05000259/LER-1979-011, Forwards LER 79-011/03L-0

Forwards LER 79-011/03L-0

ML19242A388
Person / Time
Site:	Browns Ferry
Issue date:	07/27/1979
From:	Fox H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19242A389	List: 05000259/LER-1979-011, Forwards LER 79-011/03L-0 05000259/LER-1979-011-03, /03L-0 on 790628:scram Discharge Level Switch, LS-85-45B,found Failed in Unsafe Direction.Caused by Buildup of Foreign Matl in Pivot Pin Area Which Prevented Movement of Switch Actuator Rod.Swich Was Cleaned
References
NUDOCS 7908010548
Download: ML19242A388 (1)

LER-1979-011, Forwards LER 79-011/03L-0

Event date:
Report date:
2591979011R00 - NRC Website

text

TENNESSEC VALLEY AUTHORITY CH ATTANOOC A. TENNESSEE 37401 716 F3ney Building i

July 27, 1979 Hr. James P. O'Reilly, cetor U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region II

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101 Marietta Street, Suite 3100 Atlenta,, Georgia 30303

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRDICE REPORT BFRO-50-259/7911 The encicsed report providea details concerning acran discharge level switch, LS-8 945B, which was found failed in the unsafe direction during normal operation while perforning Surveillance Instruction 4.1.A-8.

Thio report to cubmitted in accordance with Browns Ferry unit 1 Technical Specification 6.7.2.b.2.

Very truly yours, TENNESSEE VALLEY AUTHORITY U. S. Fox Directot of Power Production Enclosura (3) cc (Enclosure):

Director (3)

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Office of Managcuent Information and Program Control U.S. Nuclear Regu*atory Commission

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Washington, D.C.

20555

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Director (40)

Office of Inspection and Enforcenen U.S. Nucinar Regulatory Comnission Washington, D.C.

20555 R. F. Sullivan, NRC Inspector, Browns Ferry

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