As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA CREW REPORTED SMOKE IN CABIN. EMERGENCY DECLARED RETURNED MIA WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND FIRST CLASS OVENS WITH SPILLED GREASE. CLEANED DEBRIS FROM BOTH OVENS. SYSTEM GROUND CHECK NORMAL OPERATION. (CLOSED)