What was found
LEFT WING OTBD INNER L/E EXTERNAL SKIN HAS CORROSION AT STA XW 485.000 (MAJOR REPAIR). PERFORMED MAJOR REPAIR. REMOVED FASTENERS. REMOVED CORROSION IAW SRM 51-1-8 PG 17-18. FOUND OUT OF LIMITS IAW SRM 57-2-1 FIG 2G. TRIMMED OUT AND REMOVED DAMAGED AREA. PERFORMED NDT INSPECTION IAW NDT STANDARD PRACTICE MANUAL PART 6-10-01-001. FABRICATED FILLER AND DOUBLER IAW ASTAR ED EDU21-3, ASTAR DWG U21-R03. CLEANED, TREATED AND PRIMED AREA AND FILLER AND DOUBLER INTERNAL PART IAW SRM 51-1-8B. APPLIED PRC SEALANT ON FAYING SURFACES IAW SRM 51-1-11 PG 9. INSTALLED FILLER AND DOUBLER WITH NEW FASTENERS IAW ASTAR ED EDU21-3, ASTAR DWG U21-R03, SRM 51-1-20D PG 9, SRM 51-1-21 PG 1.