As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RTB DUE NR 1 ENG FUEL CONTROL CB POPPED. UNABLE TO RESET DUE FMU NIS MAN. REMOVED AND REPLACED NR 1 FMU AND OPS CK OK. REPLACED LEFT ENG FUEL UNIT PER MM, ACCOMPLISHED TWO LEFT E STARTS BOTH GOOD. LEAK CHECKED LEFT ENG FMU/NO LEAKS. LEFT E PIMU HAS NO FAULTS NOTED. LEFT ENG EEC C1 STATUS MSG EXTINGUISHED AND C/B STAYED SET.