As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) RING WAS FOUND CORRODED AND GEAR BEARING SURFACES WERE PITTED. NR 6 FLAP ACTUATOR HAD CORROSION EMITTING FROM AFT SIDE OF MOUNT FLANGE. REMOVED ACTUATOR AND INVESTIGATED SOURCE. FOUND RING GEAR CORRODED. REACTION RING INSTALLED AND ACTUATOR REINSTALLED PER AMM 27-51-11 AND BAC 5009.