As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLIGHT ATTENDANTS REPORTED STRONG ELETRICAL SMELL IN CABIN. EMERGENCY DECLARED RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. INSPECTED ENGINES AND AUXILIARY POWER UNIT FOR OIL LEAKS AND NONE FOUND. OPERATED ALL GALLEY OVENS NO ABNORMAL ODORS NOTED. ACCOMPLISHED PACK BURN NO SMELL OF SMOKE OR OIL NOTED IN CABIN. REPLACED FILTERS. SYSTEM GROUND CHECK NORMAL OPERATION.