What was found
DURING MAINTENANCE INSPECTION FOUND CORROSION AT CARGO DOOR FRAME SILL AROUND NUT PLATE. THE AIRCRAFT WAS REMOVED FROM SERVICE. BLENDED OUT CORROSION PER EMB 145 SRM 51-10-03 OUT OF LIMITS 100% MAT LOSS PER EMB 145 SRM 53-31-10. REMOVED FASTENERS AND DAMAGED AREA PER EMB SRM 51-40-02 AND 53-31-15 PARA(C). FABBED DOUBLER FROM MATERIAL 7475T761 .080 IAW EMB SRM 53-31-15 PARA E. LOCATED DRILLED AND COUNTERSUNK PER EMB SRM 51-20-03. PERFORMED HFEC INSP OF DAMAGE CUT OUT NO DEFECTS NOTED IAW NIM INTRO ITEM E. PREPPED AND PRIMED REPAIR AREA AND PARTS PER EMB SRM 51-21-04 51-21-05. INSTALLED REPAIR DOUBLER PER EMB SRM 53-31-15. THE AIRCRAFT WAS RETURNED TO SERVICE.