As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT, CREW REPORTED AILERON CONTROL SEEMED STIFF. AFTER NORMAL LANDING MAINTENANCE INSPECTION FOUND RT AILERON SUPPORT BRACKET FOR AILERON INPUT QUADRANT CRACKED. CAUSING OUTBOARD AILERON QUADRANT TO RUB ON BRACKET. THIS AIRCRAFT IS PRE MOD 8/2160. DEHAVILLAND SB 8-57-27 REFERS TO THIS BRACKET CRACKING.