ML19208A757

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LER 79-066/03L-0:on 790809,containment Isolation Valve 2CV-2201-2 Would Not Fully Close After Routine Draining of Reactor Drain Tank.Caused by Foreign Matl Damaging Seats & Ball,Resulting in Valve Leaking Through.Valve Cleaned
ML19208A757
Person / Time
Site: Arkansas Nuclear Entergy icon.png
Issue date: 08/31/1979
From: Shively C
ARKANSAS POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19208A735 List:
References
LER-79-066-03L, LER-79-66-3L, NUDOCS 7909170420
Download: ML19208A757 (1)


Text

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4 NRC FOHM 366 U. S NUCLE AR REGUL ATORY COMMISSION (7 77)

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(d b> E VENT DATE 74 15 NF PO84 7 O ATE B0 7 8 60 8' DOCKET NuvBER EVENT DESCRIPTION AND PROS ABLE CONSEQUENCES h o 2 1During Mode 1 operation, following routine draining operation of the i o 3 i Reactor Drain Tank, containment isolation valve, 2CV-2201-2, would not i o . Ifully close. The affected penetration was isolated within one hour by i e s ideactivating 2CV-2292-1 in the closed position, meeting the requirements ;

o n iof Action Statement T.S.3.6.3.lb. Other occurrences on containment i o , Ipenetrations are 50-368/79-063,79-061, 79-060,79-044, & 78-19.

o e r Reportable per T.S.6.9.1.96. -

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