ML20207G813

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
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)

Text

. -. - _ . - . - - - . . - - _ _ - - . . .-

d ild+ 6 G '

i dQ o g

PRELIMINARY NOTIFICATION 1

November 4, 1977 PRELIMINARY NOTIFICATION --PNO-77-193 OF EVENT OR

~

E65SI3LE safety or public interest e of an significance.

event of The information presented is as initially received without verification _

or eval

' and is basically all that is known by IE staff one this dat on

. FACILITY _. '

i , Duke Power Company

Oconee, Orift No. 2, Docke,t No. 50-270 e

~

Seneca, South Carolina

SUBJECT:

STEAM GENERATOR TUBE LEAK The unitofwas shut down 1.0 on November 3, due to an apparent tube leak approximately

Specification limit is 10 gpm. gallon per minute (gpm). steam generator The Technical condition a portion of the reac. The unit will be placed in a cold shutdown tor coolant system drained duration of the shutdown is two weeks. .

and the steam gene mated down on October 7 to repair an indicated steam generatoThe un returned to operation October 28 after efforts unsuccessful. r tube leak to locate and the l eak were

Mw There issue a news has been releaseno onmedia November intereist in this event.

4. Thflicehsee plans to t

news release.

The State of South Carolina has been notified. Regi phone fron. the Technical Services ence byEngineer tele- at

. . 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

)

Transmitted: MNBB 2430 (ForDistribution) C L. V..Gossick E00 ' P Bldg 2 U /

! S. H. Hanauer,, EDO E. G. Case, NRR E. Volgenau IE

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

) -

R. G. Ryan, OSP (MAIL ^'

C. V. Smit . NMSS t

H. K. Shapar, ELD RZ)McTiernan, OIA q R. Minogue, SD

, J PRELIMINARY NOTIFICATION. . . . - _ _ . . . . .

m_n-m

=

r

. . .