As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HFEC INSPECTION, 01 EA CRACK FOUND APPROX 1/2 INCH IN LENGTH AS MARKED AT LT WING CORNER NR 13 SLAT TRACK NR 10 CUTOUT, AFT INBOARD CORNER. REPAIR CARRIED OUT AT LT WING CORNER NR 13 SLAT TRACK NR 10 CUTOUT AT XOS 659 AS PER SRM 57-40-02-2R FIG 201 REPAIR 7. REPAIR CLASSIFIED AS MAJOR AS PER GMM 6-2-100.