As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) A SMALL CRACK WAS NOTICED BY MAINTENANCE ON THE RT AILERON, JUST AFT OF THE OTBD HINGE. UPON FURTHER INSPECTION IT WAS FOUND THAT THE ATTACH STRUCTURE FOR THE OTBD AILERON HINGE BRACKET, AILERON SIDE WAS CRACKED AND A LARGE CHUNK HAD BROKEN OFF. THE RT AILERON WAS REMOVED AND A SERVICABLE AILERON WAS INSTALLED. ACFT WAS RETURNED TO SERVICE.