As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF THE GEAR HANDLE WAS SELECTED UP AND THE NOSE LANDING GEAR DID NOT RETRACT, THE CHECK LIST WAS FOLLOWED, THE GEAR WAS SELECTED DOWN AND INDICATIONS WERE THEN SAFE, THE AIRCRAFT LANDED WITH OUT INCIDENT AT KMKE. DURING TROUBLESHOOTING THE NOSE WHEEL STEERING UNIT WAS FOUND AT FAULT AND REPLACED.