ML19260E287

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Responds to IE Bulletin 79-28.NAMCO Model EA180 Limit Switches Not Used in Instrumentation & Control Equipment in Svc.No Switches on Order
ML19260E287
Person / Time
Site: Yankee Rowe
Issue date: 01/11/1980
From: Kay J
YANKEE ATOMIC ELECTRIC CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
IEB-79-28, NUDOCS 8002150128
Download: ML19260E287 (1)


Text

TM Telephone 6t7 366-90ll rwx 710 390 0739 YANKEE ATOMIC ELECTRIC COMPANY aa11 WYR 60-7 Yau x. h'1

'kyL 20 Turnpike Road Westborough, Massachusetts 01581 es a

s s January 11, 1980 United States Nuclear Regulatory Commission Office of Inspection and Enforcement Region I 631 Park Avenue King of Prussia, Pennsylvania 19406 Attention:

Mr. Boyce H. Grier, Director

References:

(a)

License No. DPR-3 (Docket No. 50-29)

(b) USNRC Letter to YAEC dated December 7, 1979 I&E Bulletin 79-28

Dear Sir:

Subject:

Poasible Malfunction of NAMCO Model EA180 Limit Switches Your letter, Reference (b), addresses a concern of the possible failure / malfunction of NAMCO Model EA180 limit switches manufactured between February and August, 1979.

An investigation by our staff has revealved that the subject limit switches are not used in any 16C equipment presently in service; furthermore, there are no subject switches on order.

We trust you will find this information satisfactory; however, should you desire additional information, feel free to contact us.

Very truly yours, YANKEE ATOMIC ELECTRIC COMPANY

??:

epr J. A. Kay Senior Engineer - Licensing JAK/kaf 8002150 /2. Y

.