As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACTUATOR TORN DOWN, FOUND NEEDLE BEARING AND PLANET GEAR ASSEMBLIES CORRODED. ONE GEAR CAUSING LOCKOUT AT PRE-TEST. WATER INJESTED CAUSING NEEDLES TO FREEZE TO ONE EACH PLANET GEAR. THIS GEAR ASSY COMES IN A SET CAUSING REPLACEMENT OF COMPLETE ASSY. CARRIER THAT CONTAINS GEAR SET WORN DUE TO HIGH TORQUE REQUIRED TO ROTATE ACTUATOR.