What was found
RECEIVED A LAT FUEL IMBAL WARING AFTER 35 MIN OF FLIGHT. FUEL SYSTEM IN MANUAL AND PROPERLY CONFIGURED. RIGHT 17.8, CENTER 14.8, LEFT 20.2. QRH COMPLIED WITH TO CORRECT IMBALANCE. CREW VERBAL AFTER FUEL WAS BALANCED AND MESSAGE CLEARED. RECEIVED LAT FUEL IMBALANCE A SECOND TIME AND NOTIED FUEL QTY WAS INCREASING IN TANK NR 1, WHILE NR 2 AND 3 DECREASED. ENGINE FUEL BURN WAS EQUAL ACROSS ALL THREE ENGINES. R&R THE FUEL SHUTOFF VALVE CONTROLLER PER MD-11 M/M 28-21-02-4. REPLACED THE LEFT WING REFUEL/DEFUEL MANIFOLD ASSY PER MD-11 M/M 28-00-00-4. ALL PARTS WERE LEAK CHECKED AND OPS CHECKED GOOD.