05000259/LER-1981-034, Forwards LER 81-034/03L-0

Forwards LER 81-034/03L-0

ML20009C636
Person / Time
Site:	Browns Ferry
Issue date:	07/14/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C637	List: 05000259/LER-1981-034, Forwards LER 81-034/03L-0 05000259/LER-1981-034-03, /03L-0:on 810616,seismic Trigger Hst C Did Not Operate During Testing.Caused by Failure of Relay in Kinemetrics Model HS-3 Horizontal Seismic Trigger Due to Moisture Condensation Inside Housing.Relay Replaced
References
NUDOCS 8107210303
Download: ML20009C636 (1)

LER-1981-034, Forwards LER 81-034/03L-0

Event date:
Report date:
2591981034R00 - NRC Website

text

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.7 1750 Chestnut Street Tower II July 14, 1981 c0 V

Mr. James P. O'Reilly, Director

%j U.S. Nuclear Regulatory Commission gj I

Office of Inspection and Enforcement Y f Q (*, p //

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Region II c

k 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 y

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Dear Mr. O'Reilly:

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TENNESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-259/81034 l

The enclosed report provides details concerning seismic trigger HST C shich did not operate during biaxial seismic switches (HS-3) tests.

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

Very truly yours, TENNES3EE VALLEY AUTHORITY t. J. Green iirector of Nuclear Power

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Enclosure (3)

.,cc (Enclosure):

Director (3)

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

Office of Inspection and Enforcement

{g U.S. Nuclear Regulatory Commission Washington, DC 20555 5

Mr. Bill Lavallee

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Nuclear Safety Analysis Center Palo Alto, California 94303 Mr. R. F. Sullivan, NRC Inspector, Browns Ferry s

- c 8107210303 810714 PDR ADOCK 05000259 S

PDR