05000348/LER-1980-067-03, /03L-0:on 801020,svc Water a Train Battery Sys Was Declared Inoperable.Caused by Close Terminal Post Proximity & Poor Terminal Post Seal Design.Battery Was Cleaned & Placed on Charge

/03L-0:on 801020,svc Water a Train Battery Sys Was Declared Inoperable.Caused by Close Terminal Post Proximity & Poor Terminal Post Seal Design.Battery Was Cleaned & Placed on Charge

ML19345A865
Person / Time
Site:	Farley
Issue date:	11/20/1980
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19345A845	List: 05000348/LER-1980-063-03, /03L-0:on 801020,while Performing Emergency Core Cooling Valves Inservice Test,Valve 1-CVC-MOV-115D Would Not Open from Main Control Board.Caused by Contact Arm 4 Being Out of Adjustment.Contact Arm Was Readjusted 05000348/LER-1980-067-03, /03L-0:on 801020,svc Water a Train Battery Sys Was Declared Inoperable.Caused by Close Terminal Post Proximity & Poor Terminal Post Seal Design.Battery Was Cleaned & Placed on Charge ML19345A844
References
LER-80-067-03L, LER-80-67-3L, NUDOCS 8011250347
Download: ML19345A865 (2)

LER-1980-067, /03L-0:on 801020,svc Water a Train Battery Sys Was Declared Inoperable.Caused by Close Terminal Post Proximity & Poor Terminal Post Seal Design.Battery Was Cleaned & Placed on Charge

Event date:
Report date:
3481980067R03 - NRC Website

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6J LVL?eTOATL 74 7b itLPcHT DATE 60 tvtNr orscmPTies ANo rnca Antt con;tcutNCCO h [o j ) l At 0915 on 10/21/80 the servi ce wat er (S.h'. ) A train batterv system was declared

[ o l 3 [ [ f noperable when it failed to meet'the acceptance criteria of FNP l-STP-606.2.

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3.8.2.5, in part, requires the S.W. building, A train battery system to be gaj.,gl operable.

Tech. Spec. 3.8.2.5 action statement requirements were net.

The batteries g [were returned to service at 1143 on 10/21/80, following, corrective action and ggg7)lnuccessful t" sting.

Thd 11eal th and Saf( ty of the public were not affected.

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40 44 42 43 44 cAun ocsco:" TION AND COWL [CTIVE ACTICNS h (i ( o l l The low cell specific eravity was emised bv close terrinal nost proximity and poor [ijtj [terminaa post neal design which allowed an acid residue to readily forn berwoon the j [ terminal posts thereby shunting the charning current.

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g j l placed on charge and the specific gravity returned to an acceptable' level.

Replacemen g.j l hatteries with improved post seal desiRn have been ordered and the expedited (cont.)

i 8 9 F AOt tT V UCTHOD OF t 1 A l u*.

% ROM it OTHf ft *;TA TUS Dt;CCVtHY DISCOVERY DESCGIP TIC'J l1 j s l y@ [_1_ l 0 l 0 lh NA l

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Cause Description and Corrective Actions expected delivery date ~ is December 20, 1980. A similar occurrence was reported in LER80-056-03L-0.

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