What was found
GOUGE APPROXIMATELY 3.5 INCHES LONG, .2500 INCHES WIDE, .0625 INCHES DEEP ON AFT FUSELAGE AT CARGO DOOR, WITHIN .2500 INCHES OF RIVETS BETWEEN SKIN EDGE AND RIVET ROW. OUT OF LIMITS IAW SRM. REMOVED DAMAGE SECTION AND INSTALLED DOUBLER ON EXTERNAL SKIN AFT OF CARGO DOOR CUT OUT SURROUNDING IAW ETD.