Pages that link to "Ervin A"

The following pages link to Ervin A:

Displaying 50 items.

• ML19209C234 (← links)
• ML19209B765 (← links)
• ML19209C231 (← links)
• ML19209B762 (← links)
• ML19259B803 (← links)
• ML19259B414 (← links)
• ML19242B441 (← links)
• ML19225D094 (← links)
• ML18024A679 (← links)
• ML19259B802 (← links)
• ML19259B412 (← links)
• ML19242B438 (← links)
• ML19225D095 (← links)
• ML18024A680 (← links)
• ML20062H073 (← links)
• ML20147C128 (← links)
• ML20154L308 (← links)
• ML20154C830 (← links)
• ML20154A012 (← links)
• ML20196C590 (← links)
• ML20206C550 (← links)
• 05000354/LER-1988-014-02, :on 880511,RWCU Loop Isolated on High Flow Differential ESF Signal During Pressurization of Filter/ Demineralizer.Caused by Design & Procedure Deficiencies. RWCU Sys Operation Procedure Revised (← links)
• 05000354/LER-1987-035, :on 870804,standby Liquid Control Sys B Started,Squib Valve Fired & RWCU Isolated.Cause Undetermined.Piping Flushed & Restored to Svc & Squib Valve Replaced & Tested Satisfactory (← links)
• 05000354/LER-1987-036, :on 870804,ventilation Duct Chase Loads from Distribution Panel a de-energized.Root Cause of Occurence Under Investigation.Procedures Will Be Revised as Necessary & Battery Chargers & Inverters Investigated (← links)
• 05000354/LER-1987-033, :on 870730,unanticipated Initiation of Filtration,Recirculation & Ventilation Sys E Recirculation Fan Occurred.Caused by Dirty Contacts in Low Flow Switches of Sys Trains.Contacts cleaned.W/870831 1tr (← links)
• 05000354/LER-1987-018, :on 870224,unanticipated Failure of MSIV to Close on Signal Occurred.Caused by Accidental Intrusion of Foreign Matl.Solenoids in MSIV Pneumatic Valve Operator Replaced & MSIV Inoperability Verified (← links)
• 05000354/LER-1987-031, :on 870714 & 27,filtration,recirculation & Ventilation Sys Auto Initiations Occurred.Caused by Procedural Deficiency.Procedures Revised & Reviewed W/ Appropriate Staff (← links)
• 05000354/LER-1987-032, :on 870729,discrepancies Discovered Between Measured & Indicated Flows for Filtration,Recirculation & Ventilation Sys (FRVS) B.Caused by Incorrect Calibr Procedure.Frvs Recalibr.Procedure Updated (← links)
• 05000354/LER-1987-050, :on 871204,determined Surveillance Missed for MSIV Outboard Steam Sealing Gas Test Line Isolation Valve on 871111 Test.Caused by Personnel Error.Procedure for Tracking Surveillance Testing Reinforced W/Personnel (← links)
• 05000354/LER-1987-047, :on 871010,safety Relief Valve Failed to Close on Signal.Caused by Sand Blasting Grit in Solenoid Valve. Malfunctioning Target Rock Valve Replaced & Solenoids of Other Safety Relief Valves Inspected (← links)
• 05000354/LER-1987-028, :on 870629 & 0701,RWCU Sys Isolation Occurred. Caused by Design Deficiencies.Procedure for Operation of Rwcs Reviewed by Chemistry Dept & Revised to Explicitly Define Valving Sequence (← links)
• 05000354/LER-1987-024, :on 870608,Channel a Primary Containment Isolation Sys Isolation Occurred When Two Functional Tests Being Performed at Same Time.Caused by Procedural Inadequacy.Procedures Revised (← links)
• 05000354/LER-1987-038, :on 870818,failure to Perform Surveillance of Reactor Level Instrumentation within Period Required by Tech Specs Discovered.Caused by Personnel Error.Individual Responsible for Missed Surveillance Counseled (← links)
• 05000354/LER-1987-037, :on 870816,reactor Scram & HPCI Occurred.Caused by Deficient Feedwater Sys Operating Procedure Due to Inadequate Instructions for Removing Reactor Feed Pump Turbine from Svc.Procedure Revised (← links)
• 05000354/LER-1987-004-03, :on 870610,north Plant Vent High Flow Sample Pump Inoperable for More than 72 H.Caused by Equipment Failure.Spare Parts for Equipment Problem on Order & Should Be Installed by 870627 (← links)
• 05000354/LER-1987-020, :on 870421,while Shift Chemistry Technician Attempting to Place RWCU Filter/Demineralizer B in Hold Mode,Steam Leak Isolation Timer Initiated on High Differential Flow.Caused by Personnel Error (← links)
• 05000354/LER-1987-009, :on 870124,cooling Tower Blowdown RMS Sample Pump Froze.Sampling of Radioactive Liquid Effluent Not Initiated Until Tech Spec Action Statement Entered on 870126.Caused by Personnel Error (← links)
• 05000354/LER-1987-007, :on 870123,HPCI Channel a Outboard Steam Supply Valve Isolated & Hpci/Rhr a Area Leak Temp Hi Alarm Activated.Caused by Design Error in Temp Differential.Min Intake Temp Setpoint Increased (← links)
• 05000354/LER-1987-002, :on 870108,control Room Ventilation Sys (CRV) Isolated & Control Room Emergency Filtration Actuated. Caused by Personnel Error.Technician Counseled to Refrain from Accessing Equipment W/O Authorization (← links)
• 05000354/LER-1987-001, :on 870103 & 04,grab Samples from Containment Atmosphere Not Taken as Required by Tech Specs.Caused by Personnel Error.Radiation Protection Technician Counseled on Necessity to Comply W/Tech Specs (← links)
• 05000354/LER-1986-094, :on 861210,inadvertent Isolation of RWCU Sys Occurred.Caused by Air Bubbles in Differential Flow Transmitter in Channel A.Steam Leak Isolation Sys Will Be Monitored to Identify Entrapped Air Problems (← links)
• 05000354/LER-1986-091, :on 861206,safety/relief Valve P Opened for 45 During Test & Trip Point Calibr.Caused by Operator Error in Setting Valve Switch.Operator Counseled (← links)
• 05000354/LER-1986-090, :on 861128,min Required Radiation Monitors Not in Svc When Operational Condition Changed.Caused by Personnel Miscommunication & Input Error to Work Order Tracking Sys.Procedures to Be Reviewed W/Staff (← links)
• 05000354/LER-1988-015, :on 880526,unanticipated Loss of Second Control Room Emergency Filtration Chiller Occurred.Caused by Component Design Deficiency.Operation Procedure Reviewed & Design Mod to Chiller Installed (← links)
• 05000354/LER-1988-012, :on 880430,reactor Manually Scrammed Following Circulating Water Sys (CWS) Infeeds Trip.Caused by Failure in CWS Multiplex (Mux) Sys.Replacement of CWS Mux Sys W/Hard Wired Sys Planned & Enhanced Maint Developed (← links)
• 05000354/LER-1988-011, :on 880426,discovered That Seismically Unqualified Tubing Spans Installed on Two Local Instrument Racks.Caused by Personnel Faulty Preparation of Design Change Which Installed Tubing W/O Requirements (← links)
• 05000354/LER-1988-010, :on 880414,two HPCI Oil Control Valves Discovered Not to Be in Required Position for Operability. Caused by Unauthorized Repositioning of Valves.Valves Restored to Required Position & Signs Posted (← links)
• 05000354/LER-1988-009-01, :on 880413,reported That Contrary to Tech Spec Requirement,Two 4-h Flow Rate Estimates Not Made During South Plant Vent Monitor Outage.Caused by Operator Failure to Initiate & Complete Daily Log (← links)
• 05000354/LER-1987-036-01, :on 870804,channel a Class 1E 125 Volt DC Loads from Distribution on Panel a de-energized During Operational Condition 1.Root Cause Not Determined.Breakers for Affected Sys Opened & Reset.Procedures Revised (← links)
• 05000354/LER-1988-008-01, :on 880401,caulking Matl Discovered Around Reactor Bldg Blowout Panels.Caused by Installation of Caulking W/O Design Change Authorization & Personnel Error. Unauthorized Caulking Removed (← links)