What was found
90 MINUTES INTO FLIGHT RECEIVED LATER FUEL IMBALANCE WITH FUEL CONTROLLER IN AUTO. RAN QRH AUTO CONTROLLER RESOLVED IMBALANCE OF TNK 14000 LBS HEAVY. APPROXIMATELY 10 MINUTES LATER FP/R FUEL LOG INDICATED A CHANGE OF 2000 LBS UNACCOUNTED FOR AND INCREASING OVER TIME. THEN RECEIVED LVL 2 ALERT: FUEL OFF SCHEDULE. RAN QRH AND PUT FUEL SYS CONTROLLER IN MANUAL. OVER NEXT 20 MINUTES EFOB AT DESTINATION CONTINUED TO DECREASE AND T/O FUEL MINUS USED CONTINUED TO INCREASE. REMOVED AND REPLACED NR 1 INBOARD AND OUTBOARD MJP IAW MM-28-41-40-4, LEAK CHECK GOOD. OPS TEST CHECKED GOOD IAW MM 28-41-00-5.