ML20249B202

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PNO-79-043:on 760317,nonisolable Leak in RCS Was Identified During Post Core Load Hot Functional Testing.Rcs Being Cooled Down to Make Repairs.Cause of Leak Has Not Yet Been Determined
ML20249B202
Person / Time
Site: Indian Point Entergy icon.png
Issue date: 03/17/1976
From: Dreher F, Roy G, Thompson D
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-76-043, PNO-76-43, NUDOCS 9806220169
Download: ML20249B202 (1)


Text

I YWN f$kh PRELIMINARY NOTIFICATION - NOT FOIC FUBLIC DISCLOSURE March 17, 1976 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -PNO-76-43 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information presented is as initially received without verification or evaluation and is basically all that is known by OIE staff as of 4:30 p.m. on l date of this notification. IT SHOULD BE SPECIFICALLY NOTED THAT THIS NOTIFICATION MAY CONT /[N INFORMATION THAT LATER MAY BE DETERMINED TO BE INACCUP. ATE OR INCONSISTENT. AN OFFICE OF INSPECTION AND ENFORCEMENT NOTIFICATION OF AN INCIDENT OR OCCURRENCE (BLUE SHEET) SUBSEQUENTLY WILL BE ISSUED IF WARRANTED.

Facility: Indian Point 3 (DN 50-286) l l Consolidated Edison Company of New York, Inc.

Subject:

REACTOR COOLANT SYSTEM LEAK A nonisolable leak in the Reactor Coolant System (RCS) was identified today

! during post core load hot functional testing. The leak is in a socket veld -

on a 3/4 inch vent line connected to one of the accumulator discharge lines to a RCS cold leg. The leak rate is less than one gallon per minute. The RCS is being cooled down to make repairs. The cause of the leak has not yet been determined. The time to cooldown and repair the leak is estimated to be two days.

i Media interest is expected because.of close attention to Indian Point

, operations and status. The State of New York has been informed. A press i release is not planned.

NRC, Region I, Philadelphia, Pa. received notification of this occurrence by telephone at 3:15 p.m., 3/17/76 from Mr. S. Zulla, Operations Engineer.

1

Contact:

FADreher, IE x27261 GWRoy, IE x27261 DThompson, 27541 I

t Distribution:

Chairman Anders Commissioner Mason S. J. Chilk, SECY /

Commissioner Gilinsky Commissioner Rowden G. F. Murphy, JCAE g I Commissioner Kennedy C. C. Kammerer, CA g

. L. V. Gossick, J. G. Davis, OIE J. A. Harris, PA O B. C. Rusche, NRR J. La Fleur, ISP T. J. McTiernan, AIA d K. R. Chapman, NMSS H. K. Shapar, ELD Transmitted: P Bldg ///fdg.; H St /hfL ; MNBB 7hc'I ; Luge 77L-dA I

PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE i I

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9006220169 760317 ~

PDR 18sE PNO-76-043 PDR ,.

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