As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED INSPECTION CHECK, WING LOWER SURFACE OF BOTH THE LT AND RT WING SKINS, WERE SEVERLY CHAFED AT EACH FLAP TRACK FAIRING. ALL THE DAMAGE APPEARS TO BE CAUSED BY CONTACT BETWEEN THE WING LOWER SKIN AND THE (BLADE SEAL), WHICH IS ATTACHED TO THE ENGINE AFT POSITION FAIRING.