As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF MIAMI FELT SEVERE VIBRATION. RETURNED TO MIAMI AND LANDED WITHOUT INCIDENT. INSPECTION REVEALED RT NOSE LANDING GEAR DOOR OPEN. CLEANED, LUBED AND RESET RT FWD DOOR ROD AND OPS CHECKED OK. PERFORMED OVERWEIGHT LANDING INSPECTION. RETURNED ACFT TO SERVICE.