As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH- THE CREW NOTED THAT THE LANDING GEAR MASTER WARNING DISAGREE ILLUMINATED AND RETURNED TO IAH WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT INBOARD WEIGHT ON WHEELS PROX SWITCH, PERFORMED A OPERATIONAL CHECK OF THE LANDING GEAR SYSTEM, NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.