ML20023D633

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Second Interim Deficiency Rept Re Power Transistor Heat Sink Separation from Transistors in Westinghouse 7300 Series Process Instrumentation & Control Sys Cabinets.Initially Reported on 830318.Evaluation Rept Expected by 830630
ML20023D633
Person / Time
Site: Seabrook  NextEra Energy icon.png
Issue date: 05/20/1983
From: Devincentis J
PUBLIC SERVICE CO. OF NEW HAMPSHIRE, YANKEE ATOMIC ELECTRIC CO.
To: Starostecki R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
10CFR-050.55E, 10CFR-50.55E, SBN-511, NUDOCS 8305250244
Download: ML20023D633 (1)


Text

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l 1671 Wonseser nood Pub 5c Service of New Hampshire From3aoham. Ma**ochames 01701 l

(617) - 872-8100 May 20, 1983 S BN-511 T.F. Q2.2.2 United States Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, PA 19406 Attention:

Mr. Richard W. Starostecki, Director Division of Resident and Project Inspection

References:

(a) Construction Permit CPPR-135 and CPPR-136, Docket Nos. 50-443 and 50-444 (b) Telecon of February 16, 1983, A. L. Legendre (YAEC) to J. Wiggins (NRC Region I)

(c) PSNH Letter, dated March 18,1983, " Interim 10CFR50.55(e)

Report; Westinghouse 7300 Series Process I&C Systems Cabinets," J. DeVincentis to R. W. Starostecki

Subject:

Interim 10CFR50.55(e) Report; Westinghouse 7300 Series Process I&C Systems Cabinets

Dear Sir:

In Reference (c), we filed an interim 10CFR50.55(e) report regarding power transistor heat sink separation from transistors in the Westinghouse 7300 Series Process I&C Systems Cabinets.

A detailed engineering evaluation of required corrective action in the Westinghouse 7300 Series Process I&C Systems Cabinets is underway. We currently plan to report the results of this evaluation by June 30, 1983.

This letter is being filed pursuant to the interim reporting provision of 10CFR50.55(e)(3).

Very truly yours, Sgy40 YANKEE ATOMIC ELECTRIC COMPANY f

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, nti}s J.Degna' M110/pf Project Manager cc: Atomic Safety and Licensing Board Service List Director, Office of Inspection and Enforcement United States Nuclear Regulatory Commission Washington, D.C. 20555 1000 Elm St.. P.O. Box 330. Monchester. NH O3105 Telephone (603)669-4000 TWX 7102207595 8

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