What was found
IAH - FLIGHT 2197, THE CREW REPORTED A LANDING GEAR AIR/GRND FAIL WITH A LOCKED SELECTOR LEVER AFTER TAKEOFF FROM MCI. THE MESSAGE CLEARED ITSELF, AND THE CREW WAS ABLE TO RETRACT THE LANDING GEAR AND CONTINUE TO IAH WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LGEU (LANDING GEAR ELECTRONICS UNIT), OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.