ML20009C653

LER 81-098/03L-0:on 810521,routine Surveillance Revealed That Periodic Channel Check of Condenser Discharge Header Isolation Valve Low Flow Interlock Was Omitted from Preventive Maint Computer Data Base.Cause Unknown

ML20009C653
Person / Time
Site:	McGuire
Issue date:	07/10/1981
From:	Nardoci P DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C651	List: ML20009C650 ML20009C653
References
LER-81-098-03L, LER-81-98-3L, NUDOCS 8107210319
Download: ML20009C653 (1)

Text

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[TTT1lOn June 11, 1981 whileinMode5@,routinesurveillancediscoveredthatthe l T3TTl I ceriodic check of the condenser discharce header isolation valve's low flow 1 io4.i l interlock was omitt I from the preventive maintenance (PM) computer data base.l Io!sii The valve was reouired to be retested on May 21, 1981, and by missing the re- 1 i s .. i ! test the plant entered a degragd, mode of operation per Tech. Spec. 4.3.3.8 (4p)

I o ,71 I which is reportable per Tech. Spec. 6.9.1.13B, since the interlock was actually operable the entire time it was declared inoperable, the health and satety ot F3TTlIcho nuh14e unre nne iffoccod. I

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ii,o1lThe periodic channel check of the isolation valve's low flow interlock was ]

i,eiiiomitted from the PM computer data base, the reason for which is unk. town. After gI discovery of the omission, the isolation valve's low flow interlock was ,

i,,3i (immediately tested and found operable. The computer program was corrected and;

i. uiI reviewed for further omissions.

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.. .......... Phillip B. Xardoci PwcN a- '

(704) 373-7432 8107210319 810710 PDR ADOCK 05000369 S. __ _ _ _PDR_ _

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