ML19290B689
| ML19290B689 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 11/02/1979 |
| From: | Dale L MISSISSIPPI POWER & LIGHT CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML19290B690 | List: |
| References | |
| NUDOCS 7912130528 | |
| Download: ML19290B689 (1) | |
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MISSISSIPPI POWER & LIGHT COMPANY Helping Build Mississippi P. O. B O X 16 4 0. J A C K S O N. MIS SIS SI P PI 3 9 2 0 5
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..o o u ce c ~ o c.u rw e s, November 2, 1979 Office of Inspection and Enforcement U. S. Nuclear Regulatory Cor: mission Region II 101 Marietta Street - Suite 3100 Atlanta, Georgia 30303 At tentior. :
Mr. J. P. O'Reilly, Director Gentlemen:
SUBJECT:
Grand Gulf Nuclear Station File 0260/0498/15525 Units 1 and 2 Docket Nos. 50-416/417 Final Report for Potential Reportable Deficiency 79/08 as Defined in 10 CFR 50.55(e)
AEC!- 79 /121 On March 23, 1979, Mississippi Power & Light Company notified Mr. J. K. Rausch of your offfice of a potential reportable deficiency at the Grand Gulf Nuclear Station construction site concerning the failure of several " solid-state trip devices", which are part of the " low voltage power circuit breaker".
The deficiency was determined to be the result of an operator error during the assembly of printed circuit boards by our supplier, Gould-Brown Boveri Switchgear Division.
We have determined that this matter is a reportable deficiency which satisfins the criteria of 10 CFR 50.55(e).
Details of our findings are described in the attached final report.
Yours truly,
/
i L. F. Dale y
Nuclear Project Manager JRF/JDR:pa Attachment Bo/7 cc:
Mr. N. L. Stampley Mr. R. B. McGehee Mr. T. B. Conner g
Mr. Victor Stello, Jr., Director Division of Inspection & Enforcement 1553 336 U. S. Nuclear Regulatory Commission Qc[ w.%,.
Washington, D. C.
20555 s.
Member Middle South Utilities Systeg 91213 0 E 2 f