As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWA - FLT 3794 - AFTER TAKEOFF, CREW RECEIVED PITCH TRIM MAIN AND PITCH TRIM BACKUP INOPERATIVE MESSAGE. PERFORMED AOM PROCEDURES AND PITCH TRIM WAS NOT REESTABLISHED. CREW ELECTED TO RETURN TO FWA. MAINTENANCE REMOVED AND REPLACED THE HORIZONTAL STABILIZER CONTROL UNIT IAW EMB MM. OPERATIONAL CHECK WAS SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE. (M)