As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOUD VIBRATION WHEN GEAR CAME UP. FOUND RT NLG DOOR HANGING DOWN. PERFORMED VISUAL INSPECTION OF DOORS AND HINGE AREA. NO DEFECTS NOTED. CLOSED NOSE GEAR DOORS PER STANDARD PRACTICES OUTLINED IN DC9 MM 32-00. DOORS REMAINED LOCKED NORMALLY.