ML19343B499

Part 21 Rept Re Improper Operation of E-max Isolator Part Number 1750115.Single Channel Isolators 1750141 & 1750115 Will Be Changed Out W/Part 1750146

ML19343B499
Person / Time
Site:	Mcguire, McGuire
Issue date:	11/18/1980
From:	Parker W DUKE POWER CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
REF-PT21-80-311-000 SD-369-80-17, SD-370-80-12, NUDOCS 8012240083
Download: ML19343B499 (3)

Text

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Kr. James P. O'Reilly, Director U. S.1:uclear Regulatory Co inaion ,_

r.egien II 101 fiariotta Street, Suite 3100 Aticnta, Georgia 30303 Ec: !!cCuire Nuclear Station --

Units 1 cud 2 Dochet 7:os. 50-369 and 50-370 D2cr lir. O'Reilly: - --

Plesse find cttached a supple = ental response to Significant Deficiency Report SD 369/30-17, 370/00-12.

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Very truly yours, vn h V , e k'illiam O. Parker, Jr.

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IPO:ces Attachm:nt ,-

cc: Director Office of In=pection & Enforcement --

U. S. !!ucicer Reguintory Corr..ic= ion .

L'ashington, ~ D. C. 20555 Q,Ql l

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OFFICIAL COPY

DUKE Pok'ER COMPM.T MCCU1RE NUCLEAR STATION Re: Report Number SD 369/80-17, 370/80-12 Supplemental Response Date: November 18. 1980 yacility: !!cGuire Euclear Station. Units I and 2 Significant Deficiency Report SD 369/80-17, 370/80-12 operction of E-nax eptical isolator parc number 175C141. addressed the improper It has recently boca deteruined that E-::x isolator part number 175C115 is cubject to the c re nalfunction.

The single channel isolators,175c115 and 175C141, vill be changed out with icolator part number 175C146. The replacement isolators have adequate current capacity to correct the deficiency. The cchedules for completing the change out of cil isolators are as stated in the original report.

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