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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 43462  +
• 05000389/LER-2001-001  +
• IR 05000338/2007004  +
• IR 05000528/2006008  +
• AEP-NRC-2013-95, Submittal of Turbine Room Sump Ph Lower Limit Exceedance  +
• ML20107D684  +
• IR 05000352/1985037  +
• ML20134K152  +
• ML20199B746  +
• ML20206B003  +
• ML20066D272  +
• IR 05000334/2021001  +
• 05000412/LER-2021-001, Operation Prohibited by Technical Specifications During a Loss of Control Rod Position Indication Even  +
• 05000331/LER-1989-006, :on 890224,isolation of RCIC & on 890302, Isolation of HPCI Occurred.Caused by Problems in Electrical Path from Thermocouples Monitoring Area Temp.Retermination of Broken Thermocouple Wire Before Break  +
• 05000461/LER-1987-057, :on 870929,discovered That 8-h Verification of Offsite Power Breaker Lineups During Diesel Generator Inoperability Missed.Caused by Line Assistant Shift Supervisor Oversight.Supervisor Counseled  +
• 05000368/LER-1986-007, :on 860426,automatic Reactor Trip Occurred Due to Ground Fault Trip of Reactor Coolant Pump Breaker.Maint Check of Reactor Coolant Pump Motor,Power Leads & Breaker Initiated  +
• 05000325/LER-1999-003-01, :on 970724,chlorinator Flange Leak Resulted in Cb Emergency Air Filtration Sys Actuation.Caused by Inadequately Manufactured Gas Inlet Line Spool Piece. Chlorinator Flange Inlet Line Spool Piece 2 Was Replaced  +
• 05000387/LER-1986-021, :on 860524,controlled Shutdown Initiated When All Emergency Svc Water (ESW) Sys Pumps Declared Inoperable. Caused by 860522 Failure of ESW Pump C Due to Severe Cavitation Damage.Pumps Repaired  +
• 05000213/LER-1996-022, :on 960901,RCS Loop Stop Valves Were Opened Without Timely Boron Sample.Caused by Personnel Error. Operations Dept Formed New Procedure Group to Upgrade Operations Procedures  +
• 05000368/LER-1991-012, :on 910416,both Svc Water Loops Declared Inoperable,Due to Clogging of Pump Discharge Strainers. Caused by Breakdown in Implementation of Procedural Control. Strainers Unclogged & Training Performed  +
• 05000287/LER-1984-004-02, :on 840607,w/unit at 20% Power,Turbine Generator/Reactor Anticipatory Trip Occurred.Unit Stabilized at Hot Shutdown Conditions.Cause Unknown.Unit Restarted & Reached 100% Power on 840609  +
• 05000269/LER-1994-003-03, :on 940623,discovered That Failure of an Air Pressure Regulator Resulted in Kh Main Transformer Lockout Relay Actuation.Caused by Design Deficiency.Repaired Affected Air System Components  +
• 05000374/LER-1990-008, :on 900502,ESF Actuation of Control Room B Emergency Ventilation Makeup Fan Occurred.Caused by Procedure Deficiency.Procedure LTS-800-205 Revised  +
• 05000374/LER-1990-008-02, :on 900502,ESF Actuation of Control Room B Emergency Ctk Ventilation Makeup Fan Occurred.Caused by Procedure deficiency.LTS-800-205 & Similar Procedures Will Be Revised  +
• 05000413/LER-1990-020, :on 900324,low Pressure Indication Noted on Cardox Carbon Dioxide Storage Unit & Continuous Fire Watch Not Provided within 1 H.Caused by Personnel Lack of Attention to Detail.Fire Watch Established  +
• 05000295/LER-1990-001-02, :on 900103,RCS Leak of Approx 20 Gpm Developed. on 900104,leak Source Determined to Be Packing Failure on RHR Pump RCS Suction Isolation Valve 1MOV-RH8702.Caused by Failure to Center Valve Stem.Valve Repacked  +
• 05000277/LER-1989-033, :on 891220,full Scram Signal Received When Technician Performed Surveillance on APRM D.Caused by Procedural Deficiencies & Inattention to Detail by Technician.Technician Counseled  +
• 05000261/LER-2009-003, For H.B. Robinson, Unit 2, Regarding Manual Reactor Trip Due to Failure of a Steam Generator Level Module  +
• 05000389/LER-2005-003, Re Personnel Error Caused Partial Loss of Feedwater and Manual Reactor Trip  +
• 05000293/LER-2003-002, From Pilgrim Station Regarding Unplanned Automatic Closing of Main Steam Isolation Valves & Resultant Scram Due to Licensed Operator Error During Startup  +
• 05000296/LER-2002-002, An Unplanned Auto-Start of Two Emergency Diesel Generators Due to Personnel Error During an Equipment Clearance Process  +
• 05000311/LER-1983-031-03, /03L-0:on 830623,spurious Safeguards Equipment Control Sys Actuation Deenergized Various Loads on Vital Bus 2A.Caused by Internal Circuitry Noise.Corrective Action to Be Taken When Investigation Completed  +
• 05000461/LER-1994-006, :on 940607,emergency DG Was Not Loaded to at Least 3869 Kw as Required by TS During Tests.Caused by Personnel Error.Replaced Optical Isolator Power Supply & Calibrated Optical Isolator Loop  +