As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT 3173 - THE CREW REPORTED A LANDING GEAR/ AIR GROUND FAIL MESSAGE WHEN GEAR RETRACTED. THE AIRCRAFT RETURNED TO CLE AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED THE NOSE LANDING GEAR AND REPACKED THE NOSE STRUT. OPERATIONAL CHECKS WERE GOOD.