As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING AT UPPER REAR SPAR WS 975 JUST AFT OF OTBD AILERON FOUND WITH CORROSION UNDER COMPOSITE PANEL JUST FWD OF OTBD AILERON, BLENDED CORRODED AREA FOUND TO BE OUT OF LIMITS. REPAIRED AREA IAW REA B657-60579-MR AND IAW SRM 51-40-02. ACFT WAS GROUNDED.