As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT NR TXG 1000 KMIA TO KLRD PERFORMED AN AIR-RETURN BACK TO KMIA. THE CAPTAIN REPORTED DURING CLIMB OUT AT 7,200 FT, THE MAIN CARGO DOOR LIGHT ILLUMINATED ON THE OVERHEAD PANEL. THE CAPTAIN FOLLOWED 7AIR QRH PROCEDURES AND RECEIVED PERMISSION FROM ATC TO RETURN KMIA. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED MAIN CARGO DOOR AND PERFORMED OPERATIONS CHECK. THE SYSTEM CHECK SATISFACTORY AND AIRCRAFT RETURNED TO SERVICE.