As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GEAR RETRACTION NOSE GEAR UNSAFE LIGHT CAME ON WITH A VIBRATION. AIRCRAFT RETURNED AND LANDED OVERWEIGHT. OVERWEIGHT LANDING INSPECTION COMPLIED WITH. NO DEFECTS NOTED. NOSE LANDING GEAR DOWNLOCK TARGET AND UPLOCK PROXIMITY SENSOR RIGGED OUT OF TOLERANCE. RIG TO WITHIN LIMITS.