05000259/LER-1981-013, Forwards LER 81-013/03L-0

Forwards LER 81-013/03L-0

ML19347F851
Person / Time
Site:	Browns Ferry
Issue date:	05/19/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19347F852	List: 05000259/LER-1981-013, Forwards LER 81-013/03L-0 05000259/LER-1981-013-03, /03L-0:on 810424,Athens 161 Kv Line Tripped & Cooling Tower Transformer 1 de-energized.Caused by Rolled Current Transformer Leads B & C for Breaker 1928.Lead B in Breaker 1922 Loose.Rolled Leads Corrected
References
NUDOCS 8105260468
Download: ML19347F851 (1)

LER-1981-013, Forwards LER 81-013/03L-0

Event date:
Report date:
2591981013R00 - NRC Website

text

o c

\\

TENNESSEE VALLEY AUTHORITY Ce4 A1' ANOOG A. TENNESSEE 374o1 1750 Chestnut Street Towers II O

May 19, 1981

/

Mr. James P. O'Reilly, Director 6, *

• U.S. Nuclear Regulatory Commission A,,'[o 9,

s o,

Office of Inspection and Enforcement s #

Region II N. [.,

101 Marietta Street, Suite 3100 N.

Atlanta, Georgia 30303 i

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-259/81013 The enclosed report provides details concerning Athens 161 kV line which tripped and cooling tower transformer 1 deenergized by operation of "B" differential relay (BDD 187 CT).

This report is submitted in accordance with Browns Ferry unit 1 Technical Specification 6.7.2.b(2).

Very truly yours, TENNESSEE VALLEY AUTHORITY H. J. Green Director of Nuclear Power e

Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory Commission Washington, DC 20555 i

Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 Mr. Bill Lavallee p

Nuclear Safety Analysis Center 01 Palo Alto, California 94303 S

Mr. R. F. Sullivan, NRC Inspector, Browns Ferry

//

l 8105260468 i

,**l't l,

• OVdr