As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE FIRE WARNING ALERT IN FLIGHT, EICAS MESSAGE: FIRE RIGHT ENGINE. STATUS PAGE: RIGHT ENGINE FIRE LOOP 1 AND 2. SECURED RIGHT ENGINE, NO FIRE BOTTLES USED. AIR TURNBACK TO MIA. REMOVED AND REPLACED RIGHT ENGINE LOWER AFT FIRE DETECTION LOOP IAW B767 MM 26-11-02. BITE AND RUN UP TEST NORMAL.