What was found
DURING INSPECTION, FOUND LOWER FUSELAGE 3IN FWD OF FR51 AND ONE INCH BELOW STRG 41L HAS SKIN GOUGE. BLENDED AREA IAW 51-73-00, FOUND TO BE OUT OF LIMITS IAW SRM 53-41-11, FIG 101, MATERIAL LOSS IS MORE THAN 25 PERCENT OF THICKNESS. PERFORMED EXTERNAL DOUBLER REPAIR IAW SRM 53-00-11, FIG 224.