As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, FLIGHT ATTENDANTS REPORTED SMELL OF SMOKE IN CABIN AND FLIGHT DECK. TURNED OFF RECIRC FAN BUT SMELL REMAINED WITH SMOKE EVIDENT. FLIGHT RETURNED TO MIA AND LANDED WITHOUT INCIDENT. MAINTENANCE CLEARED AIRCRAFT OF ALL SMELLS WITH EXTERNAL POWER. ALL SYSTEMS OPERATED NORMALLY.