ML20215J389

Forwards Part 21 Rept Recently Received by Commission,For Informational Purposes

ML20215J389
Person / Time
Site:	Fort Saint Vrain
Issue date:	05/04/1987
From:	Gagliardo J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Robert Williams PUBLIC SERVICE CO. OF COLORADO
References
REF-PT21-87-090-000 PT21-87-090-000, PT21-87-90, NUDOCS 8705070391
Download: ML20215J389 (2)

Text

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l c, MAY 4 - 1987 In Reply Refer To:

Docket: 50-267 Public Service Company. of Colorado ATTN: Robert 0. Williams, Jr.

Vice President,' Nuclear Operations P. O. Box 840 Denver, Colorado 80201-0840 Gentlemen:

This forwards for your information reports recently' received by the Commission under the reporting requirements of 10 CFR Part 21.

Although no response is required to this letter, we shall be pleased.to answer

'any questions which you may have regarding this matter.-

Sincerely, Original Signed By

3. E. Gagliardo J. E. Gagliardo, Chief Reactor Projects Branch

Attachment:

Indiana & Michigan Electric Company Letter dated September 18, 1986 cc w/ attachment:

Manager, Nuclear Production Division Fort St. Vrain Nuclear Station 16805 WCR 191 Platteville, Colorado 80651 P. Tomlinson, Manager, Quality Assurance' Division (same address)-

Colorado Radiation Control Program Director Colorado Public Utilities Commission bec w/ attachment: ! se nextpage)

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DRSP RRI R. D. Martin, RA SectionChief(RPB/A)

RSB SectionChief(RSB/ES)

Project Inspector R&SPB D. Weiss, RM/ALF RIV File MIS System R. Hall RSTS Operator

..,a INDIANA & MICHIGAN ELECTRIC COMPANY P.O. BOX 16631 -

COLUMBUS,0HIO 43216 i

September 18, 1986 AEP:NRC:0971A 10 CFR 21:0058 Donald C. Cook Nuclear Plant Unit Nos. I and 2 Docket Nos. 50-315 and 50-316 License Nos. DPR-58 and DPR-74 DEFECTIVE EMERGENCY HEAD LEVER SUPPLIED FOR AUXILIARY FEED PUMP Mr. James Taylor, Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission 1717 H Street Washington, D.C.

20555

Dear Mr. Taylor:

This letter is to confirm the telephone conversation of September 12, 1986 between Messrs. J. Feinstein, G. Hines, and P. Barrett of :

American Electric Power Service Corporation and Mr. George Lanik of the -

Office of Inspection and Enforcement, regarding notification made pursuant to 10 CFR Part 21-Mr. Lanik stated that submission of this letter by September 18, 1986 was acceptable. Based on our safety evaluation of September 12, 1986, we concluded that the subject defect had the potential for causing a substantial safety hazard.

Specifically, we reported that we had received parts for our auxiliary feedwater pump turbines which contained a defect. The parts were two emergency head levers (Part #82262B, Drawing #86205D) supplied by Terry Corporation of Windsor, Connecticut. The levers were improperly machined such that the surface which seats against the tappet nut was curved instead of being flat.

The defective parts (levers) were never actually installed'in the D. C.

Cook Plant. Thus, there was no adverse safety impact caused by: these defective parts on D. C. Cook Plant. With the turbine's mechanical l

overspeed trip reset, the defective levers could have caused the operating pump to inadvertently trip. This would have prevented a continuous supply.

of auxiliary feedwater from the Turbine Driven feedwater pump to the plant steam generators in the event it was required.

The defective parts were returned to the manufacturer. Nondefective replacement parts were sent to the D. C. Cook Plant and installed.

We do not have specific knowledge of whether or not defective parts of this type have been supplied to other utilities.

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Mr. James Taylor

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This. document'has been prepared following' Corporate proced,ures wh'ich incorporate a reasonable set of controls to insure its accuracy and completeness prior to signature by the undersigned.

I Very truly yours,7

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M. P. Alexich VfD 4

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9 Vice President.

1 cm cc: John E. Dolan 1

W. G. Smith, Jr. - Bridgman R. C. Callen-G. bruchmann G. Charnoff NRC Resident Inspector - Bridgman l'

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