ML20010G959

LER 81-137/03L-0:on 810810,train B of Control Room Area Ventilation Sys Failed to Start & Declared Inoperable.Cause Unknown.Maint Completed Checkout of Sys Oil Levels & Pressures

ML20010G959
Person / Time
Site:	McGuire
Issue date:	09/09/1981
From:	Nardoci P DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010G954	List: ML20010G953 ML20010G959
References
LER-81-137-03L, LER-81-137-3L, NUDOCS 8109220714
Download: ML20010G959 (1)

Text

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EVENT OE$cAtmCN AMC pgCS A4L1 OCNSECUENCES Q 1 a 2 ! IWhile in Mode 2, Train "B" of the control room area ventilation system failed ;

,,,,,,to start. Train "B" was declared inoperable and an action statement initiated ,

i o . . i I per T.S.3.7.6 which is reportable pursuant to T.S. 6.9.1.13(b). Since the re- 9 g ,,,,dundant Train "A" of the control room area ventilation system was available and

,2.,, loperating during the time Train "B" would not start, r*..e health and safety of ,

,,,,,gthe public were not affected. ,

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4,,a,lThere is no apparent reason why train "B" would not start. After the system ,

,, ,,,, failed to start, the preoperational checkout was verified, but it still failed,

,,,,,jto start. After checking the oil levels on the system and finding them suffi ,

,, ,cient, another attempt to start was made which was successful, even though no ,

,, , ,; corrective action had been taken. Maintenance completed a checkout of the systpm

? s e oil levels and pressures and und everything in order. as

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