ML20086B164

AO 50-267/74-01,short on 15-volt Side of Power Supplies 21285 & 21286 Determined Potential Lead to Loss of Both Power Supplies on Circulator Auxiliary Control Panel I-29. Caused by Inadequate Design.Three Wires Removed

ML20086B164
Person / Time
Site:	Fort Saint Vrain
Issue date:	11/19/1974
From:	Brey H PUBLIC SERVICE CO. OF COLORADO
To:	Anthony Giambusso US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20086B156	List: ML20086B154 ML20086B164
References
AO-50-267-74-01, AO-50-267-74-1, NUDOCS 8311170086
Download: ML20086B164 (3)

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November 19, 1974 r

Mr. Angelo Giambusso Deputy Directer for Reactor Projects Directorate of Licensing USAEC Washington, D. C.

20545 REF: Facility Operating License No. DPR-34

-Docket No. 50-267

Dear Mr. Giambusso:

I Enclosed please find a copy of Unusual Ewnt Report, No. 50-267/74/1, submitted per the require =ents of the Technical Specifications.

Very truly ydurs, k-

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H. Larry Brey Superintendent-Operations Fort St. Vrain Nuclear Gener_ ting Station HLB:11 8311170056 751218 PDR ADOCK 05000267 S

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