ML19345A860

LER 80-063/03L-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

ML19345A860
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: ML19345A844 ML19345A860 ML19345A865
References
LER-80-063-03L, LER-80-63-3L, NUDOCS 8011250341
Download: ML19345A860 (1)

Text

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CONTROL D'Occ L 1 I I 1

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J4 7:e NL POHT D ATE EVINT DESCRIPTICN AtJD PROD AutE CONLECUENCES h

[o l ? ] [ At 1125 on 10/20/80 while performing FNp-1-STP-10.3 (Emernency Core Cooling Valves

[o l1] l Inservice Test) valve 1-CVC-Mov-l'15D (RWST supply to charging pumps suction) would o . l not open f rom the main cont rol bo3rd Tech. Spec.'3.5.2.d requires this valve to.be

, g j [ ope'rable. Tech. Spec. 3.5.2.d *atement requirements were met. llealth'and

[ o J ,, j l Mafety of the public were not a e

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lo !a l I 7 8 9 C

' 5v:TI M CAUS E CAUSE CO'A*. VA4VF CCDE CCOL SUSCODE COMPONENT CODE SUUCDOE SolCOOE 10 I u 1

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9 10 11 12 13 I tt is 2 J1.

, SFOUE Nit AL OC CUR R E s.CE FIEF 0RT , A FIE Vf SIO N ggp EVE NT YF AH H1*OR T t40. CCOE TYPE NO.

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_ 21 2J 1-1 23 10161al 24 1-1 lo 13 I l i. I L-J LO.J 2 t. 2? 28 23 30 31;. 32 ACI'9N FUTUnE (5ffCT SHU T O O /.N ATT ACHM E N T N P 53 D-4 PPlaJE C097_ CCUPONENT '

TAEU4 ACTION ON Pt. AN T M61HUD HOUHS ** St e vi T T E D FChusV9. "LUPPLi464 3 MANUFACTURER Ld@Lr.J@

33 J4 Ld@ 12d@ 31 10 1 010101 In !@ I42n l@ l^1@ 11.1210 10 33 30 40 46 43 44 4 cAUSE SELCinPTION AND CCMECTIVE ACTIONS h it l o j ['u; MoV cl osed l imi t switch contact No. 4 contact arm was out of adlustment thus 18 f1I 1 preventin the closed contact from making up. This prevented the valve open command p- h Llogic from being satisfied. The contact arm was readjusted to its proper operating

[i g , j l position. The valve was returned to service at 2l00 on 10/20/80 following the

[ i 1.s } l successful performance of 7NP-1-STP-10.3. This occurrence in considered to be an 7

as isolated event. L'.

FACitiTY - ME THOD OF S T A I v,  % PCWE R CTHEHSTATUS DiLCCVL H Y DISCOVERY DE".C8ff 8rlON

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