ML19260D040

Forwards Final Deficiency Rept Re Common Mode Failure of S1 & S2 Model 510DU Master & Slave Trip Units

ML19260D040
Person / Time
Site:	Grand Gulf
Issue date:	01/30/1980
From:	Dale L MISSISSIPPI POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19260D041	List: ML19260D040 ML19260D043
References
AECM-80-31, NUDOCS 8002070283
Download: ML19260D040 (2)

Text

.

MISSISSIPPI POWER & LIGHT COMPANY E

L M

Helping Build Mississippi U. a u X 18 4 0. J A C K S O N, MIS SIS SlP PI 39205

==oouction os..a ra c"'

January 30, 1980 Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Region II 101 Marietta Street N. W.

Suite 3100 Atlanta, Georgia 30303 AITENTION:

Mr. J. P. O'Reilly, Director

SUBJECT:

Grand Gulf Nuclear Station Units 1 and 2 File 0262/0498/15526 Final Report for PRD-79/18 AECM-80/31 On November 28, 1979, Mississippi Power & Light Grand Gulf Nuclear Station Construction Site. office (Letter AEC ency at the fective switches (S1 and S2) in Rosemount Model 510DU MastThe deficiency conc Units.

er and Slave Trip of 10 CFR 50.55(e).We have determined that this deficiency is reportable withi Details are described in the attached final reportn the meaniag Yours truly, L. F. Dale Nuclear Project Manager JCC/JDR:pa Attachment 1938 054 Mr. N. L. Stampley ec:

bec:

Dr. D. C. Gibbs Mr. R. B. McGehee Mr. T. B. Conner Mr. Adrian Zaccaria Ng #

Mr. J.

N. Ward Mr. Victor Stello, Jr., Directo gg Mr. D. M Lake Mr. R. L Scott Division of Inspection & Enfc ecement Mr. W. L. Nail U. S. Nuclear Regulatory Commission Mr. J P. McGaughy Washington, D. C.

20555 Mr. T E.

Reaves Mr. C. K. McCoy

/f Mr. J. W Yelverton S o, Mr. A.

R.

Smith File

/f Member Middle South Utilities System 8002 07 0 AD

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