What was found
DURING A MBV INSP, THE BAGGAGE DOOR CUTOUT LOWER SILL WAS FOUND CORRODED. REMOVED THE DAMAGED SILL AND CLEANED THE AREA. POSITIONED NEW SILL AND MARKED AND DRILLED, COUNTERSUNK AND ALODINED PART. INSTALLED NEW PART. REPAIR DONE IAW EMBRAER 145 SRM (SRM EMB 145/1142 REV. 39) CHAPTERS 51-20-01, 03, 51-40-02, 04 AND 51-40-06. AIRCRAFT RETURNED TO SERVICE.