What was found
DURING A IMBV INSPECTION, THE BAGGAGE DOOR CUT OUT LOWER SILL WAS FOUND CORRODED. REMOVED THE DAMAGE SILL AND CLEANED THE AREA. POSITIONED NEW SILL AND DRILLED, CLEANED AND TREATED PARTS AND INSTALLED. REPAIR DONE IAW SRM 51-20-01,03, 51-40-02, 04 AND 06. AIRCRAFT RETURNED TO SERVICE.