As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK CARGO CENTER WING TANK UPPER PANEL (STA 1230, FROM X=75.25 LT TO X=107.25 RT) FOUND TOP SKIN HI-LOCK SURROUNDING CORRODED. REPAIR CARRIED OUT IAW FEDEX EA 1-5710-95796, WINGS CENTER WING TANK UPPER SKIN PANEL CORROSION REMOVAL AND REPAIR. REPAIR CLASSIFIED AS MAJOR AS PER FEDEX GMM 6-2-100.