What was found
ABI - DURING HMBV INSPECTION, FOUND CARGO DOOR CUT OUT LOWER SILL WAS FOUND TO BE CORRODED. REMOVED THE CORRODED LOWER SILL AND INSTALLED SERVICEABLE LOWER SILL IAW EMB SRM, SRM 145/1142 REV 33, CHAP 51-40-02. RETURNED AIRCRAFT TO SERVICE. (M)