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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 40224  +
• 05000346/LER-1978-060-31, /03L-0:on 780528,decay Heat Pump 1-2 Power Source Lost.Caused by Operator Accidentally Tripping Buses D1 & F1. Buses re-energized & Pump Returned to Normal Power Supply. Operator Instructed to Be More Careful  +
• ML19257B506  +
• IR 05000260/2004004  +
• ML021580303  +
• ML20086M934  +
• ML20101H725  +
• ML20141J198  +
• ML20140C326  +
• 05000414/LER-1989-015, :on 890609,operating Main Feedwater Pump Tripped on Low Suction Pressure Initiating Auxiliary Feedwater Pump Automatic Start & Turbine Trip.Caused by Equipment Malfunction  +
• 05000341/LER-1987-017, :on 870513,south Reactor Feed Pump Turbine (Srfpt) Tripped Due to Apparent Srfpt High Pressure Casing Drain Valve Being Closed During Startup.Caused by Inadequate Procedure.Procedure Revised  +
• 05000341/LER-1986-029, :on 860823 & 26,inboard Containment Isolation Valve in Steam Supply Line to HPCI Sys Isolated Due to Transmitter Downscale Failure.Cause Undetermined.Units Sent to Rosemount,Inc for Evaluation  +
• 05000458/LER-1997-010-01, :on 971111,high Pressure Core Spray Minimum Flow Valve Was Discovered in Closed Position.Caused by Air in Transmitter Sensing Lines.Sensing Lines from HPCS Pipe to Flow Transmitter Vented at High Point Vents to Remove Air  +
• 05000354/LER-1988-023, :on 880908,RWCU Pump a Seal Failure & Isolation Equipment Failure Occurred.Local Insp Determined That Steam Leaking from Pump Seal.Caused by Equipment Failure.Failed RWCU Pump Seal Replaced  +
• 05000414/LER-1988-020, :on 880528,manual Reactor Trip Initiated by Control Room Personnel to Prevent Automatic Challenge of Reactor Protection Sys on Steam Generator 2C lo-lo Level. Caused by Malfunction of Converters  +
• 05000325/LER-1998-006-01, :on 980815,ESF Actuations Due to Main Stack Wide Range Gas Monitor Failure Was Noted.Caused by end-of- Life Failure of Low Range Detector.Vendor Tested Components Removed from Wrgm.With  +
• 05000414/LER-1988-020-01, :on 880528,manual Reactor Trip Initiated While in Process of Unisolating Main Feedwater Control Valves. Caused by Malfunction of Electric to Pneumatic Converter. Repairs of Valves 2CF46 & 2CF48 Planned  +
• 05000334/LER-1988-009, :on 880611,reactor Trip & Feedwater Isolation Occurred.Cause Under Investigation.Special Operating Order Issued to Prevent Configuration.Affected Steam Dump Valves Isolated  +
• 05000339/LER-1991-011-02, :on 911103,plant Shutdown Required by Technical Specifications Due to RHR Valve Packing Failure.Caused by Failure of Packing RHR Sys Inlet Isolation Motor Operated Valve.Valve Packing Repaired  +
• 05000353/LER-1991-013, :on 910508,trains of SGTS Declared Operable & Tech Spec Action 3.0.3 Exited.Caused by Cognitive Personnel Error.Blocking Permits Reviewed,Operations Personnel Counseled & Existing Guidance Reviewed  +
• 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  +
• 05000461/LER-1993-002, :on 930930,blown Fuse Due to Degraded Components within Inverter.Replaced Inverter Capacitors  +
• 05000293/LER-1993-018, :on 930721,planned Shutdown Initiated Due to Unidentified Leakage of 3 Gpm.On 930722,planned Shutdown Became TS Required Shutdown When Insp Revealed Leakage to Be Rc Pressure Boundary Leakage.Leakage Repaired  +
• 05000423/LER-1990-009, :on 900309,automatic Turbine Trip W/Subsequent Reactor Trip Occurred Due to High Stator Cooling Water Temp. Caused by Failure of Mechanical Linkage on Fisher & Portor Controller.Controller Replaced W/Spare  +
• 05000254/LER-1990-006-01, :on 900313,tornado Warning for Rock Island County Received on Weather Radio.Station Entered Procedure Qoa 010-10.One Person Substained Minor Injuries & Some Site Damage Sustained.Notification to Be Evaluated  +
• 05000369/LER-1981-105, Forwards LER 81-105/01T-0.Detailed Event Analysis Encl  +
• PNO-IV-80-023, on 800624,all Offsite Power to Both Units Was Lost When Two Lines Were Tripped by Dispatcher.Third Line Was Out of Svc for Maint  +
• 05000266/LER-1979-021-01, /01T-0:on 791211,during Normal Operation, Increasing Steam Generator Primary to Secondary Leakage Noted.Caused by Leaking Tube in Steam Generator B.Plugs Welded & Repaired  +
• 05000281/LER-1988-021-01, :on 880908,required Test Frequency for B Low Head Safety Injection Pump Exceeded.Caused by Inability of Operator to Obtain Required Vibration Test W/Test Equipment Used.Formal Training of Equipment Administered  +
• IR 05000400/1993301  +
• 05000397/LER-1990-014, :on 900703,HPCS Sys Pump Suction Switchover from Condensate Storage Tanks to Suppression Pool Occurred Due to Suppression Pool High Water Level Condition.Caused by Procedural Inadequacy.Procedures Modified  +
• 05000338/LER-2014-002, Re Inadvertent Loss of Vital Instrumentation During Maintenance Due to Personnel Error  +
• 05000272/LER-2009-001, Chillers Inoperability Exceeds TS Allowed Outage Time  +
• 05000458/LER-1997-010, :on 971111,high Pressure Core Spray Minimum Flow Valve Discovered to Be in Closed Position Due to Air in Transmitter Sensing Lines.Hpcs Pump Was Run & No Abnormalities Were Noted  +
• 05000498/LER-1997-009, :on 970902,MSSVs 7430A & 7430B Found W/Lift Settings Outside TS Allowable Tolerance as Listed.Caused by Alteration of Nozzle & Disc Oxide Layers.Lift Setting of out-of-tolerance Valves Will Be Adjusted  +
• 05000352/LER-1987-035, :on 870715,unexpected Actuation of Nssss Occurred.Caused by Personnel Error Since Scope of Work Performed & Procedures Followed Not Specific.Preventive Maint Program Revised  +