As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RT HORIZONTAL REAR SPAR UPPER CHORD. UPON REMOVAL OF PAINT MINOR CORROSION WAS FOUND IN RT HORIZONTAL REAR SPAR UPPER CHORD. 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. IAW EO ATR-55-01-2014.