What was found
AUTOPILOT TRIPS OFF LINE AND LOST MACH TRIM. PRIMARY, SECONDARY AND MACH TRIM FAILED, ALL AT THE SAME TIME, PRIOR TO LANDING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AUTOPILOT TRIPS OFF LINE AND LOST MACH TRIM. PRIMARY, SECONDARY AND MACH TRIM FAILED, ALL AT THE SAME TIME, PRIOR TO LANDING.