As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT RETURNED, EMER WAS DECLARED & LANDING WAS UNEVENTFUL. ACFT NOT OVERWEIGHT. UNABLE TO OPERATE HORIZONTAL STABILIZER TRIM VIA AUTOPILOT OR YOKE TRIM SWITCHES AFTER TAKEOFF. MANUAL TRIM OPERATIVE. R & R HORIZONTAL STABILIZER TRIM ACTUATOR IAW 27-41-71. SYS CHECKED NORMAL.