What was found
AFT CARGO DOOR BOTTOM EXTERNAL SKIN IS CRACKED .10 INCH LONG JUST FORWARD OF 2ND HOOK FROM AFT LATCH HOOK. REMOVED DAMAGE ON EXTERNAL BOTTOM SKIN OF AFT CARGO DOOR IAW SRM 51-73-10, PAR F (6), AREA FOUND TO BE OUT OF LIMITS. R & R EXTERNAL BOTTOM SKIN OF AFT CARGO DOOR IAW SRM 51-72-10, PG 1-3.