As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT#2268 THE CREW REPORTED A LANDING GEAR AIR/GROUND FAIL MESSAGE ON THE ECIAS.MAINTENANCE INSPECTED AND REPLACED THE LEFT MAIN LANDING GEAR NR 2 PROXIMITY SWITCH AND THE LANDING GEAR ELECTRONIC UNIT.OPERATIONAL CHECKS WERE GOOD.PROXIMITY SWITCH P/N 8-527-01 S/N A27260