What was found
CORROSION FOUND ON RT WING REAR LOWER SPAR. UPON REMOVAL OF PAINT, MAJOR CORROSION WAS FOUND IN AREAS SHOWN IN FIGURE 5. CORROSION WAS CLEANED AWAY & BLENDING WAS PERFORMED AT THE LOCAL DAMAGED AREAS. NDT WAS THEN PERFORMED TO RECORD MATERIAL LOSS & DETERMINED THAT THE PART WAS FREE OF DEFECTS. FURTHER ANALYSIS OF THE DAMAGED EXTRUSION DETERMINED THAT THE PART BE REPLACED ENTIRELY & SPLICED INTO THE EXISTING EXTRUSION BETWEEN RIB 19 & 23. IAW EO ATR-57-30-2014.