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 LEVER WOULD NOT MOVE TO THE UP POSITION. THE CREW PERFORMED A MANUAL OVERRIDE TO RETRACT THE GEAR. THE AIRCRAFT LANDED WITHOUT INCIDENT AT IAH WHERE MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR CONTROL LEVER. THE GEAR OPERATIONALLY TESTED GOOD AND THE AIRCAFT WAS RETURNED TO SERVICE.