05000327/LER-1981-055, Forwards LER 81-055/03L-0

Forwards LER 81-055/03L-0

ML20004D569
Person / Time
Site:	Sequoyah
Issue date:	06/01/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20004D570	List: 05000327/LER-1981-055, Forwards LER 81-055/03L-0 05000327/LER-1981-055-03, /03L-0:on 810504,waste Gas Decay Tank E Was Found to Have Oxygen Concentration of 2.025% & Hydrogen Concentration of 14.47%.Apparently Caused by Oxygen Being Drawn from Unit 2 Tanks During Preop Testing
References
NUDOCS 8106090540
Download: ML20004D569 (1)

LER-1981-055, Forwards LER 81-055/03L-0

Event date:
Report date:
3271981055R00 - NRC Website

text

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TENNESSEE VALLEY AUTHORITY

~.H 4 T T A NCOG A. TENN ESSEE 37 401 1750 Chestnut Street Tower II c ;-

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O-u Mr. James P. O'Reilly, Director O bOi b U.S. Nuclear Regulatory Commission g% k Office of Inspection and Enforcement Region II g

9 101 Marietta Street, Suite 3100 m

j Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - SEQUOYAH NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-327 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT SQRO-50-327/81055 The enclosed report prcvides details concerning waste gas decay tank "E" oxygen concentration exceeding 2 percent. This event required entry into limiting condition for operation 3.11.2.5.a and is reportable under Sequoyah unit 1 Technical Specification 6.9.1.13.b.

Very truly yours, TENNESSEE '1 ALLEY AUTHORITY H. J. Green Director of Nuclear Power Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory Commission Washington, DC 20555 Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washin gnn N'

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Mr. Bill Lavallee Nuclear Safety Analysis Center Palo Alto, California 94303

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I NRC Inspector, Sequoyah 810 6 09 0 [d/0

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