As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAL - MAJOR REPAIR - DURING C4 CHECK DISCOVERED CORROSION ON THE RT AILERON TRAILING EDGE LOWER SURFACE CHANNEL. NO ALLOWABLE DAMAGE WAS FOUND IN THE AIRBUS SRM. MAINTENANCE REMOVED AND INSTALLED NEW AILERON TRAILING EDGE LOWER SURFACE CHANNEL IAW AIRBUS 320 SRM 51-02-11 AND 52-42-11.