ML19350E610

LER 81-051/03L-0:on 810511,inner Airlock Door Seals Would Not Seal During Airlock Type C Penetration Test.Caused by Worn O-ring.O-ring Replaced & Greased & Door Tested on 810512

ML19350E610
Person / Time
Site:	Beaver Valley
Issue date:	06/16/1981
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19350E604	List: ML19350E603 ML19350E608 ML19350E610 ML19350E614
References
LER-81-051-03L, LER-81-51-3L, NUDOCS 8106230342
Download: ML19350E610 (2)

Text

U.S.NUCt. EAR CEGULATORY COMMISSION Nac son u aos .

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, LICENSEE EVENT REPORT (PLEAsa palNT OR TYPE ALL REQUIRED INPORMATION!

-j CONTROL SLOCK: l l l l l l l@

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y DOOKET NvMegn 48 69 EVENT DATE 74 73 R EPoRT DATE $0 I 4 60 el EvENTassCRirTroN AND PRC5ABLECONSEQUENCES h it I 1012 6 l On 5/11/81 at 100% power while performing the airlock Type C penetration test, i

g l was found after repeated tries that the inner airlock door seals would not, in 1

Io!Ai I fact, seal. The outer door tested satisfactorily and there were no safety I

iois1 1 considerations.

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22 24 ,S se CAUSE DESCRIPTION AND CCARECT1VE ACTIONS The 0-ring was replaced and  ;

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o;l The cause of the airlock leakage was a worn 0-ring.

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,, ,,,; greased. The airlock door then tested satisfactorily and was declared operable at g 0112 hours0.0013 days <br />0.0311 hours <br />1.851852e-4 weeks <br />4.2616e-5 months <br /> on 5/12/81. I l

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' Attachment To LER 81-51/03L-.

. Beaver Valley Power Station

.Duquesne Light Company Docket No. 50-334 No further information'is available or needed to. satisfy the reporting requirement.

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