05000348/LER-1981-058-03, /03L-0:on 810813,containment Radioactivity Monitoring Sys R11 & R12 Were de-energized.Caused by Failure of 600/208-volt Transformer.Transformer replaced.R11 & R12 re-energized

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/03L-0:on 810813,containment Radioactivity Monitoring Sys R11 & R12 Were de-energized.Caused by Failure of 600/208-volt Transformer.Transformer replaced.R11 & R12 re-energized
ML20010G782
Person / Time
Site: Farley 
Issue date: 09/09/1981
From: Hairston W
ALABAMA POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010G766 List:
References
LER-81-058-03L, LER-81-58-3L, NUDOCS 8109220520
Download: ML20010G782 (1)
v • d • e


LER-1981-058, /03L-0:on 810813,containment Radioactivity Monitoring Sys R11 & R12 Were de-energized.Caused by Failure of 600/208-volt Transformer.Transformer replaced.R11 & R12 re-energized
Event date:
Report date:
3481981058R03 - NRC Website
v • d • e

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$3 EVENT CESCRIPTICN AND PROB ABLE CONSECUENCT' h lo42l [At 1138 on 8/13/81, the containment acmosphere radioactivity monitoring systems (R-11 and l i g i;; lR-12) were de-energized due to the failure of the 600/208 volt transformer (FD-J6) l 10 6 41 l which supplies the power to R11 and 'Il2.

Tech. Spec. 3.4.6.1 requires R-11 and R-12 g

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} energized and returned to service at 1345 on 8-13-81. A design rec.uest has been initiatcd,

, ;3; ;to evaluate the loading on this transformer.

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