ML20216K155

PNO-78-171:licensee Reported That Unit 1 Was Shutdown Due to Primary to Secondary Leak in SG A.Leakage Increased from 116 Gallons Per Day to 560 Gallons Per Day on 780920

ML20216K155
Person / Time
Site:	Point Beach
Issue date:	09/20/1978
From:	Klinger G, Nolan F, Sniezek J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-78-171, NUDOCS 9804220114
Download: ML20216K155 (1)

Text

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PRELIMINARY NOTIFICAT10N i

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September 20, 1978

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l PRELIMINARY NOTIFICATION OF EVENT OR , UNUSUAL OCCURRENCE--PNO-78-171 l

This preliminary notification constitutes EARLY notice of an event of i l POSSIBLE safety or public interest significance. The information l l presented is as initially received without verification or evaluation l and is basically all that is known by IE staff on this date. I i

Facility: Wisconsin Electric Power Company Point Beach 1 (DN 50-266)

.. Two Creeks, WI l

Subject:

STEAM GENERATOR TUBE LEAK The licensee reported that Unit 1 was shutdown this morning due to a primary to secondary leak in the "A" steam generator. The leak-age increased from 116 gallons per day at 3:15 a.m. to 560 gallons per day at 5:00 a.m. on September 20, 1978. The Technical Specification l requires the plant to be placed in cold shutdown within 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> if l the leakage exceeds 500 gallons per day.

l. Bas l The licensee had planned to shutdown for a refueling ' outage on h

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September 29, 1978. With the shutdown due to the steam generator leakage, the licensee plans to start his refueling outage imediately.

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l The licensee expects the outage to last until October 24, 1978.  ;

The same unit was shutdown previously on February 2,1978 and May 26, l l 1978 because of primary to secondary leakage also in the "A" steam -

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generator. (PN0-78-20andPN0-78-115.) l l

The licensee has made a press release. Region III does not plan to issue a press release at this time. The State of Wisconsin has been notified. Region III (Chicago) received notification of this matter i

by telephone from the licensee at 10:15 a.m., on September 20, 1978.

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Contact:

GRKlingler IE, x28019; FNolan IE, x28019; JSniezek IE, x28019 Distribution _: TransmittedHStk,'S'd Chairman Hendrie 'Commissigner Bradford S. J. Chilk, SECY Comissioner Kennedy Commissioner Ahearne C. C. Kamerer, CA Comissioner Gilinsky (For Distribution)

Transmitted: MNBBk.[d P Bldg f/,'I J. G. Dav

,If,.'dd L. V. Gossick, ED0 H. R. Denton, NRR

• Region A.

S. H. Hanauer, E00

• J. J. Fouchard, PA SSBldg[th,HMSS .87 (MAIL)

N. M. Haller, MPA C. V. Smi 0. G. Abston. 01A R. G. Ryan, OSP R. Hipogue. SD H. K. Shapar, ELD PRELIMINARY NOTIFICATION c 9804220114 780920 PDR I&E -

PNO-78-171 PDR Dy6 b