05000259/LER-1981-036, Forwards LER 81-036/03L-0

Forwards LER 81-036/03L-0

ML20009F557
Person / Time
Site:	Browns Ferry
Issue date:	07/15/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009F558	List: 05000259/LER-1981-036, Forwards LER 81-036/03L-0 05000259/LER-1981-036-03, /03L-0:on 810619,during Biaxial Seismic Switch Tests,Seismic Trigger Hst a Failed to Operate.Caused by Relay Transistor Failure Due to Moisture Condensation Inside Housing.Trigger Repaired
References
NUDOCS 8107310301
Download: ML20009F557 (1)

LER-1981-036, Forwards LER 81-036/03L-0

Event date:
Report date:
2591981036R00 - NRC Website

text

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l'50 Chestnut Street Tower II E t July 15, 1981 c>]

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Mr. James P. O'Reilly, Direr:or I

h U.S. Nuclear Regulatory Commission

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=s Office of Inspection and Enforcement oi JULj41981* -f Regian II m

101 Marietta Street, Suite 3100

. A,,,,,comssat Atlants, Georgia 30303 QA 7

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Dear Mr. O'Reilly:

w TENNESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-259/81036 The enclosed report provides details concerning horizontal seismic trigger HST A which did not operate while performing biaxial seismic switch (HS-3) tests. This report is submitted in accordance with Browns Ferry unit 1 Technical Specification 6.7.2.b(2).

Very truly yours, TENNESSEE VALLEY AUTHORITY

. hr,4%

1. J. Green irector of Ndclear Power Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Informat!on and Program Control U.S. Nuclear Regulatory.Commis. zion Washington, DC 20555 Director (40)

Office of Inspection and Enforcement U.S. Juclear Regulatory Commission Washington, DC 20555 I

Mr. nill Lavallee Nuclear Safety Analysis Center Palo Alto, California 94303 ff Mr. R. F. Sallivan, NRC Inspector, Browns Ferry

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