ML19347A968

LER 80-050/03L-0:on 800825,svc Water Train B Dc Distribution Sys Declared Inoperable When No Output Indication from Battery Charger 4 Was Observed.Caused by Actuation of High Voltage Shutdown Relay.Reset & Returned to Svc

ML19347A968
Person / Time
Site:	Farley
Issue date:	09/24/1980
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19347A964	List: ML19347A963 ML19347A968
References
LER-80-050-03L, LER-80-50-3L, NUDOCS 8009300577
Download: ML19347A968 (1)

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REPORT D ATE EVENT DESCRIPTION AND PROSA LE CONSEOuENCES h ,

@ l At 1215 on 8/25/80. service water train B D.C. distribution system was declared I a a i inoperable when it was observed that the control room had no output indication from I o 4 I battery charger #4. (Battery char ter #3 was out of service for maintenance). Tech. l

@l Spec. 3.8.2.5 requires both service water D.C. distribution systems to be operable. ]

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CAUSE DESCRIPTION AND CC,"MECTIVE ACTIONS h i o l Service Water train B D.C. distribution svstem teas inoperable due to the actuatio t i Q l of charger number 4 high voltage shutdown relay. No apparent problem could be found I i I with the charger or the high voltage shutdown relay. The relay was reset and train B l

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