As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFT CARGO TEMPERATURE INDICATION 194 DEGREE WITH HOT AIR VALVE CLOSED. AN EMERGENCY WAS DECLARED AN THE AIRCRAFT DIVERTED TO MIA WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED AFT CARGO TEMPERATURE SENSOR 14HC AND ACCOMPLISHED A SATISFACTORY OPERATIONAL TEST PER AMM 21-43-15.