ML19320A875

LER 80-040/03L-0:on 800605,during Normal Shutdown Operations in Mode 3,emergency Feedwater Supply Valve 2CV-1075 Failed to Open on Command.Caused by Loose Connection on Valve Operator Motor Lead.Connection Cleaned & Tightened

ML19320A875
Person / Time
Site:	Arkansas Nuclear
Issue date:	07/02/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19320A874	List: ML19320A873 ML19320A875
References
LER-80-040-03L, LER-80-40-3L, NUDOCS 8007080154
Download: ML19320A875 (1)

Text

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Z LL_J@l015 p l0101316 J3_Q0695 1015 l 810 q)l0 9 10 2 18 10 aol @ to EVENT D ATE 78 75 p f ,084 T D A T E 7 60 41 Doca E T huwS E m EVENT DESCRIPTION AND PROS ABLE CONSEQUENCES h Io121l Durina nomal shutdown operations. Mode 3, Emeroency Feedwater Supply 1 ioi2i t Valve, 2CV-1075, failed to open on command when auxiliary feedwater was 1 1o1 1I initiated. The EFW pump, 2P7B, feed supply to Steam Generator, 2E24B, I ieisji was declared inoperable. EFW Supply Valves, 2CV-1076 & 2CV-1039, were i

[o is i i opened and Steam Generator, 2E248, was fed utilizino EFW pump, 2P7A. No 1

[6Tr} l similar occurrences. Reportable per T.S. 6.9.1.9.b. i ionit I

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[L_g I Cause of occurrence was identified to be a loose connection on the valve i (1 i, j i operator motor lead (internal wiring). The loose connection was cleaned i g l and tightened. All associated electrical connections were verified accepy-I 1,1 I able. The valve was declared operable, meeting Action Statement i

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' ' ' io u ...J o NAVE OF PREPARER ChriS N. ShiVely ,, , 501/968-2519 8007080154