As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. AIRFRAME VIBRATION DURING CLIMB AT 330KTS- FL220. SLOWING TO 300KTS STOPPED VIBRATION. MAINTENANCE FOUND EXCESSIVE WEAR ON RIGHT HAND NOSE LANDING GEAR AFT DOOR HINGE FITTINGS. REPLACED AFT DOOR HINGE FITTINGS PER AMM 32-22-13. (SEE ALSO AALA201704279009).