As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT AFT UPPER CORNER OF THE CENTER WING BOX AT BS 118 TO 112 TO INCLUDE THE CLOS RIB AND ATTACH UPPER SKIN PLATES AT BS 1370 TO 1358 WERE FOUND WITH EXFOLIATION CORROSION DURING C-CHECK INSP IN THE LT MLG WHEEL WELL. ALL CORROSION HAS BEEN REMOVED, WAITING FOR THE ENG AUTH FOR REPAIR OR DISPOSITION.