What was found
DURING ROUTINE C CHECK, FOUND EXTERNAL FUSELAGE ANGLE CRACKED AT STATION 810 AT +X18. REMOVED DAMAGE. FABRICATED REPAIR ANGLE, LOCATED, DRILLED, TRIMMED, TREATED, PRIMED, INSTALLED REPAIR ANGLE AND FASTENERS AT STATION 810 BETWEEN +X17.5 AND +X31 IAW DC8 SRM 53-2-0, 51-1-20, 51-1-21, 53-2-0, 51-1-4, 51-1-5, AND 51-1-8.