ML20084T884

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LER BFRO-50-259/7618:on 760903,smoke Detector Panel Failed to Operate.Caused by Water Entering Panel from Concrete Drilling Operation.Work Instructions Revised to Ensure Fire Alarm Panels Adequately Protected
ML20084T884
Person / Time
Site: Browns Ferry Tennessee Valley Authority icon.png
Issue date: 09/29/1976
From: Fox H
TENNESSEE VALLEY AUTHORITY
To: Moseley N
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
LER-BFRO-50-259-761, NUDOCS 8306240242
Download: ML20084T884 (3)


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TENNESSEE VALLEY AUTHORITY CH ATTANOCG A TENNESSEE 374o1 4

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%e..et September 29, 1976 p \\)$.!.! @

Mr. Nor=an C. Moseley, Director

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230 Peachtree Street, NW., 8th Floor Atlanta, Georgia 30303

Dear Mr. Moseley:

b' TENNESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR FIANT UNIT 1 -

DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCEREPORTBFROQO-259176183 The enclosed report is to provide details concerning a smoke detector panel that failed to operate after water from a concrete drilling operation entered the panel. This report is subuitted in accordance with Browns Ferry Technical Speci11 cations Section 6.

This event occurred on Brovns Ferry Nuclear Plant unit 1 Very truly yours, TENNESSEE VALLEY AUTHORITY

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H. S. Fo.x Director of Power Production Enclosure (3)

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Office of Management Infor=ation and Program Control U.S. Nuclear Regulatory Commission Washington, D.C.

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