05000348/LER-1980-050-03, /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

/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: 05000348/LER-1980-050, Forwards LER 80-050/03L-0 05000348/LER-1980-050-03, /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
References
LER-80-050-03L, LER-80-50-3L, NUDOCS 8009300577
Download: ML19347A968 (1)

LER-1980-050, /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

Event date:
Report date:
3481980050R03 - NRC Website

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@ 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

I battery charger #4.

(Battery char ter #3 was out of service for maintenance).

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@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 with the charger or the high voltage shutdown relay. The relay was reset and train B l i

, g l was returned to service at 1300 on 8/25/80.

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OF PDCPARER PHONE-8009300