As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING REPETITIVE AILERON STRUCTURE INSPECTION, FOUND SKIN CRACKS ALONG FORWARD/AFT UPPER AND LOWER SKIN LAP JOINTS. CRACKS (2 FOUND INITIALLY) RUN LATERALLY ALONG LAP JOINT. ON SKIN REMOVAL, FOUND CORROSION UNDER SKIN AND 5 CRACKS VERYING FROM LESS THAN 1 INCH TO 3 INCHES LONG.