What was found
DURING A ROUTINE C-CHECK INSPECTION, EXTERNAL FUSELAGE CRACKED .75 INCH FROM STA 1718.000 TO STA 1719.000. MAINTENANCE PERFORMED MAJOR REPAIR IAW DC8 DRM 53-2-1 FIG 7. REMOVED FASTENERS IAW DC8 SRM 51-1-21 PG 1. REMOVED CRACKED AREA IAW DC8 SRM 51-1-21 PG 1. REMOVED CRACKED AREA IAW DC8 SRM 53-2-1 (SHEET3, 5). FABRICATED DOUBLER (AL 707576 0.63), FINGER DOUBLER (AL 707516 0.32), FILLER (AL 707516 0.050) IAW DC8 SRM 53-2-1 FIG 7 (SHEET 1, 3, 5). CLEANED, TREATED AND PRIMED AREA, FINGER DOUBLER FILLER AND DOUBLER IAW DC8 SRM 51-1-8B, INSTALLED DOUBLER, FINGER DOUBLER AND FILLER WITH NEW FASTENERS IAW DC8 SRM 53-2-1 FIG 7 (SHEET 1, 3, 5) DC8 SRM 51-1-1 PG 1, DC8 SRM 51-1-200 PG 9, DC8 SRM 51-1-11 PAGE 9.