ML20064C592
| ML20064C592 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 09/14/1978 |
| From: | Gilleland J TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 7810230135 | |
| Download: ML20064C592 (1) | |
Text
_ _ _ _ _ _ _ _ _ _
50/327/78-016 50/328/78-015 s
j TENNESSEE VALLEY AUTHORITY CH ATTANOOGA TENNESSEE 374ol
[D
- hQ 830 Power Building p gp p September ll, 1978 i
Mr. James P. O'Reilly, Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Co= mission E:
l Region II - Suite 3100 I
101 Marietta Street Atlanta, Georgia 30303 N
Dear Mr. O'Reilly:
SEQUOYAH NUCLEAR PLANT UNITS 1 AND 2 - HIGH PRESSURE FIRE PROTECTTnN ptwo FAILURES - NCR 962 - SECOND INTERIM REPORT
-~
Ihe 'subiect defi$ency was initially reported to NRC-OIE Region II Inspector R. W. Wright on May 2,1978, and an interim report was submitted on June 1, 1978.
TVA and the pump manufacturer (Johnson Pump Company) have redesigned the mechanism for locking the pump impeller to the pump shaf t.
The pumps are presently being sent back to the f actory, one at a time, to have this modification installed. After the modifications are complete, the pumps will be tested to determine whether or not the corrective action is adequate.
We vill submit our next report by November 3, 1978. If you have any questions concerning this matter, please get in touch with M. R. Wisenburg at FTS 854-2581.
Verytrulkyours, f
[.E.Gilleland Assistant Manager of Power cc:
Mr. John G. Davis, Acting Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 B
7 &/ 613 c / 3r f
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