As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING AFT SPAR UPPER FLANGE HAS LEVEL 2 CORROSION SPLITTING FLANGE, JUST ABOVE MOST OUTBOARD AILERON HINGE BRACKET XRS 509.50. REMOVED CORROSION AND TREATED PER SRM 51-10-3. INSTALLED L-ANGLE DOUBLER PER SRM 57-09 FIG 3 AND DRAWING SKB012718N01089. (M)