ML18283B081

While Conducting Functional Test Which Required Interruption of RPS Power Supply Water Level on Unit 2 Decreased to 544 Inches Above Vessel Zero Due to Closure of RHR Injection Valve & Subsequent Opening of .

ML18283B081
Person / Time
Site:	Browns Ferry
Issue date:	06/09/1975
From:	Green H Tennessee Valley Authority
To:	Thornburg H NRC/IE, NRC/RGN-II
References
Download: ML18283B081 (2)

Text

Mailgram to N, C, Moseley from Tennessee Vale.ey Authority dated June 9~ 1975 DISTRIBUTION:

He De Thornbulgp IE XZ:Has (g)

Office of Standards Development

~gentral Files Division of Reactor Licensing (13)

PDR Local PDR NSXC TIC STATE

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'20572+8316 HGH TDBN ATHEt Al. 100 06 09 0521P EST ZIP US NUCI.EAR REGULATORY COHHISS ION 230 PEACH TREE ST NORTHWEST SUITE 818 ATLANTA GA 30303

)1 AT 2305 ON JUNE 8

1975 WHILK CONDUCTING 4

FUNCTIONAI. TEST W>ICH

-'3 REQUIRED INTERRUPTION OF A

RPS POWER SUPPLY WATER LEVEL ON UNIT '2 DECREASKO TO 540 INCHES ABOVE VESSEL ZERO DUE TO CLOSURE OF RHR INJECTION VALVE AND SUBSEQUENT OPENING OF THE HINIHUH FLOW VALVE WATER LEVEL <AS RESTORED TO NORMAL WI THIN 5 MINUTES ~

THE CRD PUMP TRIPPED FOLLOWING THE REACTORS SCRAM H J GREEN BROWNS FERRY NUCI.EAR PLANT TENNESSEE VALLEY AUTHORITY PO BOX 2000 DECATUR Al. 35601 17t21 EST HGHATLT HSB