What was found
DURING ROUTINE C CHECK, FOUND RIGHT WING CENTER LEADING EDGE UPPER SURFACE RIB CRACKED AT STATION 454. STOP DRILLED CRACK. FABRICATED REPAIR PARTS, LOCATED, DRILLED, TRIMMED, TREATED, PRIMED, AND INSTALLED REPAIR PARTS IAW DC8 SRM 57-2-0, 51-1-8, 51-1-20D, AND 57-3-3.