05000296/LER-1981-033, Forwards LER 81-033/03L-0

Forwards LER 81-033/03L-0

ML20010A008
Person / Time
Site:	Browns Ferry
Issue date:	07/30/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010A009	List: 05000296/LER-1981-033, Forwards LER 81-033/03L-0 05000296/LER-1981-033-03, /03L-0:on 810706,,diesel Generator Redundant Start Relay Time Delay SFD1 Exceeded 4.4-S Test Time.Caused by Pneumatic Time Delay Relay Drifting Out of Tolerance.Relay Timed,Tested & Returned to Svc
References
NUDOCS 8108100377
Download: ML20010A008 (1)

LER-1981-033, Forwards LER 81-033/03L-0

Event date:
Report date:
2961981033R00 - NRC Website

text

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TENNESSEE VALLEY, UTHO.RITY cHATTANOOGk[ T'EN'NIiES C 74o1; nTt ec_:.

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f July 30, 1981 Mr. James P. O'Reilly, Director U.S. Nuclear Regulatory Commission ggg)er w Office of Inspection and Enforcement 9a0 j4 Region II h

p yr 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

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Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR PLANT UNIT 3 - DOCKET NO. 50-296 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-296/81033 The enclosed report provides details concerning diesel generator 3C redundant start relay SFD1 time delay which exceeded 4.4 seconds.

This report is submitted in accordance with Browns Ferry unit 3 Technical Specification 6.7.2.b(2).

Very truly yours, TENNESSEE VALLEY AUTHORITY F. J. Gre6n

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irector 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 Washington, DC 20555 Mr. Bill Lavallee Nuclear Safety Analysis Center Palo Alto, California 94303 Mr. R. F. Sullivan, NRC Inspector, Browns Ferry 8108100377 810730 PDR ADOCK 05000296 An Equal Opportunity Employer

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PDR