What was found
DURING ROUTINE C CHECK, FOUND EXTERNAL FUSELAGE WEB CRACKED AT STATION 857 AND +X16. REMOVED DAMAGED AREA. FABRICATED DOUBLER AND FILLERS, LOCATED, DRILLED, TRIMMED, TREATED, PRIMED, INSTALLED NEW DOUBLER, FILLERS AND FASTENERS AT STATION 857 FROM +X11 TO +X19.5. IAW DC8 SRM 53-8-1, 51-1-4, 51-1-5, AND 51-1-8.