What was found
DURING A IMBV INSPECTION, THE CARGO DOOR CUT OUT CENTER SILL WAS FOUND TO BE CORRODED. REMOVED CORRODED CENTER SILL. OBTAINED NEW SILL, POSITIONED AND DRILLED FOR FASTENERS. CLEANED, ALODINED AND PRIMED FASTENER HOLES AND INSTALLED IAW EMBRAER SRM (SRM 145-1142 REV 39) CHAPTER 51-40-02. AIRCRAFT RETURNED TO SERVICE.