As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLT 2632 - THE CREW REPORTED AN AIR/GROUND FAIL MESSAGE. MAINTENANCE INSPECTED AND COULD NOT DUPLICATE BUT CHANGED THE LGEU, ADJUSTED 1 PROXIMITY SWITCH ON LEFT AND RIGHT GEAR AND ADJUSTED NOSE PROXIMITY SWITCH TARGET ON THE NOSE GEAR AND CHANGED THE NOSE GEAR PROXIMITY SWITCH CONNECTOR. ALSO RELAYS KO453, KO352, AND KO353 WERE REPLACED. OPERATIONAL CHECKS OF THE GEAR WERE GOOD.