As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ROUTINE MAINTENANCE PREFLIGHT, A TECHNICIAN DISCOVERED A SMALL AREA OF BUBBLED PAINT. AN INVESTIGATION REVEALED A CRACK IN THE TRAILING EDGE OF THE LEFT AILERON THE AILERON TRAILING EDGE WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)