05000259/LER-1981-012, Forwards LER 81-012/03L-0

Forwards LER 81-012/03L-0

ML19347F855
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
ML19347F856	List: 05000259/LER-1981-012, Forwards LER 81-012/03L-0 05000259/LER-1981-012-03, /03L-0:on 810423,Athens 161 Kv Line Tripped & Cooling Tower Transformer 1 de-energized by B Phase Differential Relay Operation.Cause & Corrective Actions in Accordance W/Ler BFRO-50-259/81013
References
NUDOCS 8105260475
Download: ML19347F855 (1)

LER-1981-012, Forwards LER 81-012/03L-0

Event date:
Report date:
2591981012R00 - NRC Website

text

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b TENNESSEE VALLEY AUTHORITY CH A I ' A N00G A. TENNf 53cE 3740 8 1750 Chestnut Street Towers II May 19, 1981 g

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Mr. James P. O'Reilly, Director d

.oPJ U.S. Nuclear Regulatory Commission h

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g Office of Inspection and Enforcement g

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Region II y

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101 Marietta Street, Suite 3100

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Atlanta, Georgia 30303

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Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFR0-50-259/81012 The enclosed report provides details concerning Athens 161 kV line which tripped and cooling tower transformer 1 deenergized by "B" phase differential relay (BDD 187 CT) operation. This report is submitted in accordhnce with Browns Ferry unit 1 Technical Specification 6.7.2.b(2).

Very truly yours, TENNESSEE VALLEY AUTHORITY s

H. J. Green Director of Nuclear Power l

l Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory Commission Washington, DC 20555 Director (40) i Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 k

Mr. Bill Lavallee Nuclear Safety Analysis Center h

Palo Alto, California 94303 S

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

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81052004 75

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