05000259/LER-1980-013, Forwards LER 80-013/03L-0

Forwards LER 80-013/03L-0

ML19296C539
Person / Time
Site:	Browns Ferry
Issue date:	02/22/1980
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19296C540	List: 05000259/LER-1980-013, Forwards LER 80-013/03L-0 05000259/LER-1980-013-03, /03L-0:on 800124,during Refueling Operations,Time Delay Relay 2E-K 34 of Automatic Depressurization Sys Timed Out at 93-s.Caused by Random Mechanical Failure.Relay, Agastat Model 7012SE Replaced & Set within Tolerance
References
NUDOCS 8002260616
Download: ML19296C539 (1)

LER-1980-013, Forwards LER 80-013/03L-0

Event date:
Report date:
2591980013R00 - NRC Website

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716 Edney Building FEB 2 21980 Mr. James P. O'Reilly, Director U.S. Nuclear Regulatory Commission Off.,ce of Inspection and Enforcement Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTliORITY - BROWNS FERRY NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-259 - FACILITY OPERATING LICDISE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-259/8013 The enclosed report providas details concerning time delay relay 2E-K 34 of the ADS system wnich timed out outside of Technical Specification table 3.2.3 requirement of 120 + 5 seconds during refueling operations. This risort is submitted in accordance with Browns Ferry unit 1 Technical Specification 6.7.2.b.l.

Very truly yours, TENNESSEE VALLEY AUTliORITY J. R. Calhoun 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

_k Washington, DC 20555 Mr. Bill Lavallee Nuclear Safety Analysis Center Palo Alto, California 94303 Mr. R. F. Sullivan, NRC Inspector, Browns Ferry I

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