05000327/LER-1980-098, Forwards LER 80-098/03L-0

Forwards LER 80-098/03L-0

ML19321A177
Person / Time
Site:	Sequoyah
Issue date:	07/18/1980
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19321A178	List: 05000327/LER-1980-098, Forwards LER 80-098/03L-0 05000327/LER-1980-098-03, /03L-0:on 800624,during heat-up,tee Fitting on Pressurizer Pressure Sensing Line for Instrument 1-PI-68-323 Failed,Allowing Primary Coolant to Leak Into Containment. Caused by Improper Installation of Ferrule Ring on Tee
References
NUDOCS 8007220568
Download: ML19321A177 (1)

LER-1980-098, Forwards LER 80-098/03L-0

Event date:
Report date:
3271980098R00 - NRC Website

text

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TENNESSEE VALLEY AUTHORITY CH ATTANCOGA, TENNESSEE 37401 1750 Chestnut Street Tower II July 18, 1980 Mr. James P. O'Railly, Director U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia '40303

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - SEQUOYAH NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-327 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT SQRO-50-327/8098 The enclosed report provides details concerning the failure of a " tee" fitting on the pressurizer pressure sensing line for instrument 1-PI-68-323 which allowed primary coolant to leak into containment. This report is submitted in accordance with Sequoyah t: nit 1 Technical Specification 6.9.1.13.b.

Very truly yours, TEJDiESSEE VALLEY AUTHORITY J. R. Calhoun Director of Nuclear Power Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory Commission

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Washington, DC 20555 Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. Bill Lavalles g

Nuclear Safety Analysis Center

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• Palo Alto, California 94303 Mr. W. T. Cottle, NRC Inspector, Sequoyah

, - 8007220 E

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