What was found
ON FLIGHT 3302 DURING CRUISE THE CREW REPORTED AN INFLIGHT LANDING AIR/GROUND FAIL MESSAGE ON EICAS FOLLOWED BY AN ENGINE 1 & 2 THRUST REVERSE DISAGREE MESSAGE. THE CREW DECLARED AN EMERGENCY AND LANDED AT DFW WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. SERVICED NOSE LANDING GEAR IAW 32-20-01. THE PROXIMITY SWITCH WAS NOT MAKING CONTACT DUE TO LOW STRUT. NO PARTS WERE REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.