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

• 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)
• ML20086E847  + (07:20:10, 14 December 2024)
• ML20086E840  + (07:20:11, 14 December 2024)
• ML20086E835  + (07:20:11, 14 December 2024)
• ML20086E831  + (07:20:12, 14 December 2024)
• 05000254/LER-1991-021-01, :on 911025,RCIC Declared Inoperable Due to High Pump Flow in IST Required Action Range.Caused by Instrument Drift Due to Aging of Control Room.Control Room Tachometer Indicators Replaced  + (07:20:14, 14 December 2024)
• B13970, Clarifies 911009 Proposed Changes to TS Re Correction of Editorial & Typo Errors,Per Conversations W/Nrc. Nonintent Changes, Defined as Not Changing Intent or Meaning of Subj Matter  + (07:20:15, 14 December 2024)
• 05000373/LER-1991-016-01, :on 911024,division 3 125 Volt Dc Battery Inoperable Due to Loose Connection.Cause Unknown.Battery Cable Connection Retorqued & Resistance Measurements Verified  + (07:20:16, 14 December 2024)
• ML20086E826  + (07:20:17, 14 December 2024)
• ML20086E824  + (07:20:18, 14 December 2024)
• ML20086E823  + (07:20:19, 14 December 2024)
• 05000373/LER-1991-017-02, :on 911023,reactor Core Isolation Cooling Turbine Tripped on Mechanical Overspeed.Caused by Failure of Governor Valve to Close During Start of Sys.Mechanical Valve & Electrical Governor Actuator Inspected  + (07:20:20, 14 December 2024)
• ML20086E814  + (07:20:21, 14 December 2024)
• ML20086E813  + (07:20:22, 14 December 2024)
• ML20086E810  + (07:20:23, 14 December 2024)
• ML20086E812  + (07:20:23, 14 December 2024)
• ML20086E808  + (07:20:24, 14 December 2024)
• B13982, Forwards Comments on Draft AEOD Special Rept, Experience W/ Pump Seals Installed in Reactor Coolant Pumps Mfg by Byron Jackson  + (07:20:25, 14 December 2024)
• ML20086E802  + (07:20:25, 14 December 2024)
• HL-4877, Forwards Core Shroud Stabilizer Design Submittal,Providing Analyses & Conclusions Supporting Implementation of Facility Shroud Repair.Ge Proprietary Info Also Encl.Ge Proprietary Info Withheld Per 10CFR2.790  + (07:20:26, 14 December 2024)
• ML20086E797  + (07:20:27, 14 December 2024)
• ML20086E792  + (07:20:28, 14 December 2024)