As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NOSE GEAR FAILED TO EXTEND WHEN THE GEAR HANDLE WAS PLACED DOWN. A UNUSUAL GRINDING NOISE WAS HEARD DURING GEAR EXTENTION. BLOW DOWN AND D-RING FAILED TO DROP GEAR. LOW FLYBY CONFIRMED NOSE GEAR STILL IN WHEEL WELL. ON GO AROUND GEAR DOORS OPENED. APPLIED POSITIVE G-FORCE AND THE NOSE GEAR CAME DOWN & LOCKED.