ML20085G776

Telecopy AO BFAO-7311T:on 730910,quick Start of HPCI Sys Failed.Pressure Reduced for Further Investigation After Sys Failed to Reach Quick Start in Automatic Mode for Second Time

ML20085G776
Person / Time
Site:	Browns Ferry
Issue date:	09/10/1973
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20085G770	List: ML20085G768 ML20085G776
References
AO-BFAO-7311T, NUDOCS 8308290351
Download: ML20085G776 (1)

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607P EDT SEP 10 73 AA194 AAD303(1703)(2-083562E253)PD 09/10/73 1703 O

ICS IPMS FUZ CSP 2057298316 TDBN ATHENS AL 79 09-10 0503P EST O PMS US ATOM IC ENERG Y QMMISSIO N, WUX DIRECT 0 RETE OF REGULATORY OPERATIONS 230 PEACH TREE ST O ATLANTA G A 30303 StBJECT B FAO 7311 T O

ON SEPTEMB ER 10 1973 D UR I?G INITIAL START UP TESTING AT 150 PSIG HPCI FAILED TO ACHIEVE RATED SPEED DURING AU1DMATIC QUICK O START IMMEDIATELY PRIOR TO THIS HPCI DID REACH RATED SPEED AND REQUIRED FLDW DURIN3 A MANUAL TEST AFTER REPLACING THE MAIN *,

CONTROL ROOM FLOW CONTROLLER AND CHECKI?G THE GOVER10R RAMP e CONTROLL CIRCUTITRY HPCI AGAIN FAILED TO REACH RATED CONDITIO NS IN -

• THE AUTOMATIC MODE REACTOR PRESSURE WAS REDUCED BELOW 122 PSIGy ) y M'j 4,,,gf CmMMOD ATE F URT HER STUD Y g , - 67ye

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