ML19312D246

From kanterella
Jump to navigation Jump to search
Responds to IE Bulletin 79-28, Possible Malfunction of Namco Model EA180 Limit Switches at Elevated Temps. No Namco EA180 stem-mounted Limit Switches Utilized by Util Were Code Dated Between Feb-Aug 1979
ML19312D246
Person / Time
Site: Beaver Valley
Issue date: 01/29/1980
From: Woolever E
DUQUESNE LIGHT CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
IEB-79-28, NUDOCS 8003240054
Download: ML19312D246 (1)


Text

<%

b de 7T

~

4 M

9i2)4ss-coco 43s sixm Avenu.

2DLC-3397 Pittsburgh, Pennsylvania 1$219 January 29, 1980 United States Nuclear Regulatory Commission Region I.

631 Park Avenue King of Prussia, PA 19406 ATTENTION:

Mr. Boyce H. Grier Director Gentlemen:

Subject:

Beaver Valley Power Station Unit No. 2 Docket No. 50-412 IE Bulletin 79-28 Possible Malfunction of NAMCO Model EA180 Limit Switches at E'.evated Temperatures We have reviewed IE Bulletin 79-28 which was sub-mitted with your letter dated December 7,1979 and identifies potential problems with NAMCO Model EA180 Stem-mounted limit switches.

Several NAMCO EA180 Stem-mounted limit switches were furnished for this project; however, none of these switches was date coded between February 1979 and August 1979, which was the stated problem period.

DUQUESNE LIGHT COMPANY S

By:

,-;,g e

E.VJ. Woolever Vice President cc:

Messrs. V. Stello (15)

W. G. Mcdonald 80032 4 60N