As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRFRAME VIBRATION/OSCILLATION OCCURRED IN FLIGHT. CREW DECLARED AN EMERGENCY AND FLIGHT WAS DIVERTED TO MEM. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND FORWARD AIRSTAIR DOOR HANDLE NOT COMPLETELY STOWED AND LOOSE. RESTOWED HANDLE. AIRCRAFT RETURNED TO SERVICE.