What was found
DURING ROUTINE C-CHECK INSPECTION, THE RIGHT OUTBOARD AILERON LOWER EXTERNAL PLATING WAS FOUND TO HAVE SURFACE CORROSION AND BULGING AT STATION XA615 TO XA642. REPAIR WAS ACCOMPLISHED BY REMOVAL OF THE DAMAGED AREA, FABRICATION AND INSTALLATION OF NEW SECTION OF PLATING IN ACCORDNCE WITH FAA DER APPROVED DRAWING SK97103 AND ENGINEERING ORDER 27-DC8-480. AILERON BALANCED IN ACCORDANCE WITH DOUGLAS SRM 51-4-3.