As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: RATTLING ON RIDE SIDE OF AIRPLANE . SOUNDS LIKE ELECTRICAL DOOR OPEN. DECESION MADE TO RETURN TO MIA. EMERGENCY DECLARED AND AIRCRAFT LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE FOUND EXTERNAL POWER DOOR OPEN UPON ARRIVAL. INSPECTED DOOR NO DAMAGE FOUND IAW WORK CARD 08L00005013.