As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF MIA EXPERIENCED NOISE AND VIBRATION IN NOSE LANDING GEAR AREA. RETURNED TO MIA AND LANDED WITHOUT INCIDENT. INSPECTION REVEALED NOSE GEAR DOORS OPEN AND DOOR LINK ASSEMBLIES NOT LOCKING IN RETRACTED POSITION. REMOVED AND REPLACED LINK ASSEMBLIES, PERFORMED GEAR RETRACTION TEST AND PERFORMED OVERWEIGHT LANDING INSPECTION. AIRCRAFT RETURNED TO SERVICE. (M)