What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT WING SKIN PANEL UPPER SURFACE AT WS 6401, AT RIB 17. REPAIRED SKIN PANEL PER EA 348172.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT WING SKIN PANEL UPPER SURFACE AT WS 6401, AT RIB 17. REPAIRED SKIN PANEL PER EA 348172.