ML20082T938

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Potential Deficiency Report Re Possibility of Heat Sinks Becoming Detached from Back of Westinghouse Nlp Printed Circuit Cards.Review Underway.Final Rept Will Be Submitted by 831221
ML20082T938
Person / Time
Site: Vogtle  Southern Nuclear icon.png
Issue date: 11/03/1983
From: Foster D
GEORGIA POWER CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
GN-275, NUDOCS 8312160185
Download: ML20082T938 (1)


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3 3012 A 9 3 7 Georgia Power D. O. Foster the southern etatrc sywem Vice Presidert and General Manager Voqtie Project November 3, 1983 United States Nuclear Regulatory Commission File
X7BG03-M48 Office of Inspection and Enforcement Log:

GN-275 Region II-Suite 3100 101 Marietta Street Atlanta, Georgia 30303

Reference:

VogtlpgElectric Generating Plant - Units 1 and 2 50-4g4 50-425; Westinghouse-NLP Printed Circuit Cards Attention: Mr. Janfeh-T. O'Reilly f

Gentlemen:

On October 4,1983, Mr. C. W. Hayes identified a potential deficiency to Mr. J. Rogge concerning the possibility of heat sinks becoming detached from the back of Westinghouse NLP printed circuit cards. Since these sinks are metallic,the possibility exists that some circuits could be shorted out.

At this time, Georgia Power Company is conducting a review to determine which, if any, cabinets contain these printed circuit cards. Georgia Power Company also intends to conduct an engineering review to ensure possible system interaction effects are also reviewed.

Based upon the completion schedule proposed by the architect / engineer, Georgia Power Company expects to submit a final report to the NRC on this concern by December 21, 1983.

This response contains no proprietary information and may be placed in the NRC Public Document Room upon receipt.

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U. S. Regulatory Commission opl:1CI AL COPY Document Control Desk Washington, D. C.

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R. J. Kelly R. H. Pinson E. D. Groover I

R. E. Conway B. M. Guthrie L. T. Gucwa G. F. Head R. A. Thomas M. Malcom J. T. Beckham, Jr.

J. A. Bailey G. Bockhold D. N. MacLemore

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D. E. Dutton H. H. Gregory, III J. L. Vota W. F. Sanders C. W. Hayes I