ML20207G813

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PNO-77-193:on 771103,due to an Apparent SG Tube Leak of Approx 1.0 Gallon Per Minute (Gpm) Unit Was Shutdown
ML20207G813
Person / Time
Site: Oconee Duke Energy icon.png
Issue date: 11/04/1977
From: Klingler G, Nolan F, Sniezek J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-77-193, NUDOCS 9903120171
Download: ML20207G813 (1)


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PRELIMINARY NOTIFICATION November 4, 1977 1

PRELIMINARY NOTIFICATION OF EVENT OR

--PNO-77-193 E65SI3LE safety or public interest significance.

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e of an event of presented is as initially received without verification or eva The information and is basically all that is known by IE staff on this dat on

. FACILITY e_.

i, Duke Power Company Oconee, Orift No. 2, Docke,t No. 50-270

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e Seneca, South Carolina

SUBJECT:

STEAM GENERATOR TUBE LEAK The unit was shut down on November 3, due to an apparent tube leak of approximately 1.0 Specification limit is 10 gpm. gallon per minute (gpm). steam generator The Technical a portion of the reac. The unit will be placed in a cold shutdown condition duration of the shutdown is two weeks. steam gene tor coolant system drained and the down on October 7 to repair an indicated steam generatoThe un mated returned to operation October 28 after efforts to locate the l r tube leak and unsuccessful.

eak were

Mw There has been no media intereist in this event.

issue a news release on November 4.

Thflicehsee plans to t

The State of South Carolina has been notified. Regi news release.

phone fron. the Technical Services Engineer at ence by tele-

.. on November 4.

Contact:

_ GKlingler, IE x28019 FNolan IE x28019 JSn Distribution:

4 Chairman Hendrie Transmitted H St 2.U6 Commissioner Kennedy Commissioner Bradford Commissioner Gilinsky S. J. Chilk, SECY C. C. Kammerer, CA

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(ForDistribution)

Transmitted: MNBB 2430 P Bldg 2 U /

C L. V..Gossick E00 E. G. Case, NRR E. Volgenau IE S. H. Hanauer,, EDO

.J. J. Fouchard, PA Region %, 2,i W W. G.-Mcdonald, MIPC SS B1dg

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(MAIL RZ)McTiernan, OIA q R. G. Ryan, OSP C. V. Smit. NMSS

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t H. K. Shapar, ELD R. Minogue, SD J

PRELIMINARY NOTIFICATION.... - _ _.....

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