As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HFEC INSPECTION AT LTW FIXED LEADING EDGE SKIN AT CORNER NR 13 SLAT TRACK 10 CUTOUT AFT INBOARD CORNER, FOUND CRACK APPROX 0.25 INCH IN LENGTH, STA XOS 657. LT WING STA XOS 657 FIXED LEADING EDGE SKIN CORNER 13 SLAT TRACK 10 CUTOUT AFT INBOARD CORNER CRACKED AREA CARRIED OUT REPAIR PER SRM 57-40-02-2R FIG 201 REPAIR 7. REPAIR CLASSIFIED AS MAJOR PER GMM6-2-100.