As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON A-CHECK, FOUND LEFT WING INBOARD SLOT DOOR HAS LEVEL 2 CORROSION AROUND FASTENERS HEADS AND INBOARD SIDE. REMOVED SLOT DOOR L/E SECTION, CUT OUT DAMAGED AREAS, FABRICATED AND INSTALLED FILLERS AND DOUBLERS IAW SRM 57-2-1 FIG 2H. REINSTALLED SLOT DOOR L/E.