ML19339C148

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Forwards IE Circular 80-23, Potential Defects in Beloit Power Sys Emergency Generators. No Written Response Required
ML19339C148
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 10/31/1980
From: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To: Papay L
SOUTHERN CALIFORNIA EDISON CO.
References
NUDOCS 8011170640
Download: ML19339C148 (1)


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UNITED STATES E \\ '-

" 'g NUCLEAR REGULATORY COMMISSION

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1990 N. CALIFORNI A BOULEVARD SulTE 202, WALNUT CREEK PLAZA

  • e,,e WALNUT CREE K. CALIFORNIA 94596 October 31, 1980 Docket $los. 50-206, 50-361, 50-362 Southern California Edison Company P. O. Box 800 2244 Walnut Grove Avenue Rosemead, California 91770 Attention:

Dr. L. T. Papay, Vice President Advanced Engineering Gentlemen:

Enclosed is IE Circular tio. 80-23 which requires consideration by you with -

regard to your nuclear power facility.

Should you have any questions regarding this circular or the actions recommended therein, please contact this office.

Sincerely, R.[H.,Engelken v[ '

/

Director

Enclosures:

1.

IE Circular fio. 80-23 2.

Recently Issued IE Circulars cc w/ enclosures:

J. M. Curran, SCE R. Dietch. SCE

801127oGr0 G.

SSIlls flo. : 6830 Accession ?!o. :

8008220243 IEC 80-23 UNITIED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF IftSPECTI0tl AND ENFORCEMENT UASHI! GTON, D. C. 20555 October 31, 1980 IE Circular flo. 80-23

POTEtlTIAL DEFECTS IN BELOIT POWER SYSTEMS EMERGENCY GEi!ERATORS BACKGROUND This circular addresses a potential deficiency involving the field leads of generators manufactured by Beloit Power Systems.

It is known that the subject generators have been coupled with Fairbanks Morse diesel engines for use in nuclear power facilities; however, it is not known whether they have been coupled with other diesel engines for such use. Accordingly, the intent of this circular is to notify all nuclear power facilities of the potential defect and to assure that appropriate remedial actions are taken, if needed.

The Nuclear Regulatory Commission was first informed of the potential defect by a phone call from Mr. R. H. Beadle of the Fairbanks Morse Engine Division of Colt Industries to Mr. D. W. Hayes of Region III on September 19, 1980.

On September 20, 1980, a conference call was held between the NRC Duty Officer, personnel from Prairie Island Nuclear Power Station, Mr. Beadle of Fairbanks Morse and Mr. C. Evenson of Beloit Power Systems, the principal spokesman.

1 The pur"ose of this call was to describe an inspection method which Prairie Island personnel could use to examir.e the field lead assemblies of their gen-erators for the potential defect.

(We have since been informed by the Resident Inspector that the field lead assemblies of the Prairie Island generators did not have the suspected defects.)

In order to disseminate this information on a timely basis, the NRC Duty Officer at Bethesda called those operating facilities which he knew were j

using the suspect generators on September 20 and 21,1980.

The infonnation 1

conveyed included a description of the potential defect and a description of the aforementioned inspection method. The operating facilities called were.

FACILITY N0. OF UNITS l

Calvert Cliffs 1 and 2 3

Crystal River 3 2

Hatch I and 2 Duane Arnold North Anna 1 and 2 DUPLICATE DOCUMENT Millstone 1 and 2 Robinson 2 Prairie Island Entire document previously entered into system under:

Pe Potto and 3 ANO_ M T S O M 3 Arkansas Nuclear One, Un N o. of pages:

6

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