ML19320D795

Responds to IE Bulletin 79-28, Possible Malfunction of Namco Model EA180 Limit Switches at Elevated Temps. Investigations Show No Namco EA180 Switches Are Installed or Planned for Installation

ML19320D795
Person / Time
Site:	Hartsville, Phipps Bend
Issue date:	07/01/1980
From:	Mills L TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
IEB-79-28, NUDOCS 8007220236
Download: ML19320D795 (1)

Text

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Tr.NNESSEE VALLEY AUTHORITY /

cmTT ANOCG A. TENNESSEE 3]u,1 g pg ,

400 Chestnut Street TowerT11tNTa. c u 5%

, July 1, 1980

3 JUL 7 A9: 4l 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:

4 0FFICE OF. INSPECTION AND ENFORCEMENT BULLETIN 79 RII:JPO

50-518, -519, -520, -521, -553, -554 - HARTSVILLE AND PHIPPS BEND NUCLEAR PLANTS Our initial response to your December 7, 1979, letter which transmitted OIE Bulletin 79-28, was submitted on February 6, 1980. The second interim report was submitted on March 28, 1980. Our investigations for the Hartsville and Phipps Bend Nuclear Plants have revealed that no NAMCO EA 180 limit switches are installed or planned for installation in any safety-related equipment, either inside or outside containment. If you have any questions, please call Jim Domer at FTS 857-2014.

. Very truly yours, TENNESSEE VALLEY AUTHORITY f'f ), gir ~

L. M. Mills, Manager

• Nuclear Regulation and Safety cc: Office.of Inspection and Enforcement Division of Reactor Operations Inspection U.S. Nuclear Regulatory Commission Washington, DC 20555

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