As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK, NR 3 ENGINE IN FLIGHT FIRE. BOTH NACELLE TEMPS 8.5. NR 3 ENGINE FIRE HANDLE PULLED. NR 3 ENGINE EGT 924 DEG WITH REDUCED POWER, T/O OF 104.3 POWER REMAINED AT 103.0 FOR 6 TO 7 MINUTES. REMOVED AND REPLACED NR 3 ENGINE EDP, RETURN PRESSURE AND CASE DRAIN FILTER. PERFORMED ENGINE RUN-UP. OPS CHECK SATISFACTORY PER MM 29-11-05. FOUND 1-EACH PNEUMATIC DUCTING RUPTURE BELOW OVER PRESSURE S/O VALVE. REPLACED DUCT ASSY. PERFORMED ENGINE RUN-UP, OPS CK SATISFACTORY AS PER MM 78-34-00.