What was found
IAH - FLIGHT 4095, THE CREW REPORTED THAT A LANDING GEAR AIR/GND FAIL MESSAGE APPEARED BEFORE THE GEAR WERE FULLY RETRACTED, AND DISAPPREARED AFTER FULL RETRACTION. THE AIRCRAFT CONTINUED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT MAIN LANDING GEAR LOWER PROXIMITY SENSOR, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.