As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SANDING OF THE RH WING FOR PAINT REFURBISHMENT, FOUND CORROSION ON RH WING OUTBOARD TRAILING EDGE STRUCTURE NEAR WS 257.47. AFTER EVALUATION, IT WAS DETERMINED THAT THE RH WING TRAILING EDGE WEDGE IS OUT OF LIMITS AND REQUIRES REPLACEMENT.