As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLIGHT 2114 DURING CLIMB THE CREW REPORTED A LANDING GEAR LEVER DISAGREE EICAS MESSAGE, AND THREE RED X'S ON THE EICAS. THE AIRCRAFT RETURNED TO DFW WHERE IT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS FERRIED TO IAH WHERE MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR SELECTOR LEVER, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.