ML20084H706
| ML20084H706 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 06/14/1974 |
| From: | Gilleland J TENNESSEE VALLEY AUTHORITY |
| To: | Knuth D US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML20084H694 | List: |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8305040763 | |
| Download: ML20084H706 (1) | |
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i b TENNESSEE VALLEY AUTHOAITY i
~j CHATTANOOGA, TENNESSEE 37401 1
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June 14, 1974 j
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Mr. Donald F. Knuth, Director j
Directorate of Regulatory Operations
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U.S. Atomic Energy Commission Washington, DC 20545 i
Dear Mr. Knuth:
Initial report of a potential design deficiency involving weld yoke-to-motor mounting plate FCV-74-58 at Browns Ferry Nuclear Plant units 2 and 3 was made on May 14, 1974.
In accordance with paragraph 50.55(e) of 10 CFR 50, this is submitted as an interim report.
During an outage of unit 1, MOV l-FCV-74-58 failed to operate properly. An investigation revealed the yoke broke from i
the operator at the yoke-to-motor base welds. This was reported to W. S. Little, AEC-DRO, by telephone on May 14, 1974, as i
a potential design deficiency with respect to Browns Ferry l
units 2 and 3.
l Further investigation is under way to determine the exact cause of the apparent failure and corrective action required.
j We expect to furnish a final report of this deficiency by July 12, 1974.
Very truly yours, AJ,E.Gilleland Assistant to the Manager of Power l
CC:
Mr. Norman C. Moseley, Director l
Directorate of Regulatory Operations U.S. Atomic Energy Commission l
t Region II - Suite 818 230 Peachtree Street, NW.
j Atlanta, Georgia 30303 l.
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