As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT 5740 - CREW REPORTS, RT ENGINE FIRE WARNING INDICATION ON TAKEOFF. NO FIRE OR SMOKE NOTED. FEATHERED AND SHUTDOWN THE ENGINE AND RETURNED TO MIA. CFR WAS NOTIFIED. ACFT LANDED WITHOUT INCIDENT. REPLACED FIRE CONTROL UNIT AND OPS CHECK GOOD.