As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUBE ASSEMBLY. DURING LANDING APPROACH THE NOSE GEAR DID NOT EXTEND, AND THE GEAR DOWN GREEN LIGHT DID NOT ILLUMINATE. AIRCRAFT LANDED AND NOSE GEAR COLLAPSED. INSPECTION REVEALED FAILURE OF NOSE GEAR TUBE ASSY. RECOMMEND THIS TUBE REPLACED BY ACCUMULATION OF CYCLES.