As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT DIVERTED TO MIA DUE TO IDLE POWER CONDITION FROM NR 1 ENGINE. *S/D* THE CAUSE WAS A FUEL LEAK FROM THE FUEL LINE FROM THE FUEL/OIL COOLER TO THE P&D VALVE. THIS LINE WAS MISSING A FERRULE AT THE P&D VALVE CONNECTION. THIS ENGINE HAD ONLY 370 HRS SINCE OVERHAUL. REPLACED P&D VALVE AND FERRULE ON FUEL LINE.