05000369/LER-1981-137-03, /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

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


LER-1981-137, /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
Event date:
Report date:
3691981137R03 - NRC Website

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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

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

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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

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