ML19323F203

Submits Updated Status of 800407 Potential Reportable Deficiency 80/14 Re Indications Found on Inner Bore Region of N4-A Feedwater Nozzle on Reactor Pressure Valve.Results of Investigation Will Be Submitted by 800730

ML19323F203
Person / Time
Site:	Grand Gulf
Issue date:	05/07/1980
From:	Dale L MISSISSIPPI POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 8005280643
Download: ML19323F203 (1)

Text

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9' MISSISSIPPI POWER & LIGHT COMPANY l

Helping Build Mississippi P. O. B O X 16 4 0. J A C K S O N. MISSISSIPPI 39205 caooueviou oca.nrwe"?

May 7, 1980 Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, N.W., Suite 3100 Atlanta, Georgia 30303 ATTENTION:

Mr. J. P. O'Reilly, Director

SUBJECT:

Grand Gulf Nuclear Station Units 1 and 2 Docket Nos. 50-416/417 File 0272/15525/15526 PRD-80/14, Status Report, Reactor Pressure Vessel Feedwater Nozzle Deficiency AECM-80/94 On April 7, 1980, Mississippi Power & Light Company notified Mr. F.

Cantrell of your office of a Potentially Reportable Deficiency (PRD) at the Grand Gulf Nuclear Station construction site. The deficiency concerns certain indications revealed during a liquid penetrant examination of the inner bore region of the N4-A Feedwater Nozzle on the Unit 1 Reactor Pressure Vessel (RPV). This examination was performed as an augmented inservice inspection,' pursuant to the requirements of NUREG-0312.

Currently we are investigating the code acceptability of the observed indications, the corrective actions required, and safety implications of this deficiency. We expect to provide this information and our determination on reportability to vou no later than July 30, 1980.

Yours truly, L. F. Dale Nuclear Project Manager bec:

Dr. D. C. Gibbs JCC/JDR:lj Mr. A. Zaccaria Mr. J. N. Ward cc: Mr. N. T.. Sttmpley Mr. D.

M.' Lake M.. R. B. McGehee Mr. J. P. McGaughy Mr. T. B. Conner Mr. W. L. Nail Mr. T. E. Reaves L,,

g Mr. Victor Stello, Jr., Director Mr. C. K. McCoy Division of Inspection & Enforcement Mr. J. W. Yelverton U. S. Nuclear Regulatory Commission Mr. A. R. Smith Washington, D. C.

20555 Mr. Tom Houghton 8005 ' 8 0 [p(/J J Fp,M.D. Hunt J

y Member Middle South Utilities System

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