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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

• ENS 40983  +
• 05000249/LER-2001-003  +
• ML121000530  +
• NRC-17-0040, (LER) SER 17-S01-00 for Fermi 2 Regarding Unescorted Access Granted for Individual Subsequent to Being Denied Unescorted Access at Another Nuclear Facility  +
• ML032600872  +
• ML042090246  +
• ML20058K494  +
• 05000285/LER-1991-009, Corrected Ltr Forwarding LER 91-009-00.Memo Stationery Inadvertently Used Instead of Letterhead Stationery for Cover Ltr  +
• ML20086G808  +
• 05000272/LER-1982-015, Forwards LER 82-015/03L-0.Detailed Event Analysis Encl  +
• ML20134B505  +
• ML20196B688  +
• ML20214P007  +
• ML20215B325  +
• ML23271A061  +
• ML23286A306  +
• 05000413/LER-1989-005-01, :on 890227,header B of Nuclear Svc Water (NSW) Sys Automatically Aligned to Standby NSW Pond.Cause Unknown, But Event Possibly Caused by Equipment Malfunction.Work Request Issued to Replace Suspect Relays  +
• 05000352/LER-1987-037, :on 870725,nuclear Steam Supply Shutoff Sys Inboard Isolation Occurred Due to Blown Fuse.Caused by Personnel Error.Fuse Replaced,Isolation Reset & Individual Counseled  +
• 05000414/LER-1986-009-01, :on 860424,steam Generator Level Channel, Which Was Out of Calibr,Not Placed in Tripped Position within Specified Time Frame.Caused by Personnel Error. Shift Supervisor Counseled  +
• 05000461/LER-1986-024, :on 861210,Group I Containment Isolation Signal Generated Resulting in Closure of Main Steam Drain Valves B21-F016 & B21-F019.Caused by Failure of Maint Planners to Review Documents When Preparing Impact Matrix  +
• 05000220/LER-1986-012, :on 860516,both Fire Pumps Taken Out of Svc to Allow Diver to Work in Station Svc Water Intake Tunnel. Telephone Notification to Region I Not Made Until 860517. Personnel Counseled  +
• 05000338/LER-1998-007-01, :on 981015,3B Casing Cooling Pump Failed to Develop Discharge Pressure & Recirculation.Caused by Air Binding.Subject Pump Was Vented of Air,Started & Tested Satisfactorily.With  +
• 05000498/LER-1988-015, :on 880206,two MSIVs Declared Inoperable When Duty Shift Supervisor Learned That Packing Adjustments Performed.Addl Requirements for Containment Isolation Valves Not Carried Out Until 880207  +
• 05000293/LER-1997-007, :on 970401,safeguard Buses Were de-energized Due to Severe Storm.Replacement of Microprocessor Control Units Installed in Voltage Regulating Transformers  +
• 05000304/LER-1996-007-08, :on 960930,TS Action Statement Were Not Performed within Allowable Time Frame as Result of Mgt Deficiency.Lesson Plan Developed & Presented to All Licensed Shift Personnel  +
• 05000498/LER-1993-001, :on 930105,discovered That RCS Loop 3 Outside TS 2.2.1 Range & Loop Declared Inoperable.Caused by Two RCS delta-T Channels Being Inoperable Simultaneously.Loop Restored & Startup Testing Procedure Revised  +
• 05000293/LER-1996-005, :on 960419,automatic Scram Occurred Due to Turbine Vibration During Planned Power Reduction.Turbine Vibration Trip Setting That Initiates Trip of Turbine Due to High Vibration Changed  +
• 05000374/LER-1984-077, :on 841115,primary Containment Vacuum Breaker a Opened Momentarily to Equalize Pressure Between Suppression Pool & Drywell.Caused by Cycling Primary Containment Chillers on & Off.Instruments Recalibr  +
• 05000339/LER-1984-010-01, :on 841101,accumulator Isolation Valves a & B Inadvertently Opened When Breakers Energized.Caused by Solid Protection Sys Slave Relay in Deenergized State.Relay Actuated Into Correct Position  +
• 05000285/LER-1991-012, :on 910620,emergency Diesel Generator Auto Start Occurred Due to Loss of Transformer.Caused by Personnel Error.Relays Labelled for Proper Identification  +
• 05000311/LER-1984-006-01, :on 840318,loss of 2B 4 Kv Vital Bus Occurred While Paralleling Emergency Diesel Generator 2B W/Grid. Caused by Phase Mismatch.All 4 Kv Breakers Racked Out & Inspected  +
• 05000265/LER-1994-011-06, :on 941006,thirty Day Limited Condition of Operation Exceeded for 2B RHR Swp Due to Inadequate Work Planning & Scheduling.Evaluating Inventory of Major Rhrswp Parts  +
• 05000413/LER-1990-031-01, :on 901208,Tech Specs Violated Due to Exceeding 24 H Surveillance Interval for CNOAMP5000.Caused by Mgt Deficiency.Frequency of Daily Tech Spec Re Surveillances Changed to Once Per Shift  +
• 05000269/LER-1993-009-01, :on 930927,determined That Epsl Channel 1 Not Operable Per TS in Past as Result of Design & Installation Deficiencies in Load Shed Circuitry.Wiring Associated w/3TD 10 Amp Dc Fuse Block Reconfigured  +
• 05000271/LER-1990-003, :on 900319,inadvertent Primary Containment Isolation Sys Actuation Occurred.Caused by Lack of Coordination Between Monitor Downscale Setpoint & Monitor Reading.Proper Coordination Established  +
• 05000261/LER-1981-018-03, /03L-0:on 810701,Channel I (PI-474) of a Steam Generator Steam Line Pressure Indicated High Compared to Two Redundant Channels.Caused by Throttled Root Isolation Valve MSV-14.Valve Reopened  +
• ML20033G362  +
• 05000281/LER-1989-007-03, :on 890916,manual Reactor Trip Initiated When Determined That Improper Bank Overlap Existed Between Control Rod Banks a & B.Cause Not Found.Reactor Restarted After Review by Safety & Operating Committee  +
• 05000272/LER-1994-007, :on 940407,automatic Reactor Trip Occurred Due to Personnel Error.C/As:Prt Rupture Disc Replaced & Cw Traveling Screens Repaired & Returned to Svc  +
• 05000316/LER-1992-007-01, :on 920702,reactor Tripped from Turbine Trip Coincident W/Turbine Power Greater than 10%.Caused by Sudden Loss of Main Condenser Vacuum During Diagnostic Testing. Procedure Enhancements Made  +
• 05000316/LER-1991-009-01, :on 911112,ice Condenser Flow Passage Insp Did Not Include Entire Flow Area Assumed in Analyses Presented in Updated Fsar.Caused by Inadequate Definition of TS Insp Requirements.Test Procedures Revised  +
• ML19248D351  +
• 05000413/LER-1987-029, :on 870713,motor Driven Auxiliary Feedwater Pumps Started Automatically Following Main Feedwater Isolation.Caused by Opened Reactor Trip Breaker 1B.Breaker Closed & Main Feedwater Isolation Reset  +
• L-25-128, Application to Revise Technical Specifications to Adopt TST-597, Eliminate LCO 3.0.3 Mode 2 Requirement  +
• TSTF-24-09, Technical Specifications Bases Change for TSTF-597, Revision 0, Eliminate LCO 3.0.3 Mode 2 Requirement  +