05000259/LER-1981-023, Forwards LER 81-023/03L-0

Forwards LER 81-023/03L-0

ML20004D646
Person / Time
Site:	Browns Ferry
Issue date:	06/04/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20004D647	List: 05000259/LER-1981-023, Forwards LER 81-023/03L-0 05000259/LER-1981-023-03, /03L-0:on 810510,damaged Cable Heat Tray Detector Caused False Alarm Which Could Have Masked Other Alarms. Probable Cause of Damaged Heat Detector Attributed to Cable Pulling Crew.Heat Detector Replaced & Functionally Tested
References
NUDOCS 8106090610
Download: ML20004D646 (1)

LER-1981-023, Forwards LER 81-023/03L-0

Event date:
Report date:
2591981023R00 - NRC Website

text

l TENNESSEE VALLEY AUTHORITY CH ATT ANOOGA. TENNESS EC t74nt 1750 Chestnut Street Tower II

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June 4, 1981

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JUN 0 81981 m-Mr. James P. O'Reilly, Director

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U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region II N.s 9/

101 Marietta Street, Suite 3100, "f L p'V 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 OCCURREN':E REPORT BFRO-50-259/81023 The enclosed report provides details concerning a cable tray heat detector which was damaged causing a false alarm which could have masked alarms from other detectors which are required to be operable per Technical Specification 3.11.C l.

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 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 U.S. Nuclear Regulatory Commission

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1 Washington, DC 20555

[, S Mr. Bill Lavallee Nuclear Safety Analysis Center

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Palo Alto, California 94303 6

Mr. R. F. Sullivan, NRC Inspector, Browns Ferry 8106 090$[Q

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