As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASH 7219 - BNA-DEN - DURING CLIMB-OUT, THE MACH TRIM AND STAB TRIM BOTH FAILED AND WOULD NOT RE-ENGAGE. THE FLIGHT CONTINUED TO DEN. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE STAB TRIM CONTROL PANEL AND THE MCU. OPS WERE NORMAL. WAITING PART INFO MOTOR CONTROL UNIT P/N 7074-4 S/N 267 (SFIM)