As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VIBRATION FROM NOSE LANDING GEAR AREA WAS EXPERIENCED AFTER TAKEOFF. FLIGHT RETURNED TO DTW. INSPECTED AND FOUND RIGHT FORWARD GEAR DOOR HANGING DOWN AND DOOR LINK LOCKING UP INTERMITTENTLY. REPLACED THE RIGHT NOSE GEAR DOOR LINK. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.