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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 43088  +
• U-601589, Special Rept:On 891211,failure of Diesel Generator DG1A to Start Noted.Caused by Failure of K19 Starting Relay.Diesel Generator Governor & Defective Speed Sensing Relay Replaced  +
• ML20040A217  +
• ML040490523  +
• ML20086D834  +
• ML20107D724  +
• ML20147C865  +
• ML20135H293  +
• ML20198Q439  +
• ML20216D350  +
• ML20211H412  +
• U-601931, Special Rept:On 920109,diesel Generator 1A Tripped Due to Reverse Power.Caused by Improper Manual Loading Following Synchronization W/Offsite Power.Dg 1A Manually Started to Demonstrate Operability Per Surveillance Procedure 9080.01  +
• 05000254/LER-1987-025-03, :on 871125,control Room Habitability Design Basis Assumption Error Occurred Re Filter Efficiencies. Caused by Analysis Deficiency.Review Performed for Filters in Question  +
• 05000414/LER-1986-016, :on 860521,main Feedwater Isolation Occurred. Caused by Insufficient Info Provided by Mfg to Allow Adequate Initial Calibr of Feedwater Control Sys.Sys Tuned & Startup & Shutdown Procedures Revised  +
• 05000331/LER-1986-024, :on 861121,HPCI Sys Isolation Valve Closed Due to Signal from HPCI Steam Line High Flow Pressure Differential Indicating Switch PDIS2245.Caused by Moisture Shorting Out Terminals in Switch  +
• 05000414/LER-1986-016-01, :on 860521,main Feedwater Isolation Occurred Due to hi-hi Level in Steam Generator.Cause of Automatic Overfeeding Undetermined.Flow Restored to Steam Generators  +
• 05000334/LER-1999-004-01, :on 990317,inadequate pre-fire Plan Procedure Guidance Resulted in Potential Damage to Charging/Hhsi Pumps.Caused by Inadequate Consideration of Required Operator Actions.Procedure Revised.With  +
• 05000412/LER-1999-002-01, :on 990305,discovered Potential Damage to Charging HHSI Pumps Due to Inadequate pre-fire Plan Procedure Guidance.Caused by Inadequate Analysis in 1987. Procedures Revised Addressing Subj Issue.With  +
• 05000346/LER-2020-002, Manual Reactor Trip on Trip of Reactor Coolant Pumps Due to Loss of 13.8 Kv Bus Potential Transformer Fuse  +
• 05000219/LER-1988-008, :on 880414,reactor Bldg Isolation & Standby Gas Treatment Sys Automatic Initiation Occurred.Caused by Personnel Error.Emergency Operating Procedures Entered for Secondary Containment Control  +
• 05000254/LER-1987-025-01, :on 871125,design Basis Assumption Used in Control Room Habitability Study in Conflict W/Tech Spec. Caused by Analysis Deficiency.Review Performed for Latest Efficiency Tests or Filters in Question  +
• 05000334/LER-1985-003, :on 850116,feeder Breaker 3-3 Opened from Vital Bus III to Portion of Protection Channel Iii.Reactor Tripped.Cause Unknown.Breaker 3-3 Removed & Replaced W/Tested Spare  +
• 05000352/LER-1996-003, :on 960204,ESFA Occurred Due to Loss of Power to Rps/Ups Power Distribution Panel Caused by Spurious Actuation of Underfrequency Relay.Replaced Relay  +
• 05000382/LER-1991-023, :on 911220,CC Valve Discovered Out of Position Due to Inadequate Position Indicator Labeling.Addl Operator Training on Proper Use of OP-100-009 Valves & Breakers Will Be Provided  +
• 05000352/LER-1991-009, :on 910412,reactor Scram Resulted from Spurious Loss of Dc Electrical Power Supply to Main Turbine EHC Sys Due to Personnel Error.Copper Links Replaced W/Hard Wire Connectors  +
• 05000334/LER-1995-005, :on 950420,TS 3.0.3 Entry Occurred Due to Isolation of CR Emergency Breathing Air Pressurization Sys. Revised Procedures to Isolate Crebaps Headers During CR Radiation Monitor Testing  +
• 05000498/LER-1995-001, :on 950124,experienced Reactor Trip Due to low- Low SG Level on 1C SG After Loss of MFW Pump 13.Caused by Failed Thrust Bearing Wear Probe Assembly.Thrust Bearing Wear Probe Assembly on MFW Pump 13 Replaced  +
• 05000346/LER-1981-018-03, /03L-0:on 810322 & 0401,chlorine Detector Ae 5358B Tripped.First Trip Probably Caused by Fouled Detector. Detector Cleaned.Detector & Circuit Board Replaced After Second Failure  +
• 05000272/LER-1979-021-03, /03L-0 on 790302:overhead Annuciators in Control Room Alarmed,Indicating Power Range Nuclear Instrumentation Channel Failure.Caused by Failure of N41 Channel High Voltage Power Supply.Failed Power Supply Replaced  +
• 05000260/LER-1999-001-05, :on 990515,automatic Reactor Scram Occurred Due to Tt.Caused by Failure of Mechanical Trip Cylinder to Latch When Hydraulically Reset.Operations Crew Stabilized Reactor Following Scram.With  +
• 05000296/LER-1991-002-04, :on 910405,unplanned ESF Features Actuation Occurred Following de-energization of Reactor Protection Sys Bus.Cause Unknown.Restored Pcis,Sgts & CR Emergency Ventilation Sys  +
• 05000397/LER-1989-010-01, :on 890501,experienced Momentary Loss of 120-volt Ac Power to Bus & on 890503,bus Suffered Sustained Loss of 120-volt Ac Power.Caused by Nameplate Falling Into Reactor Protection Sys Bus a Supply Circuitry  +
• 05000397/LER-1989-010, :on 890501,power Lost to Reactor Protection Sys 120-volt Instrument Bus a Twice,Causing ESF Actuations. Caused by Metal Nameplate Falling Into Power Supply Circuitry.Nameplates Removed from Panels  +
• 05000338/LER-2016-001, Regarding Emergency Diesel Generators Automatic Start Due to Loss of Power to C Reserve Station Service Transformer  +
• ML15224A269  +
• ML20024F106  +
• 05000277/LER-1987-012-01, :on 870710,lightning Strike on 220 Kv Line Caused Unit 3 Startup Feed Breaker to Trip Resulting in Primary Containment Isolation Actuations for Several Unit 2 & 3 Sys.All Isolations Reset  +