ML20009D946

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Submits Third Interim Response to IE Bulletin 80-20 Re Failure of Westinghouse W-2 Control Switches.Work Continuing W/Westinghouse on Resolution of Control Switches. GE Collecting Requested Info.Final Rept Ready by 810814
ML20009D946
Person / Time
Site: Hartsville, Phipps Bend  Tennessee Valley Authority icon.png
Issue date: 06/15/1981
From: Mills L
TENNESSEE VALLEY AUTHORITY
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
IEB-80-20, NUDOCS 8107240520
Download: ML20009D946 (1)


Text

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,J' 400 Chestnut Street Tower II June

'5, 1981'I I

.Mr. James P. O'Reilly, Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Region II - Suite 3100 101 Marietta Street Atlanta, Georgia 30303

Dear Mr. O'Reilly:

OFFICE OF INSPECTION AND ENFORCEMENT BUI.LETIN 80-20 -RII:JP0 50-518,

-519, -520, -521, -553, -554 - HARTSVILLE AND PHIPPS BEND NUCLEAR PLANTS Our initial response to the subject bulletin, was submitted on September 12, 1980, followed by our second interim reponse on February 10, 1981.

This letter constitutes TVA's third interim response to the subject bulletin.

TVA is continuing to work with Westinghouse on resc.ution of the concern on W-2 switches. We have asked Westinghouse to keep us informed of the progress of the fatigue failure test program for the W-2 switches.

In addition, we have requested Westinghouse to keep us informed of their long-term resolution to the W-2 switch problem. GE is still in the process of collecting the requested information. TVA anticipates transmitting the final report on or before August 14, 1981.

If you have any questions, please call Jim Domer at FTS 857-2014.

To the best of my knowledge, I declare the statements contained herein are complete and true.

Very truly yours, TENNESSEE VALLE't AUTHORITY

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