As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2047, THE CREW REPORTED THAT THE LANDING GEAR WOULD NOT RETRACT ON CLIMBOUT FROM ATL. THE CREW RAN THE QRH AND THE GEAR RETRACTED. THE AIRCRAFT CONTINUED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR CONTROL LEVER, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.