What was found
STAB TRIM CH1 INOP STATUS MESSAGE WILL NOT EXTINGUISH. REMOVED AND REPLACED HORIZONTAL STAB TRIM ACTUATOR (HSTA) AND MOTOR CONTROL UNIT (MCU) IAW MM 27-40-01. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM CH1 INOP STATUS MESSAGE WILL NOT EXTINGUISH. REMOVED AND REPLACED HORIZONTAL STAB TRIM ACTUATOR (HSTA) AND MOTOR CONTROL UNIT (MCU) IAW MM 27-40-01. OPERATIONAL CHECK GOOD.