As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE-C, CENTER SECTION FUEL TANK FOUND CORROSION ON TOP OF SKIN PANEL AT BS 1140 LBL 105. REPAIRED CENTER WING UPPER SKIN PANEL AT BS 1140 LBL 105 ACC EFN 7 47-57-0390 (KLM DFX 97-222). PERFORMED HFEC INSP ON UPS NRC 766740.