What was found
DURING ROUTINE C CHECK INSPECTION, FOUND RIGHT HAND WING LEADING EDGE UPPER SKIN CORRODED AT STATION XFS 253.500. REMOVED CORROSION. FOUND OUT OF LIMITS. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED EXISTING REPAIR. REMOVED DAMAGED AREA. PERFORMED NDT INSPECTION. NO CRACKS OR CORROSION FOUND. FABRICATED NEW SKIN, FILLERS. CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS. INSTALLED NEW FASTENERS AND REPAIR PARTS IAW FAA FORM 8110-3 DATED 09-03-09, DRAWING ED-4973 DATED 08-11-09, SRM 51-1-8 PAGES 17-18, SRM 57-2-1 FIGURE 2G, IAW SPM PART 06-10-01-001, SRM 51-1-8B, SRM 51-1-21, SRM 51-1-520D, SRM 51-1-11, SRM 51-1-26, AND SRM 51-3-1.