As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF AND CLIMBING THROUGH 500 FT AGL, THE STAB CH1 INOP MESSAGE ILLUMINATED. RAN QRH PROCEDURE. MESSAGE PERSISTED. INSTALLED SERVICEABLE HORIZONTAL STABILIZER ACTUATOR IAW MM 27-42-01 AND RII 27-415. OPS CHECK GOOD. NO DEFECTS NOTED. ALSO INSTALLED SERVICEABLE MOTOR CONTROL UNIT IAW MM 27-42-05. OPS CHECK GOOD. NO DEFECTS NOTED. ALL PANELS CHECKED AND SECURED. MCU P/N: 706-3, S/N OFF: 218.