As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING, AFTER REMOVAL, UPPER SKIN UPPER SURFACE OVERWING FILL PORT CUTOUT FOUND CORRODED AT MATING AREA TO ADAPTER. LT WING AFTER REMOVAL UPPER SKIN SURFACE OVERWING FILL PORT CUTOUT COMPLIED WITH EA F-5730-T0327055 P1. LT WING SKIN UPPER SURFACE CORROSION REPAIR AT OVERWING FILL PORT, TRIMOUT REPAIR. REPAIR CLASSIFIED AS MAJOR.