As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION, EXCESSIVE VIBRATION IN NOSE WHEEL AREA. EXTENDED GEAR AND DECLARED EMERGENCY. VIBRATION CONTINUED AFTER GEAR EXTENSION. FOUND RT NOSE GEAR DOOR LINK BROKEN. REMOVED AND REPLACED RT FWD DOOR LINK PER MM. NOSE GEAR AND DOORS OPERATE NORMAL.