What was found
AIRCRAFT EXPERIENCED A FAILURE OF THE PITCH TRIM ACTUATION IN FLIGHT AFTER THE AUTOPILOT AUTO TRIMMED THE PITCH TO A FULL NOSE DOWN POSITION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT EXPERIENCED A FAILURE OF THE PITCH TRIM ACTUATION IN FLIGHT AFTER THE AUTOPILOT AUTO TRIMMED THE PITCH TO A FULL NOSE DOWN POSITION.