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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

• 05000249/LER-2004-003  +
• 05000335/LER-2001-004  +
• ML083190104  +
• ML20040H574  +
• ML043020589  +
• ML20077P181  +
• ML20141E426  +
• IR 05000352/1985037  +
• IR 05000255/1985021  +
• ML20133G419  +
• ML20149H182  +
• U-601430, Responds to NRC Re Violations Noted in Insp Rept 50-461/89-020.Corrective Actions:Procedure 8117.05 Revised to Address Area Radiation Monitor Interlock on Polar Crane & to Include Actions to Be Taken in Event of Alarm  +
• 2CAN109504, Monthly Operating Rept for Sept 1995 for ANO Unit 2  +
• ML20058K863  +
• 05000368/LER-1989-016-01, :on 890903 & 18,continuous Fire Watch to Monitor Nonfunctional Fire Barriers Removed Due to High Airborne Activity.Caused by Failure to Establish Contingencies.Tech Spec Change Issued  +
• 05000267/LER-1987-026, :on 871111,loss of Instrument Bus 2 Resulted in Scram Actuations.Caused by Low Trip Setting on Backup Power Supply Breaker.Transformer in Battery Charger 1B Replaced & Overcurrent Trip Setting Raised  +
• 05000277/LER-1987-016-01, :on 870820,containment Isolations Occurred Due to Startup Source Trip.Caused by Inadequate Concern for Potential Electrical Hazard by Maint Craft Supervision. Supervisors Involved Counseled  +
• 05000293/LER-1987-003, :on 870211,written Notification Received from Wyle Labs That Two of Four Target Rock (Model 7567F) two- Stage Main Relief Valves Did Not Lift within Tech Spec Requirements.Cause Under Investigation  +
• 05000413/LER-1988-047, :on 871221,reactor Trip Signal & Feedwater Isolation (Fi) Signal Occurred & on 871224,FI/turbine Trip Signal Actuated.Caused by Design Deficiency & Personnel Error,Respectively.Procedure Involved Revised  +
• 05000333/LER-1997-011-01, :on 971024,invalid ESF Actuation & Failure to Perform TS Required Actions Occurred While Performing Required Actions While Troubleshooting Activities.Restored HPCI Sys to Normal IAW Plant Procedures  +
• 05000413/LER-1987-047, :on 871221,reactor Trip Signal Occurred Due to Steam Generator lo-lo Level.Cause Unknown.Operator Update Issued to Assure All Licensed Operators Aware of Procedure for Equalizing Pressure Across MSIVs  +
• 05000413/LER-1985-071, :on 851220,reactor Trip Occurred.Caused by Equipment Malfunction.Work Request Initiated to Investigate & Repair Steam Generator Feedwater Control Valve 1CF28  +
• 05000270/LER-1985-004-04, :on 850422,reactor Trip Occurred on Loss of Main Feedwater.Caused by Short Circuit in Terminal Block on Transformer 2T,resulting in Loss of Motor Control Ctr.Block Repaired  +
• 05000334/LER-1991-019-01, :on 910618,determined That Weld Exams for First 10-yr Inservice Insp Interval Exceeded.On 910704,leaking Thermocouple Conoseal Discovered.Caused by Failure to Include Welds on Drawings.All Piping Reviewed  +
• 05000373/LER-1985-030-01, :on 850325,both Ammonia Detectors for Train a Control Room/Auxiliary Electrical Equipment Room HVAC Sys Alarmed While Facility in Cold Shutdown.Caused by Loss of Power to Vc/Ve Sys.Alarms & Dampers Reset  +
• 05000498/LER-1992-003-01, :on 920314,reactor Trip Occurred from Momentary False Reactor Coolant Low Flow Trip Signal.Caused by Failure to Follow Procedures.Shift & Unit Supervisors Briefed. Reactor Trip Prevention Policy Established  +
• 05000414/LER-1992-002-01, :on 920115,unexpected ESF Actuation Occurred. Cause Unknown.Recorder Installed to Capture Event Should It Recur While in Steam Pressure Mode  +
• 05000352/LER-1991-020-01, :on 910813,two Similar ESF Actuation Events Occurred After Reactor Water Level Indicating Switch Tripped Twice within Same Day.Cause of First Event Unknown & Second Event Caused by Personnel Error  +
• 05000334/LER-1990-018-01, :on 901211,ESF Actuation - Automatic Start of Standby River Water Pump Occurred During Performance of Surveillance Test.Caused by Operator Error.Pump Shut Down & Operator Counseled  +
• 05000277/LER-1990-035, :on 901115,discovered That Multiple Safety Sys Could Be Inoperable as Result of 4 Kv Emergency Bus Undervoltage Relays Outside Acceptable Calibr Limits.Caused by Inadequate Design.Relays Modified  +
• 05000293/LER-1993-022, :on 930910,simultaneous Loss of Preferred Offsite Power & Automatic Scram Resulting from Load Rejection Occurred.Caused by Load Rejection.Switchyard Walked Down for Evidence of Damage  +
• PLA-8058, Annual Radiological Environmental Operating Report (PLA-8058)  +
• 05000346/LER-1979-110-03, /03L-0:on 791112,while Testing HPI Pump 1-1 in Mode 5,pump Failed to Start.Caused by Improperly Terminated Lug in Breaker Control Wiring.Lead Properly Terminated & Reinstalled  +
• 05000397/LER-1994-014, :on 940706,ESF Actuation Occurred Due to Lineup Error.Caused by Noncompliance W/Testing Procedures. Improper Lineup Was Corrected  +
• 05000265/LER-2014-002, Regarding Cable Tray Fire Caused by Non-Conforming Cable Routing  +
• 05000237/LER-2004-003-01, (Supplemental) for Dresden Nuclear Power Station, Units 2 and 3 Scram Due to Loss of Offsite Power and Subsequent Inoperability of the Standby Gas Treatment System for Units 2 and 3  +
• ML19263C226  +
• ML20040G333  +
• 05000270/LER-1985-004, :on 850422,reactor Trip Occurred on Loss of Main Feedwater.Caused by Loss of Motor Control Ctrs 2XC & 2XB Due to Two Grounded Terminal Boards.Grounded Terminal Boards Replaced  +
• 05000346/LER-1981-037-03, RCS Saturation Margin Meters & Auxiliary Feedwater Flow Indication 1 Lost.Makeup Pump 1-1 Tripped.Caused by Mechanical Shock to Ith Relay  +