ML19319B970

Advises of Potential Failure in 400 a Stab on Westinghouse Motor Control Ctrs.Info Re Retrofit to Be Provided

ML19319B970
Person / Time
Site:	Davis Besse
Issue date:	02/23/1977
From:	Kennedy G WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 8001290703
Download: ML19319B970 (2)

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Westinghouse ,

G=8CmDe Electric Corporation m we:r at street Chcagairros 6Ct32

- February 23, 1977 U.S. Nuclear Regulatory Commission .$$ -3,d6 799 Roosevelt Road Glen Ellyn, Illinois 60137 Attn: Mr. James G. Keppler, Regional Director Region 3

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Directorate of Regulatory Operations

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This is to advise you of a potential failure that may exist on Westinghouse !!ctor Control Centers supplied to Toledo Edison Co.

at the Besse-Davis Station. The potential problem is in a 400 Amp stab. The description and location of these stabs are as follows:

Westinghouse Item MCC Unit Unit Name-General Order li No. No. Location Description plate TI-81500 27 E24 1F A-205CC5 PRZR 2F HTR PNL 2M 28 F24 iM 2F 2M 29 E34 1F 2F 2M 30 F34 1F 2F ,

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37 E12A

• SH PRZR HTS CHI 42 F11A

• 3G CTMT LTG DISC SW 44 F12A

• SH PRZR HTS CH2

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( 49 E11C

• 4H CT!!T LTG -

DISC SW

• - Denotes Essential Motor Control Centers

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24 FEB 2 81977 "Y

800129070 8 [

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Mr. James G. Kepples . February 23, 1977

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A modified stab design that will resolve the problem and assure public health and safety has been compiered and a retrofit program to correct this deficiency is under way. Toledo Edison will be contacted directly concerning this deficiency and the retrofit

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Sincerely, WESTINGHOUSE ELECTRIC CORPORATION

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G.P. Kennedy 4 Advisory Engineer a

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