As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT NOTICED ODD NOISE DURING GEAR RETRACTION AND SUBSEQUENT EXTENSION. INSPECTION ON GROUND REVEALED PART OF SHAFT ASSY THAT CLOSES GEAR DOORS BROKEN ALLOWING DOORS TO FLAP IN FLIGHT. SUBMITTER SUSPECTS NOISE HEARD BY PILOT WAS NOSE GEAR FORCING ITS WAY THROUGH DOORS HELD CLOSED BY AIR PRESSURE AS AIRCRAFT WAS FLYING.