05000327/LER-1980-139, Forwards LER 80-139/03L-0

Forwards LER 80-139/03L-0

ML19344F102
Person / Time
Site:	Sequoyah
Issue date:	09/04/1980
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19344F103	List: 05000327/LER-1980-139, Forwards LER 80-139/03L-0 05000327/LER-1980-139-03, /03L:on 800807,during Operation in Mode 2,B Train Transfer Switch for Component Cooling Water Pump Supply Tripped on Three Occasions.Caused by Thermal Overload Assembly.Switches Modified by Defeating Overload Features
References
NUDOCS 8009120412
Download: ML19344F102 (1)

LER-1980-139, Forwards LER 80-139/03L-0

Event date:
Report date:
3271980139R00 - NRC Website

text

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TENNE 95 TE V ALLEY AUTHORITY ps*;

C A. TCNNESSEE 374 0 t 1

i 1750 Chestnut Street Tower II September 4, 1980 Mr. James P. O'Railly, Director U.S. Muslaar Regulatory Commission Offica of Inspectica and Enforcement Region n 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Railly:

TENNESSEE VALLEY AD310'tITT - SKUOR ZM 2~6 'I uMIf 1 - 00CKET No. 50-327 - FACILITY OPE 3ATING LICENSE DPR AE20Afa3La UCCURRENCE j

t REPORT SQRO-50-327/80139 I

The enclosed report providas details concerning the transfer switch for tha component cooling water p g power supply which was found to be tripped open. This report la subantaa in accordance with Sequoyah unit 1 T=- w a=1 Specification s.9.1.13.b.

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

Director (3)

Office of Managewwnt Internation ad Progre.:a Control UrS. huclear Regulatory Constission Washington, DC 20555

_ Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. Bill Lavallee Nuclear Safety Am lysis Canger Palo Alto, California 94303 Y

Mr. W. T. Cott) 4 NRC Inspector, Sequoyah 5

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