What was found
DURING ROUTINE C-CHECK INSPECTION FOUND RIGHT HAND WING INBOARD LEADING EDGE UPPER SKIN CORRODED FROM STATION XW5.000 TO STATION XW22.000. REMOVED FASTENERS IAW DC-8 SRM 51-1-21, DC-8 SRM 51-3-0. REMOVED CORROSION IAW DC-8 SRM 1-1-8 FOUND OUT OF LIMITS. REMOVED DAMAGED AREA. FABRICATED EXTERNAL REPAIR DOUBLER (AL 7075 T6 0.125”) IAW DC-8 SRM 57-2-1 FIG 37. CLEANED AREA AND APPLIED POLYURETHANE TOP COATING ON EXTERNAL REPAIR DOUBLER INTERNAL SURFACE IAW DC-8 SRM 51-1-21. APPLIED SEALANT TO FAYING SURFACES IAW DC-8 SRM 51-1-12. INSTALLED EXTERNAL REPAIR DOUBLER IAW DC-8 SRM 57-25-1 FIG 37, DC-8 SRM 51-1-21, DC-8 SRM 51-3-0, DC-8 SRM 51-1-20D, DC-8 SRM 51-3-1.