As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK COMPARTMENT CENTER WING TANK TOP SURFACE FOUND WITH CORROSION, STRINGER 19 LBL 104. MAIN DECK COMPARTMENT CENTER WING TANK TOP SURFACE CORROSION AT STRINGER 19 LBL 104 REMOVED AS PER SRM 51-21-01 VOL II ORIG THICKNESS: 0.150"; THICKNESS REMAINING: 0.138"; MAT'L REMOVED: 0.012"; FOUND WITHIN LIMIT AS PER SRM 57-20-00 FIG 12 VOL I. REPAIR CLASSIFIED AS MINOR AS PER FEDEX GMM 6-2-100.