What was found
DURING AN IMBV INSPECTION, THE MAIN DOOR LOWER PROFILE WAS FOUND TO BE CORRODED AROUND THE AFT SCREW HOLE. REMOVED CORROSION BY BLENDING, PERFORMED NDT INSPECTION, NO CRACK NOTED. FABRICATED A DOUBLER. DRILLED, CLEANED, ALODINED AND PRIMED DOUBLER AND BLENDED AREAS. REPAIR DONE IAW ETN-EM-52-041 DATED 12/31/08. AIRCRAFT RETURNED TO SERVICE.