05000327/LER-1980-140, Forwards LER 80-140/03L-0

Forwards LER 80-140/03L-0

ML19338C920
Person / Time
Site:	Sequoyah
Issue date:	08/29/1980
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19338C921	List: 05000327/LER-1980-140, Forwards LER 80-140/03L-0 05000327/LER-1980-140-03, /03L-0:on 800809,during Preoperational Test,Diesel Generator 86LOR Relay Coils Burned Out Following Blackout Initiation.Caused by 86LOR Relay Being Reset Before Blackout Relays.Coils Replaced & Relays Reset
References
NUDOCS 8009080373
Download: ML19338C920 (1)

LER-1980-140, Forwards LER 80-140/03L-0

Event date:
Report date:
3271980140R00 - NRC Website

text

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TENNESSEE VALLEY AUTHCP!TY 3 c meco,s -rs.cmr rr 1750 Chaetnut Street Tower II l

August 29, 19d0 Mr. James P. O'Reilly, Director U.S. Nuclear Regulatory emt asion Office of Inspection and Enforcement llagion II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Railly:

TE: LESSEE VALLEY AUTHORITY - SEQUOYAH NUCLEAR plant Uh1T 1 - DOCCT No. 50-327 - FACILITY UPERATING LICTdiSE DPR REPORTABL4 OCCURRENCE REPORT 3QRO-50-327/80140 The enclosed report provides details concerning the diesel generator relay coils 66 lockout relay whica burned out during a stop attempt.

This report is submitted in accordance with Sequoyah unit 1 Technical Specification 6.9.1.12.b.

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

Director (3)

Office of Management Information and Program Control U.S. N u: lear Regulatory c-i nsion Washington, DC 20555 Director (40)

Office of Inspection rad Enforcement U.S. Nuclear 2ngulatory P-4 =eion Wasnington, DC 20555 bo1 Mr. Bill Lavallee 3

Nuclear Safety Analysis Center Palo Alto, California 94303

//

Mr. W. T. Cottle, NAC Inspector, Sequoyah D**D

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