ML19249B524

Forwards LERs 79-060/03L-0,79-061/03L-0 & 79-062/03L-0

ML19249B524
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/29/1979
From:	Trimble D ARKANSAS POWER & LIGHT CO.
To:	Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19249B525	List: 05000368/LER-1979-060-03, /03L-0:on 790802,failure of Reactor Drain Tank 2T68 Discharge Reactor Bldg Penetration to Close from Control Signal.Caused by Crystallization of Boron in Vent on Valve Operator Piston.Valve Cleaned & Returned to Svc 05000368/LER-1979-061-03, /03L-0:on 790804,failure of Low Pressure Nitrogen Supply in Reactor Bldg Penetration,Outside Isolation Valve, to Close on Control Signal.Caused by Limit Setpoint Drift. Limit Adjusted & Valve Returned to Svc 05000368/LER-1979-062-03, /03L-0:on 790804,failure of Full Length Control Element Assembly 39 to Move.Caused by Failed Control Element Assembly Enable Card.Card Replaced & Assembly Declared Operable within 1-h of Failure ML19249B524
References
2-089-17, 2-89-17, NUDOCS 7909040513
Download: ML19249B524 (1)