As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK IN FLIGHT SHUT DOWN. FIRE INDICATION FOR NR 2 ENGINE. DISCHARGED FIRE BOTTLES. REMOVED AND REPLACED NR 2 ENGINE LOWER FIRE LOOP AND FIRE CONTROL PANEL. CLEANED ALL FIRE LOOP ENDS AT FIRE WALL. OPS CHECK GOOD PER MM. (CONTROL PANEL P/N 69-37307-112).