What was found
DISC-PITCH TRIM AUTO MSSG ON EICAS IN FLIGHT WITH AUTOPILOT ON THEN ALL PITCH TRIM SWITCHES FAILED. C/A MAINTENANCE REMOVED AND INSTALLED A NEW HORIZONTAL STABILIZER ACTUATOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DISC-PITCH TRIM AUTO MSSG ON EICAS IN FLIGHT WITH AUTOPILOT ON THEN ALL PITCH TRIM SWITCHES FAILED. C/A MAINTENANCE REMOVED AND INSTALLED A NEW HORIZONTAL STABILIZER ACTUATOR.