, /03L:on 760828,APRM a Trip Points Found to Be Less Conservative than Tech Spec Required W/Reactor in Run Mode. Caused by Instrument Drift.Aprm Recalibr & Returned to Svc + (07:18:48, 14 December 2024)
- BECO-LTR-91-995, Ack Receipt of Requesting That Util Respond to Review Comments of T Urbanik (Kld Assoc) Re Evacuation Time Estimate Sensitivity Study for Beach Populations.Util Already Responded to Issues Raised by Kld Assoc + (07:18:49, 14 December 2024)
- 05000454/LER-1991-005-08, :on 911027,Mode 4 Entered W/Containment Spray Sys & ECCS Recirculation Sump Isolation Valves Inoperable. Caused by Control Room Personnel Failure.Mode Change Checklists Will Be Revised + (07:18:51, 14 December 2024)
- ML20086F181 + (07:18:53, 14 December 2024)
- ML20086F176 + (07:18:53, 14 December 2024)
- ML20086F161 + (07:18:54, 14 December 2024)
- RBG-35-981, Informs of Two Deviations Between Plant & Simulator Resulting from Mods to Plant Control Room,Per Exceptions Noted in 901217 Submittal of NRC Form 474, Simulation Facility Certification + (07:18:54, 14 December 2024)
- BECO-LTR-91-999, Responds to Violations Noted in Electrical Distribution Sys Functional Insp Rept 50-293/91-80 on 910722-26.Corrective Actions:Personnel Received Root Cause Analysis Training & Root Cause Analysis & Evaluation Procedures to Be Revised + (07:18:55, 14 December 2024)
- ML20086F157 + (07:18:56, 14 December 2024)
- 05000293/LER-1991-026, :on 911030 & 31,automatic Actuations Occurred in RWCU Sys Portion of Primary Containment Isolation Control Sys.Possibly Caused by Momentary Fluctuations in RWCU Sys Flow.High Flow Sensor Settings Verified + (07:18:57, 14 December 2024)
- ML20086F145 + (07:18:58, 14 December 2024)
- 05000000/LER-1977-005, Updated LER 77-005/1T:on 770114,failure of High Pressure Svc Water/Emergency Svc Water & Emergency Cooling Water Pumps to Meet FSAR Seismic Requirements Noted.Caused by Change in Calculation Techniques + (07:18:59, 14 December 2024)
- 05000000/LER-1977-005-01, /1P:on 770114,failure of High Pressure Svc Water/Emergency Svc Water & Emergency Cooling Water Pumps to Meet FSAR Seismic Requirements Noted.Caused by Change in Calculational Techniques.Bolts/Restraints to Be Added + (07:19:00, 14 December 2024)
- ML20086F110 + (07:19:01, 14 December 2024)
- ML20086F101 + (07:19:02, 14 December 2024)
- ML20086F080 + (07:19:03, 14 December 2024)
- RBG-41682, Informs That Pending Resolution of 950525 Submittal of 10CFR50.90 Change,Requesting Exception to Physical Security Plan,C/A Commitment Per Violation 50-458/9505-01 to Modify Backup Power Supply for Security Sys Placed on Hold + (07:19:03, 14 December 2024)
- ML20086F073 + (07:19:04, 14 December 2024)
- ML20086F069 + (07:19:04, 14 December 2024)
- 05000277/LER-1977-001-01, /01T:on 770104,reservoirs of Hydraulic Snubber Relief Valves RV-71E & SS-C6 Found Empty.Caused by Reservoir Leak & Loose Locking Nut Allowing Unit to Turn Upside Down. Repairs Made & Reservoirs Filled + (07:19:06, 14 December 2024)
- 05000277/LER-1977-002-03, /03L:on 770102,control Rods 30-27 & 54-23 Did Not Fully Insert on Auto Scram Signal.Cause Undetermined.Rods Successfully scram-timed & friction-tested + (07:19:08, 14 December 2024)
- 05000277/LER-1977-003-01, /01T:on 770103,insp of Four Relief Valves Revealed Delamination & Overheating of Air Operator Diaphragms.Cause Not Stated.Diaphragms Replaced + (07:19:10, 14 December 2024)
- 05000277/LER-1977-004-01, /01T:on 770106,main Steam Relief Valve 71E Failed Open.Caused by Excessive Pilot Valve Seat Leakage.Valve 71D Replaced.Pilot Valve Section Replaced on Valves 71E & 71K + (07:19:11, 14 December 2024)
- 05000277/LER-1977-006-03, /03L:on 770111,transient in-core Machine Probe Travelled Beyond in-shield Limit Switch During Withdrawal. Caused by Personnel Misoperation & Short Circuit in Backup Circuit.Short Corrected + (07:19:13, 14 December 2024)
- 05000277/LER-1977-007-03, /03L:on 761121,rod Block Monitor Functional Surveillance Test Not Performed for Nov 1976.Caused by Personnel Error.Test Performed on Schedule in Dec + (07:19:15, 14 December 2024)
- 05000261/LER-1977-001, :on 770124,during Normal Operations Boric Acid Transfer Pump B Tripped Due to High Pump Motor Temp Cutout. Caused by Equipment Malfunction.Pump Balance Line Cleaned & Restarted + (07:19:18, 14 December 2024)
- 05000261/LER-1977-002, :on 770125,flow Paths from Boric Acid Storage Tanks Made Inoperable for Maint of Two Chemical & Vol Control Sys Valves.Caused by Personnel Error.Personnel Lectured to Ensure Tech Specs Understood + (07:19:21, 14 December 2024)
- 05000261/LER-1977-003, :on 770131,during Normal Operation,Boric Acid Transfer Pump B Tripped Due to High Pump Motor Temp Cutout. Caused by Improper Setting of Motor Temp Cutout.Motor Temp Cutout Reset.New Stator Installed + (07:19:23, 14 December 2024)
- 05000261/LER-1977-004, :on 770317,while Constant Axial Offset Control Out of Svc,Axial Flux Differences Not Logged as Required Per Plant Procedures.Caused by Failure to Maintain Log.Operating Procedures & Out of Svc Logs Combined + (07:19:25, 14 December 2024)
- 05000261/LER-1977-005, :on 770324,containment Spray Pump a Discovered Not in Svc.Caused by Personnel Error.Personnel Instructed to Review Applicable Tech Specs Re Equipment Required for Critical Plant Operations + (07:19:27, 14 December 2024)
- 05000261/LER-1977-006, :on 770326,during 0% Power,Valve V2-14A Failed to Open While Attempting to Feed Steam Generator a Through Valve W/Steam Driven Auxiliary Feedwater Pump.Caused by Binding Valve Seat Surfaces.Valve Recycled + (07:19:29, 14 December 2024)
- 05000261/LER-1977-007, :on 770422,isolation Valve for Compressed Air Supply Discovered Closed.Caused by Personnel Error.Valve Opened.Penetration Pressurized + (07:19:30, 14 December 2024)
- 05000261/LER-1977-008, :on 770424,control Rod N-9 Failed to Fall Into Core Following Power Reactor Trip.Caused by Drive Mechanism Malfunction.Shutdown Bank a Withdrawn & Realigned w/N-9.Rod Drop Test Performed + (07:19:32, 14 December 2024)
- ML20086F026 + (07:19:35, 14 December 2024)
- ML20086F020 + (07:19:40, 14 December 2024)
- ML20086E997 + (07:19:43, 14 December 2024)
- ML20086E980 + (07:19:44, 14 December 2024)
- 05000455/LER-1991-004-13, :on 911030,spurious Train B Feedwater Isolation Signal Generated,Causing Tempering Line Flow Control & Downstream Isolation Valves to Close.Caused by Failure of Logic Card.Isolation Reset + (07:19:48, 14 December 2024)
- ML20086E930 + (07:19:50, 14 December 2024)
- ML20086E914 + (07:19:51, 14 December 2024)
- ML20086E906 + (07:19:51, 14 December 2024)
- ML20086E893 + (07:19:52, 14 December 2024)
- ML20086E866 + (07:19:53, 14 December 2024)
- ML20086E859 + (07:19:59, 14 December 2024)
- 05000354/LER-1995-008, :on 950608,reviewer Determined Procedure Rev Would Render HPCI Inoperable During Jockery Pump Test.Caused by Personnel Error.Lessons Learned Will Be Shared W/ Appropriate Individuals + (07:20:00, 14 December 2024)
- ML20086E854 + (07:20:03, 14 December 2024)
- 05000293/LER-1991-023, :on 910728,11 of 76 Drywell Head Bolts Discovered Loose During Integrated Leak Rate Test.Caused by Failure of spherical-type Washer Sets & Use of Wrong Matl. Washer Sets Replaced & Procedure Revised + (07:20:05, 14 December 2024)
- NRC-91-0156, Advises That Application for Amend to License NPF-43, Changing Tech Specs Re Emergency Equipment Cooling Water Sys Delayed from 911130 to 1217.Delay Necessary to Generically Resolve Issues in Generic Ltr 91-18 Re Degraded Conditions + (07:20:09, 14 December 2024)
- ML20086E849 + (07:20:10, 14 December 2024)