05000317/LER-1979-068-03, /03L-0:on 791127,during Normal Steady State Operation,Emergency Diesel Generator Placed Out of Svc. Caused by Need to Replace Hoffman Air Vent Float Valve Which Failed Due to Normal Wear

/03L-0:on 791127,during Normal Steady State Operation,Emergency Diesel Generator Placed Out of Svc. Caused by Need to Replace Hoffman Air Vent Float Valve Which Failed Due to Normal Wear

ML19260C137
Person / Time
Site:	Calvert Cliffs
Issue date:	12/13/1979
From:	Huseby D, Lagiewski J BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19260C128	List: 05000317/LER-1979-068, Forwards LER 79-068/03L-0 05000317/LER-1979-068-03, /03L-0:on 791127,during Normal Steady State Operation,Emergency Diesel Generator Placed Out of Svc. Caused by Need to Replace Hoffman Air Vent Float Valve Which Failed Due to Normal Wear
References
LER-79-068-03L, LER-79-68-3L, NUDOCS 7912180619
Download: ML19260C137 (2)

LER-1979-068, /03L-0:on 791127,during Normal Steady State Operation,Emergency Diesel Generator Placed Out of Svc. Caused by Need to Replace Hoffman Air Vent Float Valve Which Failed Due to Normal Wear

Event date:
Report date:
3171979068R03 - NRC Website

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'O Eva 4Y osscmericN V.O FRC%3tE CO* SEQUE*4CES h ITf fl l Curing nornal ste3dy state cparation #12 En arcency Diesel Generatne'as I

loTil LJ aced out of service at 1020 to reolace an autenatic vant valy_e_on_.the

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D-[.0 [ service uatt>r return line. The re.~ainino diesels and noner scurces were G[JB [ verified operable per Technical Specification 3 4.1.1.

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Lea'< age through this valve cannot in any way degrade service of the Emeroency Diesel Generator or the Service 1oter Systen, but to replace the valve the Diesel Cooling '.!ater Supply cust be isolated rendering the en;ir.e inoperable.

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