As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING NR 1 SLAT UPPER I/B AND O/B CORNERS LOWER SURFACE METAL HAS CHAFED THROUGH INTO COMPOSITE LAYERS. REPAIRED NR 1 SLAT, UPPER I/B AND O/B CORNERS CHAFED LOWER SURFACES IAW BOEING 737-800 SRM 57-42-01 REPAIR 6 FOR I/B & BOEING 737-800 SRM 51-70-10 REPAIR 4.