What was found
UPPER FUSELAGE EXTERIOR SKIN WITH 1.000 INCH CRACK IN IT (STA 1742.000-1743.000, L-16L TO L-17L), MAJOR REPAIR. PERFORMED MAJOR REPAIR IAW SRM 53-5-3 FIG 1, SRM 53-2-1 FIG 7. REMOVED FASTENERS IAW SRM 51-1-21 PG 1. CUT OUT CRACKED SKIN AREA IAW SRM 53-2-1 FIG 7. FABRICATED FILLER (7075-T6AL 0.063), FINGER DOUBLER (7075-T6AL 0.040) AND DOUBLER (7075T6 AL 0.071) IAW SRM 53-5-3 FIG 1, SRM 53-2-1 FIG 7. CLEANED, TREATED AND PRIMED FILLER, FINGER DOUBLER AND DOUBLER IAW SRM 51-1-8B. APPLIED PRC SEALANT TO FAYING SURFACES IAW SRM 51-1-11 PG 9. INSTALLED FILLER, FINGER DOUBLER AND DOUBLER WITH NEW FASTENERS IAW SRM 51-1-21 PG 1, SRM 51-1-20D PG 9.