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 WING SKIN AT STA 466, 505, AND 532 ARE CORRODED. REMOVED CORROSION FROM UPPER T/E WING SKIN IAW B767 SRM 57-20-01. REPAIRED UPPER T/E WING SKIN AT WS 505, 532 IAW AMES REA B657-55943-MR. TREATED & PRIMED AREAS IAW B767 SRM 51-20-01, ACFT WAS GROUNDED.