What was found
ORD FLT 5896 THE CREW REPORTED A LANDING GEAR AIR/GROUND FAIL MESSAGE IN FLIGHT. MAINTENANCE INSPECTED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT AND THE LEFT MAIN GEAR DOWNLOCK PROXIMITY SWITCH. OPERATIONAL CHECKS WERE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD FLT 5896 THE CREW REPORTED A LANDING GEAR AIR/GROUND FAIL MESSAGE IN FLIGHT. MAINTENANCE INSPECTED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT AND THE LEFT MAIN GEAR DOWNLOCK PROXIMITY SWITCH. OPERATIONAL CHECKS WERE GOOD.