As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 2546 - CREW REPORTED THAT THE PITCH TRIM 1 AND 2 FAIL MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO IAH AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE HORIZONTAL STABILIZER CONTROL UNIT (HSCU). THE AIRCRAFT WAS OPERATIONALLY TESTED AND APPROVED FOR RETURN TO SERVICE.