As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH-UPON TAKEOFF THE CREW NOTED THAT THE GEAR WOULD NOT RETRACT WITHOUT OVERRIDE USAGE. THE AIRCRAFT RETURNED TO IAH WITHOUT INCIDENT WHERE MAINTENANCE REPAIRED A WIRE ON THE RIGHT HAND AIR/GROUND PROX SWITCH. PERFORMED AN OPERATIONAL CHECK OF THE LANDING GEAR SYSTEM, NO DEFECTS NOTED AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.