ML20249A174

PNO-78-020:Region III Inspector Reported Indications of Primary to Secondary Leakage in a SG at Point Beach 1. Leak Rate Had Been Increasing Since 780130 & Now Up to 130 Gallons Per Day.Licensee Plans to Shutdown Unit for Repair

ML20249A174
Person / Time
Site:	Point Beach
Issue date:	02/02/1978
From:	Klingler G, Nolan F, Sniezek J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-78-020, PNO-78-20, NUDOCS 9806160141
Download: ML20249A174 (1)

Text

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PRELIMINARY NOTIFICATION February 2, 1978 l

i PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-78-20 l

_This preliminary notification constitutes EARLY notice of an event of l

' P_0SSIBLE safety or public interest significance. The information presented is as initially received without verification or evaluation and is basically all that is known by IE staff on this date.

Facility: Wisconsin Electric Power Company, Point Beach 1 (DN 50-266), Two Creeks, WI

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Subject:

STEAM GENERATOR TUBE LEAK '

The Region III (Chicago) inspector, who is at the site conducting a routine inspection, reported that Point Beach I has indications of primary to secondary leakage in the "A" steam generator. The leak rate has been increasing since January 30, 1978, and is now up to 130 gallons per day (gpd). The Technical Specifications limit is 500 gpd.

The licensee plans to shut Unit I down today (February 2, 1978) to locate and correct the leakage. They expect the outage to last approximately 5 days. .

M The licensee has not yet made a decision concerning a press release. -

The Region does not plan to issue a press release at this time. The

( State of Wisconsin has been notified. id

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Region III (Chicago) received notification of this matter by telephone from the NRC inspector at 10:15 a.m. , on February 2,1978.

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Contact:

GKlingler, IE x28019 FNolan, IE x28019 JSniezek, IE x28019 Distribution: Transmitted H St 26d Chairman Hendrie Commissioner Bradford Commissioner Kennedy S. J. Chilk, SECY C. C. Kammerer, CA Commissioner Gilinsky (For Distribution)

Transmitted: MNBB 2.l>~/' PBldg7'[7 E. Vol , IE L. V. Gossick, ED0 E. G. Case, NRR S. H. Hanauer, EDO Region 3l6[

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l J. J. Fouchard, PA SS Bldg .3; e t R. Hartfield, MIPC (MAIL)

C. V. Smith, NMSS T. J. McTiernan, 01A

.R. G. Ryan, OSP R. Minogue, SD H. K. Shapar, ELD

. PRELIMINARY NOTIFICATION n

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9006160141 780202 NO-7 20 PDR c - -- -- -