As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TROUBLESHOOTING AN AIRFRAME VIBRATION ISSUE, THE RIGHT NOSE LANDING GEAR AFT DOOR HINGE FITTING BETWEEN FRAMES 18 TO 20, YT449 WAS FOUND TO HAVE EXCESSIVE PLAY. REPLACED THE RIGHT NOSE LANDING GEAR AFT DOOR HINGE FITTING IAW AMM 32-22-13-410-0001-A.