05000327/LER-1981-007, Forwards LER 81-007/03L-0

Forwards LER 81-007/03L-0

ML20003B249
Person / Time
Site:	Sequoyah
Issue date:	02/05/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20003B250	List: 05000327/LER-1981-007, Forwards LER 81-007/03L-0 05000327/LER-1981-007-03, /03L-0:on 810116,level Channel for Steam Generator 3 (L-3-97) Declared Inoperable.Caused by Failure of Trip Bistable 1-LS-3-97F to de-energize.Module Replaced,Calibr & Returned to Svc
References
NUDOCS 8102100551
Download: ML20003B249 (1)

LER-1981-007, Forwards LER 81-007/03L-0

Event date:
Report date:
3271981007R00 - NRC Website

text

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1750 Chestnut Street Tower II February 5, 1981 Mr. James F. O'Reilly, Director U.S. Nuclear Regulatory Commission Office of Inspection and Enfore==aat l

Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TE3NESSEE VALLET AUTHORITY - SEQUOTAH NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-327 - FACILITY OPERATING LICENSE DPR REPORTABLE OCC'JRRENCE REPORT SQRO-50-327/8107 The enclosed report provides details concerning the failure of a steam generator level bistable to deenergize during performance of a cha===1 functional test. This event resulted in the plant entering action l

statement 7 of limiting condition for operation 3.3.1.1 an/, is reported under Sequoyah unit 1 Technical Specification 6.9.1.13.b.

Very truly yours, TE!DIESSEE VALLET AUTHORITY H. J. Green Director of Nuclear Power l

Enclosure (3) l cc (Enclosure):

Director (3)

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

Office of Inspection and Enforcement U.S. Nuclear Regulatory en==inston Washington, DC 20555 Mr. Bill Lavallee Nuclear Safety Analysis Center b

Palo Alto, California 94303

/ /

NRC Inspector, Sequoyah Blo g gj.ffJ