05000327/LER-1980-108, Forwards LER 80-108/03L-0

Forwards LER 80-108/03L-0

ML19330A917
Person / Time
Site:	Sequoyah
Issue date:	07/23/1980
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19330A918	List: 05000327/LER-1980-108, Forwards LER 80-108/03L-0 05000327/LER-1980-108-03, /03L-0:on 800624,during Normal Operations,Fuse in Switching Bridge Circuit Failed on Vital Inverter 2-I Which Rendered 120 Volt Ac Vital Instrument Power Board 2-I Inoperable.Cause Unknown.Fuse Replaced
References
NUDOCS 8007290762
Download: ML19330A917 (1)

LER-1980-108, Forwards LER 80-108/03L-0

Event date:
Report date:
3271980108R00 - NRC Website

text

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c..,ce n Trtscsstz r.c-1750 Chestnut Street Tower II July 23, 1980 Mr. James P. O'Railly, Director U.S. Nuclear Regulatory ca==< msion Office of Inspection and Enforcement Ragion II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - SEQUOYAE NUCLEAR PLANT UNIT 1 - DOCKET No. 50-327 - FACILITY OPERATING LICENSE DPR REPORTARLR OCCURRENCE REPORT SQRO-50-327/80108 The enclosed report provides deemila concerning the failure of a fuse in the switching bridge circuit on vital inverter 2-I to function rendering the 120-volt ac vital instrument power board 2-I inoperable.

This report is submitted in accordance with Sequoyah unit 1 Teahnie=1 Specification 6.9.1.13.b.

Very truly yours, TENNESSEE 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 u--h4neenn; nc 2nsss i

Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. Bill Lavallee Nuclear Safety Analysis Center O

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

800 72907G1