What was found
DURING HEAVY CHECK. CORROSION FOUND ON LT AILERON, INTERNAL FITTING ON AFT SIDE OF FRONT SPAR. AILERON REPLACED WITH SERVICEABLE AILERON.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK. CORROSION FOUND ON LT AILERON, INTERNAL FITTING ON AFT SIDE OF FRONT SPAR. AILERON REPLACED WITH SERVICEABLE AILERON.