As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT WING - LEADING EDGE LOWER SURFACE NUMBER 16 SLAT TRACK CUTOUT SKIN AT XOS 1009 FOUND CRACK. RIGHT WING - LEADING EDGE LOWER SURFACE NUMBER 16 SLAT TRACK CUTOUT SKIN CRACK AT XOS 1009 REPAIR CARRIED OUT AS PER SRM 57-40-02-2R REPAIR 7 FIGURE 201. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.