As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT 2917 - THE CREW REPORTED A LANDING GEAR AIR/GROUND FAIL MESSAGE ON CLIMB. THE AIRCRAFT RETURNED TO CLE AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND FOUND THE NOSE GEAR NOT FULLY EXTENDING. THE NOSE GEAR WAS REPACKED AND THE SLIDE TUBE UPPER CAM WAS REPLACED. OPERATIONAL CHECKS WERE GOOD.