As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUN - DURING DESCENT AT APPROXIMATELY 230 KTS, THE CREW RECEIVED A PITCH TRIM CAUTION LIGHT AND AUTO TRIM FAIL MESSAGE ON THE PFD. ELEVATOR TRIM FAIL MESSAGE WAS ALSO RECEIVED. MAINTENANCE INSPECTED THE AIRCRAFT AND RETRIEVED THE FAULT CODES 67,63,E7, AND E3. THE SERVICE LETTER DH8-400-SL-27-003 WAS COMPLIED WITH AND THE FAULTS WERE CLEARED. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RETURNED TO SERVICE.