As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: STAB CHANNEL MESSAGE, R2 CHANNEL. FLIGHT DECLARED AN EMERGENCY LANDING SAFELY AT SYD. MAINTENANCE MESSAGE 27-13302 (HORIZONTAL TRIM ACTUATOR DOES NOT MOVE WHEN COMMANDED BY THE R2 CHANNEL) NOTED FOR R2 CHANNEL FAIL. NO LEAKS FROM HORIZONTAL TRIM ACTUATOR FOUND. MESSAGE CLEARED PER FIM 24-40-F1-23A-42A. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECKS.