ML20080N189

Forwards LERs 84-001-00,84-002-00 & 84-003-00

ML20080N189
Person / Time
Site:	Surry
Issue date:	02/13/1984
From:	Joshua Wilson VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20080N192	List: 05000281/LER-1984-001-02, :on 840113,manual Trip Initiated Upon Closure of Main Steam Trip Valve A.Unwarranted Valve Closure Due to Hairline Crack in Air Line Pipe Nipple of Valve Actuator. Possibly Caused by Mechanical Fatigue.Nipple Replaced 05000281/LER-1984-002-01, :on 840114,at 2% Power Following 840113 Trip, During Replacement of Open Coil in Reactor Trip Relay, Reactor Trip Breaker a Deenergized When First Coil Lead Removed,Resulting in Reactor Trip.Caused by Personnel Error 05000281/LER-1984-003, :on 840114,while at 23% Power,Feed Flow to Steam Generator a Increased to Full Flow.Valve Opened & Steam Generator a High Level Trip Initiated Turbine Trip, Tripping Reactor.Caused by Air Supply Piping Damage ML20080N189
References
84-006, 84-6, NUDOCS 8402220146
Download: ML20080N189 (1)