As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH- FLIGHT 2833, DURING LANDING THE CREW NOTED THAT THE LANDING GEAR LEVER DISAGREE MESSAGE ILLUMINATED. IAH- MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT IAW EMB-145 MM 32-32-01 AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.