What was found
CREW REPORT - RIGHT ENGINE FIRE T-HANDLE ILLUMINATED IN FLIGHT, MEMORY ITEMS & QRH EMERGENCY PROCEDURES CHECKS WAS FOLLOWED. AIRCRAFT DEPARTED BARRANQUILLA AIRPORT TO FORT LAUDERDALE(NON-REVENUE FLIGHT), DURING CRUISE FIRE WARNING ILLUMINATED. FLIGHT CREW DECIDED TO RETURN TO BARRANQUILLA AND AN UNEVENTFUL LANDING WAS MADE. MAINTENANCE INSPECTED THE #2 ENGINE AND FOUND NO SIGNS OF FIRE. TROUBLESHOOTING IS IN PROGRESS TO DETERMINE THE CAUSE OF THE FIRE WARNING.