As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, FOUND RIGHT MAIN GEAR ACTUATOR GEAR EXTEND AND AUXILIARY AIR HOSES CONNECTED TO WRONG PORTS. THERE ARE TWO BRANDS OF ACTUATORS USED AND THEIR PORTS ARE OPPOSITE. THE PORTS SHOULD BE IN THE SAME POSITION ON EACH BRAND OF ACTUATOR. MORE ATTENTION SHOULD BE PAID TO ACTUATOR PLACARDS AND MAINTENANCE.