What was found
ON FLIGHT 3059 AFTER TAKEOFF THE CREW REPORTED A "LANDING AIR / GROUND FAIL" MESSAGE ON EICAS. THE CREW PERFORMED AIRCRAFT OPERATING MANUAL PROCEDURES AND ALL INDICATIONS WERE GOOD FOR A LANDING. THE CREW DECLARED AN EMERGENCY. CRASH, FIRE, AND RESCUE WERE CALLED OUT AS A PRECAUTION. THE AIRCRAFT LANDED SAFELY WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED CLEARANCE GAP ON RIGHT NR 2 PROXIMITY SWITCH IAW EMB 140 AMM 32-63-05. PERFORMED FUNCTIONAL CHECK OF PROXIMITY SWITCHES IAW EMB 140 AMM 32-63-05. THE OPERATIONAL CHECKS WERE GOOD. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.