As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THE LANDING GEAR HANDLE WOULD NOT MOVE TO THE UP POSITION. THE CREW PERFORMED AN OVER-RIDE TO RETRACT GEAR. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT (LGEU). THE GEAR OPERATIONALLY TESTED GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.