ML20085G839

Telecopy Ro:On 741030,recirculation Pump Run Back to Min Speed.Caused by Low Feedwater Flow Interlock.Reactor Power Increased Above Required Limit for Rod Sequence Control Sys Operability by Increasing Recirculation Flow

ML20085G839
Person / Time
Site:	Browns Ferry
Issue date:	10/31/1974
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20085G837	List: ML20085G836 ML20085G839
References
NUDOCS 8308290425
Download: ML20085G839 (1)

Text

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= F - AT 2154 HOURS OCTOBER 30 1974 WHILE UNIT 2 WAS OPERATING AT = P 26 0/0 REACTOR POWER CONDUCTING A START' UP TEST THE LOW FEED , m E WATER FLOW INTERLOCK CAUSED RECIRCULATION PUMP TO. RUNBACK TO k n MIMIMUM SPEED. REACTOR POWER DROPPED T0- 17 0/0 BEFORE RSCS OPERABILIT - = - i- Y WAS CONFIRMED BY SURVEILLANCE TESTING. REACTOR POWER WAS SUBSEQUENT ' [ LY INCREASED ABOVE THAT REQUIRED FOR RSCS OPERABILITY BY. INCREASING ;e - t . [ 5MS 9tECIRCULATION FLOW AND OPERATION CONTINUED w- # h Y ,1, . I:

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