As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI - FLT 105 - AFTER GEAR RETRACTION FOLLOWING TAKEOFF, AIRCRAFT HAD LOAD NOISE AND VIBRATION. INSPECTION FOUND AIRCRAFT RIGHT GEAR DOOR DOWN AND UNLOCKED. INSPECTED DOOR FOR DAMAGE AND NO DAMAGE WAS FOUND, CLOSED AND SECURED DOOR IAW AIRCRAFT MM 32-30-00. (M)