What was found
ON CLIMB OUT WITH ALL FUEL PUMP SWITCHES ON 6000 LBS IN CENTER AND MAINS FULL, NR 1 TANK WAS DEPLEATING FUEL CENTER. ALSO I TURNED OFF TU NR 1 PUMPS AT 960 LB IMBALLANCE. USED CENTER TANK FUEL TO DESTINATION. DRIP STICK ON RT & LT MAIN FUEL TANKS. FOUND TO BE OK FOUND LT CENTER TANK FUEL BOOST PUMP INOPERABLE. AMENDED MEL FROM 28-3-05 TO 28-2-04, REF L/P #1485944 & L/P 0270696 FOR MEL REF AMM 23-41-00 CONTACTOR-3230074.