ML20085G392

Telecopy AO BFAO-7319T:on 731001,reactor Water Cleanup Sys Isolation Valve FVC-69-12 Failed.Caused by Problem W/Drive Gear Train.Isolation Valve Manually Closed & Investigation & Repair Continued

ML20085G392
Person / Time
Site:	Browns Ferry
Issue date:	10/02/1973
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20085G391	List: ML20085G389 ML20085G392
References
AO-BFAO-7319T, NUDOCS 8308290040
Download: ML20085G392 (1)

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TBB232(1338)(2-10481SE275)PD 10/02/73 1338 ICS IPMBNGZ CSP 2057298316 TDBN ATHENS AL 69 10-02 0133P EST FON 4045264503 I

US ATOMIC ENERGY COMMISSION REGION II DIRECTORATE OF REGULATORY OPERATIONS 230 PEACHTREE

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Si'DdRTHWEST ATLANTA GA 30303 SUBJECT BFAO-7319T ON OCTOBER 1 1973 DURING ROUTINE SURVEILANCE

' TESTING REACTOR WATER CLEAN UP SYSTEM ISOLATION VALVE FCV-69-12 WAS FOUND TO BE INOPERABLE THE REACTOR WAS OPERATING AT APPROXIMATELY 8 PERCENT POWER 1,000 PSIG REACTOR PRESSURE THE ISOLATION VALVE WAS MANUALLY CLOSED AND THE CLEAN UP SYSTEM ret 0VED FROM SERVICE PRELIMINARY INVESTIGATION SHOWS THAT THE PROBLEM WAS IN THE l DRIVE GEAR TRAIN INVESTIG ATION AND REPAIR IS CONTINUING l H J GREEN BROWNS FERRY NUCLEAR PLANT l

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