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

(

p t F %) V M/(g C fs a Fe li}

PRELIMINARY NOTIFICAT10N i

~..

September 20, 1978

(

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

This preliminary notification constitutes EARLY notice of an event of l

POSSIBLE safety or public interest significance.

The information l

presented is as initially received without verification or evaluation and is basically all that is known by IE staff on this date.

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 ' utage on o

h September 29, 1978.

With the shutdown due to the steam generator I

(

)

leakage, the licensee plans to start his refueling outage imediately.

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

l The same unit was shutdown previously on February 2,1978 and May 26, l

1978 because of primary to secondary leakage also in the "A" steam

]

l generator.

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

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

i l

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

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

• Region A.

S. H. Hanauer, E00 SSBldg[th,HMSS

.87 (MAIL)

J. J. Fouchard, PA C. V. Smi

0. G. Abston. 01A N. M. Haller, MPA R. G. Ryan, OSP R. Hipogue. SD H. K. Shapar, ELD PRELIMINARY NOTIFICATION c

9804220114 780920 PDR I&E Dy6 b PNO-78-171 PDR