ML20084E409

AO 73-4:on 730612,safety Injection Pump 1C Failed to Start Manually from Bus 16 When Control Switch Closed at Control Board.Caused by Problem W/Cell Switch in Bus 16 Breaker. Switch Adjusted & Pump Started Satisfactorily

ML20084E409
Person / Time
Site:	Ginna
Issue date:	06/13/1973
From:	Platt C ROCHESTER GAS & ELECTRIC CORP.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20084E391	List: ML20084E388 ML20084E409
References
AO-73-4, NUDOCS 8304150054
Download: ML20084E409 (2)

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\ ROCHESTER GA5 AND ELECTRIC CORPORAYl0N e 69 EAST AVENUE, ROCllESTER, fl.Y.1849 Tit t e evDs t f AEt e E ON US D46 e7700 1

TELEC0lT Ginna Station June 13, 1973 Mr. James P. O'Reilly, Director U.S.A.E.C.

Directorate of Regulatory Operationc Region I 970 Broad St.

Newark, N.J. 07102 RE: Abnormal Occurrenco 73-4, Ginna Station.

Failure of 1C Snicty Injection Puep (SIP) to start manually from Bus 16 when control switch was closed at the Control Board on June 12, 1973. ,

bear Mr. O'Reilly:

1 m This is a repeat of the abnormal occurrence (73-3) thet. was reported to you on

. June 11, 1973.

After further rnaintenance work una performed on the IC SIP Breaker frota Bus 16 s on June 12, 1973, the Ercaker failed to operato properly when it was being re-l turned to service. The IC SIP remained operable from Bus 14 throughout the maintenance on Bus.16 breaker.

3 Further investigation indicated that the problem was in the cell switch for the

) Bus 16 breaker. 'Ihc ec11 switch was adjusted and the IC sip was started satis-factorily 3 t.imes.

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The PORC tact and they considne the problem resolved, however, they recomend that further investigation be undo with Westinghouse on the proper application of thin. type cell switch. .

Very truly yours, L. css. . E. pW Charica E. Platt i: Superintendent 1

CEP:jmb ,

Dintrib_ution:

s Mr J. F. O' Leary, AEC Washington y G. J. Svarthout, RG&H L. S.' Long, RG6E j ,

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F.E. Drake, RG&E J. E. Arthur, RG6E t i K.W. Amish, Lj RG&H R. R. Koprowski, RG&E \ g/

L.D. White, Jr. , RG60 y s 77 r' t-A u O h4 PDR

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11. D. Thornburg, oArc Licensee: Rochester Gas & Electric Corn.

Docket No.: 50-244 g~3 .: ~~

Chief, FS&EB '

Abnormal Occurrence: 73_4' I f*i TO (Name and unit) int?IALs REMAAKs d; ,

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HQ(h) f)s i I DR Central Files (1)

Regulatory Standards cArc The attached report from the subject licensee is 3)

{?-,; i Dir. of Licensing (13 '

forwarded in accordance with RO Manunt Chanter 1000 10 pisaieans unet) ImlaALs REMARns

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h . [f , The action taken by the licensee is considered y~' cut appropriato. Followup will be performed during u

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the next inspection a.s appropriate. Conies of

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a nou (Nam. and uniti ntuanxs

, the report have been forwarded to the PDR, Local

, /, ' PDR, NSIC, DTIE and State representatives. The 6-

' R. T. Carlson, RO:I licensco will submit a 10 day written report to l PHOMF IA CATE

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i 6/14/73 Licensing.

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