What was found
SCHEDULED INSPECTION AT AERO CORP, FL, FOUND CORROSION ON THE SUB FLOOR AT BS 170-200 RBL 55. CUT OUT CORRODED PORTION OF SUB FLOOR. FORMED NEW DOUBLERS, DRILLED, DEBURRED, TREATED, PRIMED, AND INSTALLED DOUBLER IAW DC9 SRM 51-10-4, 51-10-3, 51-30-2, AND 53-20-1 FIG 804.