ML20086J403

Telecopy AO 74-50:on 741004,cleanup Sys Dc Isolation Valve V-16-14 Failed to Close Electrically.Cause Under Investigation.Arc Horn on Contactor 2Bc Replaced

ML20086J403
Person / Time
Site:	Peach Bottom, Oyster Creek, 05000000
Issue date:	10/04/1974
From:	Carroll J JERSEY CENTRAL POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20086J393	List: ML20086J391 ML20086J395 ML20086J403 ML20086J425
References
AO-74-50, NUDOCS 8401230642
Download: ML20086J403 (3)

Text

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The follo..ing is a prolinint .y, report being subitted-in complicnce with the T[chnicci fpecificaticas, Paragrcph.6.6.2, Prolininary Approval:

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w. rsu,,m r . s e e e t..s mu..au i,ra cicam:p cyctta for enintenr.nce, it ::p found t' int cicauo systen DC I?,ch.tica ve.1ve V-16-1/ Enikd to clo:o cicctrically.

Cicerxp cys:c.: AC isalation valvo V-lG-1 hcd previously cicsed - -

norr.:Ily. U :ttrie:1 Dcpntrent perrennel tcro tht-n dicpatched to the rotor ccntrol c nter for V-75-1%. Invc:tig:tica revealed that the c.rc horn c.a cor.t ctor 23 c m bent cnd rcotr:ining the roving ccr. tat cr in it.e, closi:3 :.atica. Lhcn tho arc i:t.rn ::c:;

tapped, tho :.:cving contac:cr mm fred cr.d V.15-14 stb. .iuently closed. ~

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/J:/. LYSIS OF 'Ihe sciety ricalfier.nce of this event is the icss of cie:nvp

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