As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLIGHT ATTENDANTS REPORTED SMOKE IN THE CABIN. CREW DESCENDED TO 8000 FT SMOKE DISAPPEARED AND REOCCURED SEVERAL TIMES DURING CABIN FIRE CHECK LIST AND SMOKE REMOVAL CHECK LIST. EMERGENCY DECLARED LANDED MIA WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED POWERPORT HARNESS AT ROWS 20 AND 24.