As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING BACKLASH INSPECTION PER AMM WHILE AIRCRAFT WAS IN MAINTENANCE IT WAS DISCOVERED THAT BOTH THE MAIN LANDING GEAR MANEUVERING ACTUATORS HAD BACKLASH PLAY BEYOND LIMITS OF AMM. IT WAS DETERMINED THAT THE PLAY WAS THE RESULT OF CORROSION. ACTUATORS TDMI FOR 50 CYCLES. REMOVED AND REPLACED LEFT AND RIGHT MANEUVERING ACTUATORS OPERATIONAL CHECK GOOD IAW EMB AMM32-33-08. AIRCRAFT RETURNED TO SERVICE.