ML20090D076

AO 75-29:on 751027,torus to Drywell Vacuum Breaker Alarm Sys II Failed to Annunciate When Vacuum Breaker V-26-8 Opened.Caused by Component Failure.Corrective Action Under Investigation

ML20090D076
Person / Time
Site:	Oyster Creek
Issue date:	10/28/1975
From:	Carroll J, Edelhauser J JERSEY CENTRAL POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20090D063	List: ML20090D060 ML20090D076
References
A-75-29, A0-75-29, NUDOCS 8302240048
Download: ML20090D076 (3)

Text

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Suhregrent stperations of v-26-3 shwi alarm systen If to be i

operabic.

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CURRESUE:

The safety sIgnificants of this eventis considered to be sim.i-af.

l 1he alarn sept:ms for the torus to dmell vacuus bresters.stv: to

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insme resur.: tereaker availability W. tM event of ss.accMent c:n- - k i

dition. Thn failure of systcc II to be operable for v-26-4 g

l resulted only in loss of redundancy for the alam ftmetio:s. thd v

v-26-E been open during opuation systes: I would have prriorred f the wereenry class function, j j I 8302240048 751106 PDR ADOCK 05000 s .t 4

n l s i i \\_/ Nu I l ,l giomr4 Occurrence 'f t port No. 50-2151/75/29 Page 2 i I J a. Y f I t RRECTIVE TION: Corrective action is presently under inwestigation. ILUPE QUE: l i i 1 f { !?. am. Date: October 28, 1975 epared b : - r-j T 9 J. Edelhaus.cr - l Assoc. Engineer [ , i t I t'

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k i' \\. } \\ ! i. .s l 1 5 c TQ. James P. O'Re1337 9 Directorate of Regulatory Operations Region I 631 Park Avenue King of Prussia, Pennsylvania 19406 i i. 84 6 s FPSM. Jersey Central. Power E Light Co=pany i' Oyster Creek Jtucicar Generating Station Docket #5D-219 Forkul River. New Jersey 08731 i i I 1 1 .j j i

SUBJECT:

Abnormal Occurrencq, Report No. 50-219/75/ 29 l 'Ihe following is a prelininary report being submitted in compliance with the Technical ~ Specifications, paragraph 6.6.2. t Preliminary Approval: i l L f / wYb M.766'd . T. Carrull, Jr. Date l I CC: Mr. A. Glasbusso I - - - ~. --}}