As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YXD - DURING C-CHECK, FOUND LEFT WING LE SKIN NR 3 SLAT ARM CUTOUT AT WSS 42 WBL 227 AND WSS 90 WBL 279 WITH CRACKS, LENGTH .600 INCH AND .450 INCH. REPAIRED LEFT WING LEADING EDGE SKIN AT NR 3 SLAT ARM CUTOUT WSS 42 WBL 227 AND WSS 90 WBL 279 PER BOEING SRM 57-30-4 FIG 5. WORK ACCOMPLISHED ON NON-ROUTINE NR 0153. (M)