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

• 05000254/LER-1983-025-03, /03L-0:on 830621,maint Dept Observed Valve Yoke Pulled Away from Valve Bonnet & Valve Steam Bent.Caused by Bolts Vibrating Loose.Bent Stem Straightened & Locking Tabs Installed on yoke-to-bonnet Bolting  + (12:27:02, 26 May 2025)
• L-94-010, Evaluation of Util Response to Suppl 1 to NRC Bulletin 90-01: Byron-1/-2, Technical Evaluation Rept  + (12:27:21, 26 May 2025)
• 05000282/LER-1989-010, :on 890721,reactor Trip Occurred Resulting from Loss of One Reactor Coolant Pump.Caused by Personnel Error. Problem Investigated.Bus Doors 4160V Labeled & Potential Fuse Drawer Fronts Also Labeled  + (12:27:44, 26 May 2025)
• 05000341/LER-1990-013, :on 901228,determined That Need for Isolation of Sampling Line in Event of LOCA Not Identified in Procedure & Primary Containment Integrity Could Be Compromised.New Sample Taps Added  + (12:27:47, 26 May 2025)
• TAC:52416  + (12:27:57, 26 May 2025)
• ML20076N029  + (12:28:39, 26 May 2025)
• TAC:49989  + (12:29:53, 26 May 2025)
• TAC:45264  + (12:30:00, 26 May 2025)
• 05000333/LER-1993-009-02, Forwards LER 93-009-02 Re Low Rwl Scram Due to FW Transient. Replacement of Reactor Feed Discharge Valves W/Improved Design Scheduled So That One Valve Will Be Replaced During 1994 Refueling Outage  + (12:32:20, 26 May 2025)
• ML20076K993  + (12:32:32, 26 May 2025)
• 05000324/LER-1983-079-03, /03L-0:on 830807,during Diesel Generator 1 Monthly Load Test PT-12.2a,generator Reverse Power Trip Occurred, Rendering Diesel Unavailable for Automatic Operation.Caused by Personnel Error.Personnel Counseled  + (12:32:35, 26 May 2025)
• ML20076K800  + (12:33:06, 26 May 2025)
• ML20076K793  + (12:33:08, 26 May 2025)
• 05000370/LER-1983-037-03, /03L-0:on 830801,invalid Alarms Received for Fire Detection Zones Efa 175 (Reactor Bldg Elevation 768) & 186 (Reactor Bldg Annulus) Which Would Not Clear.Caused by Dust &/Or Welding Fumes Due to Maint Activities  + (12:33:15, 26 May 2025)
• 05000331/LER-1983-029-03, /03L-0:on 830809,during Normal Operations,Both Doors of Reactor Bldg Airlock Found Open Simultaneously. Caused by Blown Interlock Fuse & Loose Wire.Interlock Repaired  + (12:33:18, 26 May 2025)
• 05000282/LER-1994-008-01, :on 940926,inoperability of Continuous Air Monitor When Power Supply Was Tripped W/O CR Knowledge. Power Supply Reset  + (12:33:21, 26 May 2025)
• ML20076K756  + (12:33:26, 26 May 2025)
• ML20076K746  + (12:33:29, 26 May 2025)
• ML20076K735  + (12:33:32, 26 May 2025)
• ML20076K732  + (12:33:34, 26 May 2025)
• 05000316/LER-1983-077-01, /01T-0:on 830824,following Discussion W/Region Iii,Control Room Smoke Detectors Declared Inoperable.Caused by Difference in Interpretation of Testing Requirement. Smoke Detection Sys Test Initiated  + (12:33:36, 26 May 2025)
• ML20076K728  + (12:33:38, 26 May 2025)
• ML20076K721  + (12:33:41, 26 May 2025)
• TAC:52640  + (12:33:42, 26 May 2025)
• 05000328/LER-1994-007-01, :on 940923,CCP Total Flow Rate Exceeded TS Upper Limit Resulting in Pump Being Inoperable.Caused by Incorrect Evaluation of Spare Rotating Element.Previously Performed Evaluation Being Reviewed  + (12:33:44, 26 May 2025)

• 05000416/LER-1994-009-02, :on 940929,LSFT Surveillance Procedures Discrepancy in Testing of Containment Spray Initiation Logic Was Revealed.Caused by Procedural Inadequacy.Deficiency Rept Was Written  + (12:33:47, 26 May 2025)

• 05000416/LER-1994-010-02, :on 940930,during Walkdown of Control & Auxiliary Bldg Pressure Doors,Pressure Door OC312 Was Found Propped Open.Caused by Inadequate Procedural Guidance. Procedure Revised  + (12:33:52, 26 May 2025)
• 05000261/LER-1983-022-01, /01T-0:on 830823,svc Water Leak Discovered on Containment Fan Cooler HVH-2.Svc Water Isolated.Caused by Defective Tube Bundle.Tube Repaired  + (12:33:53, 26 May 2025)
• 05000361/LER-1983-039-01, /01T-0:on 830621,motor-driven Auxiliary Feedwater Pump 3P-504 Declared Inoperable Following Failure to Complete 48 H Endurance Run.Caused by Failed Outboard Bearing.Bearings Replaced  + (12:33:54, 26 May 2025)
• 05000324/LER-1982-052-03, Surveillance Revealed Makeup Demineralized Water Tank Inventory Below Stds.Caused by Isolated Fire Protection Water Tank Makeup Supply Due to Planned Maint.Makeup to Tank Restored  + (12:33:56, 26 May 2025)
• 05000361/LER-1983-063-01, /01T-0:on 830621,motor-driven Auxiliary Feedwater Pump 2P-504 Declared Inoperable Due to Improperly Machined Oil Grooves.Properly Machined Bearings Installed  + (12:33:57, 26 May 2025)
• TAC:51851  + (12:34:03, 26 May 2025)
• ML20076K637  + (12:34:04, 26 May 2025)
• ML20076K633  + (12:34:06, 26 May 2025)
• 05000315/LER-1983-079-01, /01T-0:on 830824,control Room Smoke Detectors Declared Inoperable Since Util Had Not Demonstrated Detectors Will Perform as Installed.Caused by Requirement Misinterpretation.Sys Will Be Tested  + (12:34:07, 26 May 2025)
• 05000301/LER-1994-004-01, :on 941006,RCS Chloride Sample Taken Outside Periodicity Required by TS Due to Incomplete Communications. RCS Sampled & Chloride Concentration Verified to Be within Acceptable Limit  + (12:34:15, 26 May 2025)
• ML20076K507  + (12:34:18, 26 May 2025)
• ML20076K502  + (12:34:20, 26 May 2025)
• 05000293/LER-1994-006, :on 940917,unplanned Actuation of Portion of Channel B Core Standby Cooling Sys Logic Circuitry Occurred.Caused by Inadequate Plant Impact Reviews for Activity Performed.Procedure Revised  + (12:34:22, 26 May 2025)
• ML20076K496  + (12:34:23, 26 May 2025)
• 05000498/LER-1994-016, :on 940923,failure to Fully Meet Requirements of TS Due to Not Placing CR Envelope HVAC Sys in Required Mode.Toxic Gas Analyzers Repaired & Mod Implemented  + (12:34:25, 26 May 2025)
• 05000482/LER-1994-012, :on 940925,failure to Correctly Calibr Refueling Machine Load Monitor Occurred.Caused by Inadequate Procedure Controlling Calibr,Setup & Checkout of Refuel Machine Load Monitor.Procedure Revised  + (12:34:32, 26 May 2025)
• ML20076K253  + (12:34:53, 26 May 2025)
• ML20076K230  + (12:34:56, 26 May 2025)
• ML20076K225  + (12:34:58, 26 May 2025)
• ML20076K218  + (12:35:00, 26 May 2025)
• ML20076K215  + (12:35:02, 26 May 2025)
• ML20076K204  + (12:35:04, 26 May 2025)
• 05000366/LER-1983-050-03, RCIC Coupling End Bearing Temp Switch 2E51-N753 Removed & Different Model Installed W/O Design Change Request.Caused by Personnel Error.Design Change Request Written  + (12:35:30, 26 May 2025)
• 05000339/LER-1983-063-03, /03L-0:on 830730,rod Insertion Limits Violated for 1 H.Caused by Control Room Operator Using Secondary Calorimetric to Determine Power Level.Limits Are Actually Function of Primary Power  + (12:35:34, 26 May 2025)
• 05000311/LER-1983-044-01, /01T-0:on 830811,following Reactor Trip,Vital Bus Sustained Degraded Undervoltage Relays Found Slightly Below Min Value.Caused by Setpoint Drift.Relays Recalibr  + (12:35:42, 26 May 2025)