What was found
AT D CHECK, RT WING TOP NR 13 SPOILER, NR 3 HINGE FROM I/B SKIN CUTOUT CRACKED. FABRICATED EXTERNAL DOUBLER, 12.65 6.65 AND INSTALLED PER SRM 57-30-4. FOUND TRAILING EDGE CRACKED WITH WEAR MARKS. REPLACED PER SRM 57-30-4, 36 LONGERON, N/R 2901.