What was found
SUSPECT FUEL LEAK LT ENG. FUEL IMBALANCE AS MUCH AS 1.0K AND TOTALIZER /CALCULATED TO DIFF AS MUCH AS 2.5K. FUEL WAS BALANCED 2HR INTO FLIGHT, ALSO FUEL XFEED VALVE CHECKED SUCCESSFUL. PERFORMED A BIT PROCEDURES IAW AMM 28-41-00, WAS FAULTING PROCESSOR. REPLACED FUEL QTY PROCESSOR IAW AMM 28-41-08. PERFORMED BIT PROCEDURE WITH NEW PROCESSOR UNIT, GAVE FAULT CODE D2. RESET CIRCUIT BREAKERS FOR FQIS PROCESSOR UNIT AND RESET UNIT, PERFORMED OPS TEST OF FQIS, SUCCESSFUL IAW 28-41-00.