ML19296D617

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Forwards Final Potential Deficiencey Rept Re Type L2 Auxiliary Assemblies Installed in Switchgear & 480V Load Ctrs Mfg by Gould-Brown Boveri
ML19296D617
Person / Time
Site: Grand Gulf  Entergy icon.png
Issue date: 02/28/1980
From: Dale L
MISSISSIPPI POWER & LIGHT CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19296D619 List:
References
NUDOCS 8003120594
Download: ML19296D617 (1)


Text

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P, '; ,I , i p s . MISSISSIPPI POWER & LIGHT COMPANY Helping B uild Mis sis sip p o

  • b' j .rLk) P. O. SOX 1640. JACKSON. MIS SIS SIP PI 39205

. o a u c t i o ., o c . . v o c ~ r February 2S, 193C Office of !nspection & Enforcement U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, N.W., Suite 3100 Atlanta, Georgia 30303 ATTN. Mr. J. P. O'Reilly, Director

Dear Mr. O' Reilly :

SUBJECT:

Grand Gulf Nuclear Station Units 1 and 2 Docket Mos. 50-416/417 File 0260/049S PRD-79/06 Final Report Auxiliarv Switch Assembly Failure in 4.16KV and 6.9KV Switchaear and 480V Load Centers AEC:1-80/46 On March 2, 1979, 'tississippi Pcwer & Light Company not. led Mr. J. K.

Rausch of your office of a potentially reportable deficiency at the Grar.d Gulf Nuclear Station construction site. The deficiency concerns cracked type L2 Auxiliary Switch Assemblics installed in stritchcear (6.9KV and 4.16KV) and 480V load centers manufactured by Gould-Brown Soveri.

We have determined that this problem is not reportable within the rceaning of 10CFR50. 55 (e) . Details are described in the attached final report.

Yours truly, J^ (W g t

L. F. Dale Nuclear Project Man a.;c r ,

JCC/JRD:1s Attachment cc: Mr. '; . L. Stampley bec: Dr. D. C. Gibbs Q Mr. R. B. McGehee Mr. A. Zaccaria Mr. T. 3. Conner Mr. J. N. Ward 9 8

- , .. . , e a.qp'( f tdr . D . M. Lake Mr. Victor Stello, Jr., Director Mr. R. L. Scott Division of Inrpection & Enforceme ' Mr. W. L. Nail U. S. Nuclear Regulatory Commission Mr. T. E. Reaves Washington, D. C. 20555 Mr. C. K. McCoy Mr. J. W. Yelverton Mr. A. R. Smith Member Middle South Utihties Systen0 0 031 2 ' o M'f