What was found
DURING ROUTINE C-CHECK FOUND LEFT WING OUTBOARD FLAP INBOARD CENTER AFT INSIDE PANEL NUMBER 551 AREA ANGLE CRACKED AND 3 FASTENERS MISSING. REMOVED FASTENERS, AND ANGLE. FABRICATED NEW ANGLE, LOCATED, DRILLED, TREATED, PRIMED AND INSTALLED NEW ANGLE AND INSTALLED MISSING FASTENERS IAW DC8 SRM 51-1-21, 57-7-0, AND 51-1-8.