As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE OF FLIGHT 7387 CREW REPORTED A STAB/MACH TRIM FAILURE. THE CREW DIVERTED TO NEAREST SUITABLE FIELD AND FLIGHT LANDED UNEVENTFULLY. THE HORIZONTAL STABILIZER TRIM CONTROL UNIT WAS REPLACED AND A SATISFACTORY OPERATIONAL CHECK PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.