As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H WING OVERWING FILL PORT FAILED BONDING CHECK L/H MAIN FUEL TANK OVERWING FILL PORT REMOVED IAW AMM 28-11-04 AND EVIDENCE OF CORROSION FOUND. REPAIR CARRIED OUT IAW FEDEX EA # F-5730-T0350814 P1 TITLE: L/H WING - PLATES & SKINS - OVERWING FILL PORT - CORROSION