ML20085G808

Telecopy AO BFAO-7310:on 730908,three Differential Pressure Switches Exceeded Tech Spec Limit

ML20085G808
Person / Time
Site:	Browns Ferry
Issue date:	09/09/1973
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20085G803	List: ML20085G796 ML20085G808
References
AO-BFAO-7310, NUDOCS 8308290376
Download: ML20085G808 (1)

Text

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O O-BFAO 7310 ON SEPTEMBER 81973 DURING ROUTINE SURVEILANCE THREE OF EIGHT PR ESSUR E DIFFERENTI AL SWI TCHES WERE FOUND TO EXCEED THEIR LI MI T OF EQ UA L TO OR LESS THA N TWO PSI D TH ESE SWITCH ES O

AR E USED IN THE LPCI BREAK DETECTION LOGIC AND RECIRCULATING PUMP RUNNING LOGIC THREE SWITCHES IN ONE TRIP SYSTEM AND TWO SWITCHES TH E OTH ER TRIP SYSTEM WERE FOUND ACCEPTABLE O

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