Pages that link to "NRC Form 386K"
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The following pages link to NRC Form 386K:
Displayed 9 items.
- 05000328/LER-1989-006-03, :on 890505,determined That Unit Operated in Noncompliance W/Limiting Condition for Operation Since 890411 & Reactor Trip Setpoints Nonconservative.Caused by Detectors Being Placed in Withdrawn Position.W/Undated Ltr (← links)
- 05000341/LER-1989-005-01, :on 890208,determined That Inflatable Seals for Railroad Airlock Doors Could Be Affected Since Seals Supplied from non-Q Air Supply.Caused by Design Deficiency. Rev to Surveillance Requirement Expected (← links)
- 05000338/LER-1987-016-01, :on 870814,determined That Redundant Butterfly Valves in Turbine Overspeed Protection Sys Would Not Have Properly Isolated Steam Between 870629-870710.Caused by Inadequate Maint Procedures.Procedures Revised (← links)
- 05000424/LER-1989-016-01, :on 890708,reactor Manually Tripped Following Spurious Closure of Main Feedwater Isolation Valve.Exact Cause unknown.Multi-channel Recorder Temporarily Placed on Both Control Circuitry Trains for 1HV-5230 (← links)
- 05000260/LER-1987-004-03, :on 870624,RWCU Isolated Unexpectedly.Caused by Spurious Signal from Temp Indicating Switch (Tis) Monitoring Water Temp at non-regenerative HX Outlet.Tis Recalibr.W/ (← links)
- 05000395/LER-1987-012, :on 870609,plant Operated W/Two Feedwater Isolation Valves Inoperable.Caused by Decrease in Local Area Temp & Defective Pressure Transducer.Hydraulic Pressure Restored & Valves Declared Operable (← links)
- 05000266/LER-1999-007, :on 990831,cable Tray Fire Stops Do Not Meet App R Exemption Requirements Occurred.Caused by Improper Installation of Approved Plant Mod.New Mod Has Been Initiated to Provide Three H Rated Fire Barrier (← links)
- 05000280/LER-1986-020, :on 860609,during Environ Qualification Insp, Limitorque Motor Valve Operator Wiring Found Questionable. Unidentifiable Wiring Introduced Through Plant Field Changes.Wiring Replaced (← links)
- 05000352/LER-1985-002, :on 850104,spurious Isolation of Reactor Water Cleanup Sys Occurred.Caused by High Differential Flow Between Sys Inlet & Outlet While Valving Filter/ Demineralizer B Into Svc.Isolation Reset (← links)