As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:4C LT WING CENTER FLAP UPPER SKIN HAS DOUBLER CHAFED BELOW A OTBD END OF NR 3 SPOILER. ACCOMPLISHED REPAIR ON LT WING CENTER FLAP UPPER SKIN BETWEEN RIB 13 AND RIB 15 BETWEEN STR 2.6 AND STR 2.8 IAW SRM 57-50-00, FIG 205, PAR 4E.