ML19305D985
| ML19305D985 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 03/21/1980 |
| From: | Dale L MISSISSIPPI POWER & LIGHT CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML19305D986 | List: |
| References | |
| AECM-80-56, NUDOCS 8004170071 | |
| Download: ML19305D985 (1) | |
Text
,,
MISSISSIPPI POWEl3 Sfl,RHT. COMPANY Helping Build Missis ^sippi.
EulkhlkleddB P. O. B O X 164 0, J AC K S O N, MIS SIS SIP PI 3 9 2 0 5 March 21, 198 30 a n oouctio n o s** =vu r"'
Office of Inspection & Enforcement U. S. Nuclear Regulatory Comnission Region II 101 Marietta Street, N.W., Suite 3100 Atlanta, Georgia 30303 Attention:
Mr. J. P. O'Reilly, Director i
Dear Mr. O'Reilly:
SUBJECT:
Grand Gulf Nucleaf Station Units 1 and 2 Docket Nos. 50-416/417 File 0272/0498/15526 PRD-79/12, Final Report on Rosemount 510 DU Trip Units AECM-80/56 On September 4, 1979, Mississippi Power & Light Company notified Mr. V. Brownlee of your office of a potentially reportable deficiency at the Grand Gulf Nuclear Station construction site. The deficiency concerns the Rosemount 510 DU Trip Units drawing more current than originally specified, causing the associated power supplies to be inadequate.
In our letter to you, AECM-79/110, dated October 2, 1979, we advised you of our determination that this deficiency was reportable, as per 10CFR50.55(e).
Our complete final report on this matter, in accordance with 10CFR50.55(e), is attached. In addition to the information provided in our above referenced letter, this report also includes our corrective action plan.
Yours t ly,
}
L. F. Dale Nuclear Project Manager JGC/JDR:dwe Attachment Bon ec:
Mr. N. L. Stampley g
Mr. R. B. McGehee j
Mr. T. B. Conner
// /
Mr. Victor Ste11o, Director Division of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D. C.
20555 8004170 C)'3
.,ga y