What was found
NR 4 STUB WING UPPER EXTERNAL SKIN CORRODED, STA.XFS 530.000. PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3,09191 DATED 04-30-09, EVA DB57-00258 REV IR DATED 04-22-09, DWG ED9935 DATED 04-16-09. REMOVED FASTENERS IAW SRM 51-3-0, SRM 51-1-21, SRM 51-1-700. REMOVED CORROSION IAW SRM 51-1-8. FOUND OUT OF LIMITS IAW SRM 57-9-1 PG 26. CUT OUT DAMAGED SECTION IAW DWG ED9935. PERFORMED NDT INSP IAW NDT SPM PART DG 10-01-001. NO CRACK FOUND. FABRICATED FILLER AND REPAIR DOUBLER IAW DWG ED9935. CLEANED, TREATED, PRIMED REPAIR AREA AND INNER FILLER IAW SRM 51-1-8B. INSTALLED REPAIR PARTS IAW DWG ED9935, SRM 51-1-1, SRM 51-1-81, SRM 51-3-0, SRM 51-1-20, SRM 51-3-1.