ML20085L979

Telecopy Ro:During Routine Testing,Check Light for Suppression Chamber to Drywell Vacuum Breaker FCV-64-28M Failed to Go Out

ML20085L979
Person / Time
Site:	Browns Ferry
Issue date:	02/21/1974
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20085L978	List: ML20085L972 ML20085L979
References
NUDOCS 8311070055
Download: ML20085L979 (2)

Text

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O SUBJECT BFAO=7411T AT CAM FEBRUARY 21 1974 0URING ROUTINE SURVEILLIEN CE TESTING OF SUPPRESSION CHAMBER TO DRYWELL VACUUM BREA'KER FCVa64-28H CHECK LIGHT FAILED TO Go OUT VALVE APPEARED TO OPERATE ()

PROPERLY BUT IS CONSIDER INOPERABLE FOR FULL CLOSURE DUE TO THE INOPERABLE CHECK LIGHT LIMIT SWITCH ALL OTHER VALVES OPERATE PROPERLY THE REACTOR WAS AT APPROXIMATELY 50 PERCENT POWER O H J GREEN BROWNS SPERRY NUCLEAR PLANT 17: 44 EST O MGMATLT HSB O

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