What was found
DURING ROUTINE C-CHECK INSPECTION, CARGO DOOR EXTERNAL SKIN HAS 0.25 IN. CRACKS ON EDGES STA 1160.000 TO STA 1220.000, L-31R TO L-31L. PERFORMED MAJOR REPAIR IAW DC-8 SRM 52-1-0 PAGE 1, DC-8 SRM 52-4-1 FIG 1. REMOVED EXISTING DAMAGED SKIN IAW DC-8 SRM 51-1-21 PAGE 1. FABRICATED NEW SKIN (ALCLAD 2024 T6 0.050”) IAW DC-8 SRM 52-4-1 FIG. 1 ITEM Q CLEANED, TREATED AND PRIMED NEW SKIN AND AREA IAW DC-8 SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW DC-8 SRM 51-1-11 PAGE 9. INSTALLED NEW SKIN IAW DC-8 SRM 51-1-21 PAGE 1, DC-8 SRM 51-3-0 PAGE 1. TORQUED IAW DC-8 SRM 51-3-1.