What was found
ELEVATOR TRIM SELF ACTUATED (PITCH UP) ON 3 SEPARATE INSTANCES WITH NO PILOT INPUT. REPLACED HSTCU AND PITCH TRIM SWITCH. OPERATIONAL CHECKS GOOD IAW CRJ 27-60-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ELEVATOR TRIM SELF ACTUATED (PITCH UP) ON 3 SEPARATE INSTANCES WITH NO PILOT INPUT. REPLACED HSTCU AND PITCH TRIM SWITCH. OPERATIONAL CHECKS GOOD IAW CRJ 27-60-00.