As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING UPPER T/E PANEL HAS CORROSION AT APPROXIMATELY WS 434 & 450. CORROSION REMOVAL EXCEEDED THE LIMITS AND WITH FURTHER INSPECTION FOUND UPPER SKIN ON PANEL WAS ALSO DELAMINATED. REMOVED DELAMINATED SKIN IAW SRM 51-70-02 WHICH WAS ALSO OUT OF LIMITS. NEW PANEL ASSY ORDERED, LOCATED DRILLED AND INSTALLED PANEL ALONG WITH SPLICE IAW SRM 51-30-02, 51-20-0 & 51-30-01.