As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPROX 10 MINUTES INTO FLIGHT, THE FLIGHT CREW REPORTED NR 2 ENGINE FIRE INDICATION AND DIVERTED. 1 FIRE BOTTLE WAS BLOWN AND THE INDICATION WENT AWAY. DISCOVERED THE FAULT TO BE WITH IN THE NR 2 FDCU AND REPLACED IT IAW THE AMM. THE FIRE BOTTLE WAS REPLACED AND A WIND MILL INSPECTION WAS COMPLETED AND THE ACFT WAS RETURNED TO SERVICE.