Pages that link to "05000305/LER-1983-007, Forwards LER 83-007/01T-0.Detailed Event Analysis Submitted"

The following pages link to 05000305/LER-1983-007, Forwards LER 83-007/01T-0.Detailed Event Analysis Submitted:

Displayed 41 items.

• 05000305/LER-1983-005, Forwards Updated LER 83-005/03X-1 ‎ (← links)
• ML20073F471 (redirect page) ‎ (← links)
• 05000305/LER-1983-007 (redirect page) ‎ (← links)
• 05000305/LER-1983-008, Forwards LER 83-008/03L-0 ‎ (← links)
• 05000305/LER-1983-006, Forwards LER 83-006/03L-0 ‎ (← links)
• 05000305/LER-1983-033-03, /03L-0:on 831205,motor Operated Isolation Valve SI-2A in Boric Acid Suction Line to Safety Injection Pump Failed to Open During Monthly Surveillance Test.Caused by Broken Finger in Auxiliary Contact Block ‎ (← links)
• 05000305/LER-1983-018-03, /03L-0:on 830915,bonnet Set Screws on Valve MS-100A Failed to Close.Caused by Loose Electrical Insulating Matl.Matl & Contact Cleaned ‎ (← links)
• 05000305/LER-1983-019-03, /03L-0:on 830916,component Cooling Water Pump 1A Taken Out of Svc on 3 Separate Occasions to Perform Corrective Maint on Inboard Bearing Oil Seal Leak.Caused by Misalignment of Motor to Pump.Pump Realigned ‎ (← links)
• 05000305/LER-1983-035-03, /03L-0:on 831210,RPI Drifted Downwards When Voltage Regulator Failed.Caused by Low Voltage Output Due to Tarnished Contact Point in Voltage Regulator.Voltage Adjust Pot Wiped & Voltage Readjusted ‎ (← links)
• 05000305/LER-1983-034-03, /03L-0:on 831206,containment Fan Coil Unit 1D Removed from Svc to Repair Svc Water Leaks.Caused by Sand & Water Erosion of Return Bends in Svc Water Cooling Coils. Affected Bends Replaced ‎ (← links)
• 05000305/LER-1983-030-03, /03L-0:on 831117,sampling Pump for Containment Gaseous & Particulate Radiation Monitor R-11 Failed to Operate.Caused by Bare Wires Shorting Out Paper Drive Fast Speed Motor.Fast & Slow Speed Motors Replaced ‎ (← links)
• 05000305/LER-1983-031-03, /03L-0:on 831121,during Full Power Operation,Irpi Channel for Rod J-10 Removed from Svc for Maint.Caused by Remote Indicator Span Drifting High.Indicator Span Recalibr ‎ (← links)
• 05000305/LER-1983-032-03, /03L-0:on 831201,containment Spray Pump Breaker 1B Failed to Close When Requested During Monthly Pump & Valve Surveillance Test.Cause Unknown.Pump Monitored ‎ (← links)
• 05000305/LER-1983-029-03, /03L-0:on 831111,auxiliary Feedwater Pump 1A Placed in Pullout for Maint Work on Discharge Flow Control Valve Which Would Not Open Greater than 90%.Event Placed Plant in Degraded Mode.Vol Booster Recalibr ‎ (← links)
• 05000305/LER-1983-027-03, Cooling Water HX 1A Removed from Svc to Repair Leak.Caused by Sand Erosion.Line Patch Welded & Tested.Hx Returned to Svc ‎ (← links)
• 05000305/LER-1983-025-03, /03L-0:on 831025,during Full Power Operation,Svc Water Pump 1A2 Removed from Svc to Perform Maint on Lube Water Line Flow Indicator.Caused by Frozen Check Flapper on Indicator Due to Crud Buildup ‎ (← links)
• 05000305/LER-1983-024-03, /03L-0:on 831020,during Full Power Operation, Technical Review of Maint Work Requests Disclosed That Svc Water Pump 1B2 Removed from Svc on 830914 for Corrective Maint.Limiting Condition Reportable ‎ (← links)
• 05000305/LER-1983-028-03, /03L-0:on 831028,charging Pump 1B Removed from Svc & Isolated Due to Hairline Crack Discovered in Discharge Head.Caused by Matl Fatigue at Socket Weld Due to Vibration. Piping Cut Out.New Section Welded in Place ‎ (← links)
• 05000305/LER-1983-026-03, /03L-0:on 831025,while Performing Monthly Pump & Valve Surveillance Test,Status Light on RHR Pump 1A Failed to Light When Pump Started.Caused by Failure of Stationary Auxiliary Switch to Fully Close ‎ (← links)
• 05000305/LER-1983-022-03, /03L-0:on 831012,train B Isolation Valve SI-208 on Safety Injection Pump Recirculation Line Deenergized in Open Position.Caused by Routine Maint Work.Supervisor Made Aware of Tech Spec Violation ‎ (← links)
• 05000305/LER-1983-023-03, /03L-0:on 831013,shield Bldg Vent Sys Failed to Switch to Recirculation Mode.Caused by Failed Static Pressure Controller & Leaking Hydraulic Actuator.Controller & Actuator Replaced ‎ (← links)
• 05000305/LER-1983-021-03, /03L-0:on 831018,svc Water Pump 1A1 Taken Out of Svc to Perform Maint.Caused by Maint Work Request Due to Svc Water Strainer 1A1 Not Operating in Auto.Pump Tested Operable & Returned to Svc ‎ (← links)
• 05000305/LER-1983-020-03, /03L-0:on 831002,345 Kv Transmission Line R-304 from N Appleton Tripped Due to Failed Dead End Insulator. Cause Undeterminable.Line Repaired ‎ (← links)
• 05000305/LER-1983-038-03, /03L-0:on 831229,maint Procedure to Replace Relay in Reactor Protective Sys Rack 133 Caused Inadvertent Start of Auxiliary Feedwater Pump.Procedure Generated as Result of Work Request ‎ (← links)
• 05000305/LER-1983-036-03, /03L-0:on 831213,shield Bldg Ventilation Fan 1A Failed to Start During Monthly Surveillance Test.Caused by Procedural Error.Charcoal Filter Heat Detector Test Procedure Revised ‎ (← links)
• 05000305/LER-1983-037-03, /03L-0:on 831213,during Full Power,Svc Water Pump 1A2 Taken Out of Svc.Caused by Packing Leak on Svc Water Strainer.Strainer Repacked & Pump Tested ‎ (← links)
• 05000305/LER-1983-016-03, /03L-0:on 830713,filter Assembly Heater Failed to Energize.Caused by Blown Fuse in Control Circuit.Fuse Replaced ‎ (← links)
• 05000305/LER-1983-005-03, During Surveillance Test on Diesel Generator 1B,svc Water Outlet Cv (SW-301B) from Diesel Oil Cooler Failed to Open Fully When Diesel Started. Caused by Erosion of Ball,Causing Sticking.Valve Replaced ‎ (← links)
• 05000305/LER-1983-007-01, /01T-0:on 830308,after Completing Containment Vent During Full Power Operation,Rm 11/12 Sample Point Not Switched from Vent to Containment Position.Caused by Operator Error.Sample Point Switched to Containment ‎ (← links)
• 05000305/LER-1983-008-03, /03L-0:on 830310,several Transmitters Found Out of Spec Which Would Cause Safety Injection Actuation Signal to Occur Later than Tech Spec Requirement.Caused by Transmitter Drift.Transmitter Recalibr ‎ (← links)
• 05000305/LER-1983-006-03, /03L-0:on 830221,ICS Sys Train B Inadvertently Activated When Technician Depressed Test Lightbulb in Preparation for Performing Safeguards Logic Test.Action Resulted in Decreased Tank Level.Procedure Revised ‎ (← links)
• 05000305/LER-1983-001-01, Electrician Performing Corrective Maint Pulled Fuse to de-energize SV33379 Leaving CV31394 Caustic Additive to Containment Spray Sys Isolation Valve in Open Position.Design Change Initiated ‎ (← links)
• 05000305/LER-1983-013-03, /03L-0:on 830520,App J Type B & C Local Leak Rate Testing Identified Six Containment Isolation Valves W/ Unacceptable as-found Leakage.Cause Not Stated.Valves Repaired & Tested Satisfactorily ‎ (← links)
• 05000305/LER-1983-012-03, /03L-0:on 830420,containment Vent Activity Monitor (R-21) Discovered Out of Svc.Caused by Inadequacy in Administrative & Procedural Controls.Refueling Operations Suspended Per Tech Specs.R-21 Returned to Svc ‎ (← links)
• 05000305/LER-1983-003-03, /03L-0:on 830201,containment Air Sampling Line Feeding R11 & R12 Manually Isolated Due to Failure of Sample Isolation Valves to Cycle from Control Room.Caused by Solenoid Valve Stuck in Open Position ‎ (← links)
• 05000305/LER-1983-004-03, /03L-0:on 830204,water Found Dripping Into Controller for Valve AFW-10 During Investigation of Battery Ground Fault Condition on Battery 1A.Caused by Wet Rags Stuffed in Newly Drilled Holes in Concrete Wall ‎ (← links)
• 05000305/LER-1983-002-03, /03L-0:on 830126,during Full Power,Diesel Generator Removed from Svc to Repair Leaks in Cooling Sys Hx.Caused by Corrosion on Svc Water Side of Cooling Water Hx.Two Tubes Plugged & Four Tube Sheet Faces Repaired ‎ (← links)
• 05000305/LER-1983-011-03, /03L-0:on 830319,turbine-driven Auxiliary Feedwater Pump Exceeded Surveillance Procedural Inservice Insp Bearing Temp Action Level & Valves AFW10A & AFW10B Failed to Close Fully.Caused by Restrictive Procedures ‎ (← links)
• 05000305/LER-1983-001-03, /03L-0:on 830105,during Full Power Operation, Electrician Performing Maint Pulled Fuse to de-energize SV33379 Which Allowed Caustic Additive to Drain from Tank to Suction of Containment Spray Pumps ‎ (← links)
• 05000305/LER-1983-014-03, /03L-0:on 830603,while Performing Monthly RHR Pump & Valve Surveillance Test,Containment Sump B Isolation Valve SI-350B Would Not Cycle Closed.Caused by Mechanical Interlock Sticking in Open Position ‎ (← links)
• 05000305/LER-1983-015-03, /03L-0:on 830606,during Valve Timing Test for Td Auxiliary Feedwater Pump,Valve Failed to Electrically Open. Caused by Faulty Torque Switch & Maladjusted Tripper Cam. Valve Operator Rebuilt & Cam Reset ‎ (← links)