ML20085M647

Telecopy AO BFAO-7341T:on 731116,during Accelerated Surveillance Testing,Reactor Water Level Switches LIS-3-203A,B & C Operated Outside Tech Specs

ML20085M647
Person / Time
Site:	Browns Ferry
Issue date:	11/18/1973
From:	Groves J TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20085M645	List: ML20085M644 ML20085M647
References
AO-BFAO-7341T, NUDOCS 8311090133
Download: ML20085M647 (1)

Text

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US ATOM IC ENERG Y COMM ISSIO N R EG IO N II D IRECTOR ATE O F REG ULATO RY OPNS 230 PEACHTREE ST N'4 ATLANTA G A J/.U' BFA07341T ON NOV 16 1973 DURItG EXCELERATED SURVEILLANCE TESTING REACTOR WATER LEVEL SWITCHES LIS-3-203tB &C WERE FO UND TO OPERATE

) l OUTSIDE TECHNICAL SPECIFICATIONS SETPOINT LIMIT LIS-3-203A&C '

HIGH LEVEL TECHNICAL SPECIFICATIONS SETPOINT IS LESS THAN OR EQUAL TO 583 INCHES THE SWITCHES WERE FOUND TO OPERATE AT 583

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AND O NE HALF AND 585 INCHES RESPECTIVELY LIS-3-203B WAS FO UND TO EXCEED THE LOW LEVEL TECHNICAL SPECIFICATIONS SETPOINT OF .

l GREATER THAN OR EQUAL 10 538 INCHES IT OPERATED AT 537 INCHES

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