As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. NOISE FROM FAN MOTOR THEN SMOKE SMELL IN COCKPIT. CREW USED OXYGEN MASK IN FLIGHT DECK, BUT THE CABIN OXYGEN MASKS WERE NOT DEPLOYED. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MCO WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. FOUND AEVC BLOWER FAN BEARING FAILED REPLACED BLOWER FAN AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK, PER AMM 21-26-51.