As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - INFLIGHT T1428/31, GEAR DOWN WOULD NOT RETRACT AFTER TAKEOFF. CREW RETURNED GEAR HANDLE TO DOWN POSITION AND FLEW GEAR DOWN TO DFW. LANDED WITHOUT INCIDENT. REPLACED GEAR DOOR BYPASS HANDLE LATCH ASSEMBLY AND RIGHT MAIN LANDING GEAR DOOR ASSEMBLY. SYSTEM GROUND CHECKED NORMAL OPERATION.