What was found
DURING IMBV, THE MAIN DOOR AFT LOWER CORNER PROFILE WAS FOUND CORRODED. REMOVED CORRODED PROFILE AND DRILLED UP NEW PROFILE (P/N 145-34499-002). CLEANED, ALODINED, PRIMED AND INSTALLED NEW PROFILE IAW EMB SRM 51-20-01, 51-20-03 AND 51-40-02. AIRCRAFT RETURNED TO SERVICE.