ML20073T100

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Clarifies 830331 Incident Involving Problem W/Train B Reactor Trip Breaker.Problem Resulted in Failure of Breaker to Trip Upon Undervoltage
ML20073T100
Person / Time
Site: McGuire 
Issue date: 05/05/1983
From: Tucker H
DUKE POWER CO.
To: Harold Denton
Office of Nuclear Reactor Regulation
References
NUDOCS 8305100327
Download: ML20073T100 (1)


Text

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(704) 373-4538 May 5, 1983 mm.,,

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Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C.

20555 Attention:

Ms. E. G. Adensam, Chief Licensing Branch No. 4 Re: McGuire Nuclear Station Docket Nos. 50-369, 50-370

Dear Mr. Denton:

Our letter of May 3, 1983 identified an event which occurred on March 31, 1983 involving a problem with the McGuire Unit 1 train B reactor trip breaker. This letter is to clarify that the problem resulted in a failure of the breaker to trip upon undervoltage.

Please advise if there are additional questions.

Very truly yours, f

Hal B. Tucker REH:j fw cc:

Mr. James P. O'Reilly, Regional Administrator Mr. W. T. Orders U. S. Nuclear Regulatory Commission NRC Resident Inspector Region II McGuire Nuclear Station 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30303 i

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