What was found
AFT CARGO DOOR INTERIOR SKIN CORRODED. APPROXIMATELY 18 INCHES FROM FWD EDGE AND 4 INCHES FROM BOTTOM EDGE OF THE DOOR. REMOVED CORROSION FROM AFT CARGO DOOR SKIN IAW SRM 51-10-02. UT INSPECTED AREA IAW NDTM PART 4, 51-00-01. FOUND TO BE OUT OF LIMITS IAW SRM 52-30-01. CUT-OUT DAMAGED SECTION OF SKIN IAW SRM 52-30-01, FABRICATED DOUBLER AND FILLER IAW SRM 52-30-01. INSTALLED REPAIR IAW SRM 52-30-01, 51-40-03