What was found
STAB TRIM CHANNEL 1 WILL NOT ENGAGE. REMOVED AND REPLACED MOTOR CONTROL UNIT IAW CRJ MM 27-42-05. STAB TRIM SYSTEM OPS CHECKS GOOD IAW 27-41-00. S/N OFF: 880
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM CHANNEL 1 WILL NOT ENGAGE. REMOVED AND REPLACED MOTOR CONTROL UNIT IAW CRJ MM 27-42-05. STAB TRIM SYSTEM OPS CHECKS GOOD IAW 27-41-00. S/N OFF: 880