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

• 05000482/LER-1991-016, :on 910910,discovered That Five Control Bldg HVAC Sys Ductwork Damper Insp Covers Not Reinstalled Since Maint Activities on 910909.Caused by Inadequate Work Controls.Instructions Will Be Reviewed  + (11:15:18, 26 May 2025)
• 05000327/LER-1991-021, :on 910903,discovered That Surveillance Instruction to Implement Surveillance Requirement for Battery Performance Discharge Test Did Not Require Post Maint Test.Test Revised  + (11:15:21, 26 May 2025)
• ML20079G928  + (11:15:23, 26 May 2025)
• ML20079G889  + (11:15:27, 26 May 2025)
• ML20079G886  + (11:15:29, 26 May 2025)
• ML20079G881  + (11:15:30, 26 May 2025)
• 05000374/LER-1991-009-06, :on 910905,Div 1,Group VI & Group Viii Isolation Occurred.Caused by Mechanic Unintentionally Breaking Wire Leading to Riley Temp Module.Wire Replaced  + (11:15:33, 26 May 2025)
• 05000366/LER-1983-136-03, /03L-0:on 831213,standby Gas Treatment Fan 2B Tripped & Would Not Restart.Caused by Component Failure. Fan Motor Starter Replaced  + (11:15:35, 26 May 2025)
• 05000361/LER-1991-013-01, :on 910905,Train a Toxic Gas Isolation Sys Actuated.Caused by Inattention to Detail (Cognitive Error) by Operator.Operator Received Appropriate Disciplinary Action.Event Reviewed W/Personnel  + (11:15:37, 26 May 2025)
• 05000352/LER-1990-003, :on 900208,HPCI Sys Inboard Isolation Valve Isolated During Isolation Logic Surveillance Test.Caused by Mfg Error.Program for Replacement/Rework of Trip Units Being Implemented.Estimated Completion Date Dec 1993  + (11:15:38, 26 May 2025)
• 05000255/LER-1983-078-03, /03L-0:on 830915,QA Audit Revealed That Tech Spec Surveillance Procedure FO-1 Not Performed within Required Frequency.Caused by Personnel error.FO-1 Will Be Completed Prior to Plant Startup  + (11:15:42, 26 May 2025)
• 05000267/LER-1983-054-03, /03L-0:on 831213,emergency Feedwater Supply Header to Loop I Helium Circulators Unavailable to Drive Circulator Water Turbines.Caused by Repair to Safety Relief Valves & Pressure Control Valve  + (11:15:44, 26 May 2025)
• ML20079G847  + (11:15:46, 26 May 2025)
• ML20079G830  + (11:15:49, 26 May 2025)
• ML20079G789  + (11:15:56, 26 May 2025)
• ML20079G748  + (11:16:00, 26 May 2025)
• ML20079G723  + (11:16:05, 26 May 2025)
• ML20079G717  + (11:16:06, 26 May 2025)
• 05000338/LER-1983-085-03, /03L-0:on 831220,discovered Thermal Power Containment Pressure Channel IV Drifting & Causing Intermittent Alarms.Possibly Caused by Dirt in Feedback Coil.Transmitter Cleaned  + (11:16:09, 26 May 2025)
• 05000366/LER-1983-135-03, /03L-0:on 831212,during High Reactor Pressure Instrumentation Ft&C Procedure HNP-2-3001,reactor Vessel C Steam High Dome Pressure Switch 2B21-NO23C Out of Calibr. Caused by Setpoint Drift.Switch Recalibr  + (11:16:11, 26 May 2025)
• ML20079G647  + (11:16:22, 26 May 2025)
• ML20079G584  + (11:16:31, 26 May 2025)
• ML20079G124  + (11:17:30, 26 May 2025)
• 05000333/LER-1981-039-03, /03X-1:on 810429,containment Spray Valves 10M0V26A & 31A Limit Switch Rotors Failed,Making Containment Spray Loop a Inoperable.Caused by Loose Switch Finger Screws. Rotors Replaced  + (11:17:33, 26 May 2025)
• 05000333/LER-1981-039, Forwards LER 81-039/03X-1  + (11:17:36, 26 May 2025)

• EPID:L-2019-LLR-0083  + (11:18:25, 26 May 2025)

• ML20079F381  + (11:19:11, 26 May 2025)
• ML20079F342  + (11:19:17, 26 May 2025)
• ML20079F268  + (11:19:25, 26 May 2025)
• W3P82-0228, Forwards Central Files Version of Layout of Interim Emergency Operations & Backup Facilities.Communications & Dose Assessment Capabilities for Backup Facility Listed  + (11:19:33, 26 May 2025)
• ML20079E668  + (11:20:02, 26 May 2025)
• ML20079D772  + (11:21:29, 26 May 2025)
• ML20079D624  + (11:21:42, 26 May 2025)
• 05000293/LER-1990-001, :on 900209,two RCS Instrumentation Excess Flow Check Valves Inappropriately Verified Operable Due to Nomenclature Errors in 1987 Excess Flow Check Valve Surveillance Procedure.Two Valves Replaced  + (11:22:05, 26 May 2025)
• TAC:74994  + (11:22:15, 26 May 2025)
• 05000412/LER-1990-011, :on 900906,ESF Actuation & Containment Purge Occurred Due to High Radiation Signal.Caused by Electrical Disturbances Due to Lightning Strike.Damaged Instruments Replaced  + (11:22:24, 26 May 2025)
• TAC:68313  + (11:22:36, 26 May 2025)
• ML20079D041  + (11:22:41, 26 May 2025)
• 05000285/LER-1991-004, :on 910212,offsite Power Low Signal Discovered Outside Design Basis.Caused by Inadequate Mod.Mod Implemented to Alter Existing Logic Circuitry  + (11:22:52, 26 May 2025)
• ML20079B918  + (11:24:11, 26 May 2025)
• ML20079B853  + (11:24:17, 26 May 2025)
• ML20079B847  + (11:24:19, 26 May 2025)
• ML20079B723  + (11:24:28, 26 May 2025)
• 05000254/LER-1994-016-03, :on 941116,while Repairing 1/2 EDG CW Pump Bedplate,Hanger (H) 1052-M-303 Noted as Being Unloaded. Cause Unknown.Rod Hanger re-adjusted,units 1 & 2 EDG CW Pumps Reviewed & Rev of Applicable Procedures Made  + (11:24:44, 26 May 2025)
• ML20079B285  + (11:24:52, 26 May 2025)
• TAC:76131  + (11:25:07, 26 May 2025)
• ML20079B046  + (11:25:27, 26 May 2025)
• 05000333/LER-1994-009-01, :on 941129,partial Invalid Primary Containment Isolation as Result of Personnel Error During Electrical Bus Power Source Transfer.Operations Personnel Restored Sys to Normal in Accordance W/Plant Procedures  + (11:25:28, 26 May 2025)
• 05000368/LER-1991-013-01, :on 910512,fire Watches Released from Inoperable Fire Barriers Prematurely.Caused by Inadequate Documentation Re Posting Requirements.Approval by Fire Protection Required Prior to Release in Future  + (11:25:33, 26 May 2025)
• 05000382/LER-1991-007-01, :on 910510,review of Calculation EC-E89-007 Revealed That Electronic Sensor Current Transformer Rating on 480-volt safety-related Bus Incorrect.Caused by Failure to Verify Amperage Rating.New Bus Installed  + (11:25:38, 26 May 2025)
• 05000334/LER-1991-013, :on 910510,pressurizer Code Safety Valve Lift Setting Discovered Less than Tech Spec Limits.Caused by Failure of Valves to Lift within Setpoint.Beaver Valley Test Procedure Criteria Reevaluated  + (11:25:40, 26 May 2025)