What was found
HORIZONTAL TRIM AND MACH TRIM KICKED OFF IN FLIGHT REPEATEDLY. REMOVED AND REPLACED HSTCU. OPERATIONAL CHECK GOOD IAW CRJ MM 27-41-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HORIZONTAL TRIM AND MACH TRIM KICKED OFF IN FLIGHT REPEATEDLY. REMOVED AND REPLACED HSTCU. OPERATIONAL CHECK GOOD IAW CRJ MM 27-41-01.