What was found
STAB TRIM CH1 WILL NOT ENGAGE. REPLACED HORIZONTAL STAB TRIM ACTUATOR AND MOTOR CONTROL UNIT PER MM 27-40-00. OPERATIONAL CHECK GOOD, PN ON/OFF 8396-3 SN 1 OFF 1133; PN ON/OFF 601R92306-3 SN OFF 1152.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM CH1 WILL NOT ENGAGE. REPLACED HORIZONTAL STAB TRIM ACTUATOR AND MOTOR CONTROL UNIT PER MM 27-40-00. OPERATIONAL CHECK GOOD, PN ON/OFF 8396-3 SN 1 OFF 1133; PN ON/OFF 601R92306-3 SN OFF 1152.