What was found
FRA - FLT 893 - CREW RECEIVED AN AIR/GROUND DISAGREE INDICATION SHORTLY AFTER TAKEOFF. FLIGHT RETURNED TO FRA AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE PROXIMITY SWITCH ELECTRONIC UNIT. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FRA - FLT 893 - CREW RECEIVED AN AIR/GROUND DISAGREE INDICATION SHORTLY AFTER TAKEOFF. FLIGHT RETURNED TO FRA AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE PROXIMITY SWITCH ELECTRONIC UNIT. (M)