05000296/LER-1997-001, Forwards LER 97-001-00 Re Loss of Offsite Power to Unit During Scheduled Refueling Outage Which Resulted in Auto Start of EDGs A,C & D

Forwards LER 97-001-00 Re Loss of Offsite Power to Unit During Scheduled Refueling Outage Which Resulted in Auto Start of EDGs A,C & D

ML18038B853
Person / Time
Site:	Browns Ferry
Issue date:	04/04/1997
From:	Crane C TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML18038B854	List: 05000296/LER-1997-001, Forwards LER 97-001-00 Re Loss of Offsite Power to Unit During Scheduled Refueling Outage Which Resulted in Auto Start of EDGs A,C & D 05000296/LER-1997-001-04, :on 970305,loss of Offsite Power on Unit 3 During Refueling Outage Resulted from Shorted Component. Replaced Relays Involved in Event W/Less Sensitive Relays
References
NUDOCS 9704150184
Download: ML18038B853 (6)

LER-1997-001, Forwards LER 97-001-00 Re Loss of Offsite Power to Unit During Scheduled Refueling Outage Which Resulted in Auto Start of EDGs A,C & D

Event date:
Report date:
Reporting criterion:	10 CFR 50.73(a)(2)(iv), System Actuation
2961997001R00 - NRC Website

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CATEGORY REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9704150184 DOC.DATE: 97/04/04 NOTARIZED: NO FACIL:50-296 Browns Ferry Nuclear Power Station, Unit 3, Tennessee AU0H.NAAE AUTHOR AFFILIATION CRANEiC.M.

Tennessee Valley Authority RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT: Forwards LER 97-001-00 re loss of offsite power to unit during scheduled refueling outage which resulted in auto start of EDGs A,C s

D.

DISTRIBUTION CODE:

ZE22T COPIES RECEIVED:LTR ENCL SIZE:

TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc.

NOTES:

DOCKET 05000296 RECIPIENT ID CODE/NAME PD2-3-PD INTERNAL: ACRS AEOD/SPD/RRAB NRR/DE/ECGB NRR/DE/EMEB NRR/DRCH/HICB NRR/DRCH/HQMB NRR/DSSA/SPLB RES/DET/EIB EXTERNAL: L ST LOBBY WARD NOAC POOREgW.

NRC PDR COPIES LTTR ENCL 1

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1 RECIPIENT ID CODE/NAME WILLIAMS,J.

AEOD PJ3 AB E CENTE NR NRR/DRCH/HHFB NRR/DRCH/HOLB NRR/DRPM/PECB NRR/DSSA/SRXB RGN2 FILE 01 LITCO BRYCE,J H

NOAC QUEENER,DS NUDOCS FULL TXT COPIES LTTR ENCL 1

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NOTE TO ALL "RIDS" RECIPZENTS:

PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD)

ON EXTENSZON 415-2083 FULL TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPIES REQUIRED:

LTTR 25 ENCL 25

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Tennessee Valley Authority, Post Office Box 2000, Decatur, Alabama 35609-2000 Christopher M. (Chris) Crane Vice President, Browns Feny Nuclear Rant April 4, 1997 U.S. Nuclear Regulatory Commission ATTN:

Document Control Desk Washington, D.C.

20555

Dear Sir:

10 CFR 50.73 BROGANS FERRY NUCLEAR PLANT (BFN)

UNIT 3 - DOCKET NOS. 50-296 FACILITY OPERATING LICENSE DPR-68 LICENSEE EVENT REPORT 50-296/97001 The enclosed report provides details concerning a loss of offsite power to Unit 3 during a scheduled refueling outage that resulted in the auto-start of Unit 3 Emergency Diesel Generators A,

C, and D.

This report is submitted in accordance with 10 CFR 50.73 (a)(2)(iv) as a condition that resulted in an automatic actuation of an engineered safety feature.

Sincerely, C.

M Crane cc:

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U.S. Nuclear Regulatory Commission Page 2

April 4, 1997 Enclosure cc Enclosure):

Mr. Mark S. Lesser, Branch Chief U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 NRC Resident InsPector Browns Ferry Nuclear Plant 10833 Shaw Road

Athens, Alabama 35611 Mr. J.

F. Williams, Project Manager U.S. Nuclear Regulatory Commission One White Flint, -North 11555 Rockville Pike Rockville, Maryland 20852

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