As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE DISCOVERED WEAR ON THE UPPER SURFACE OF THE LEFT KEEL BEAM LOWER CHORD OUTBOARD FLANGE BETWEEN STA 712 AND 727. THE WEAR WAS CAUSED BY THE WASHERS THAT ARE INSTALLED WITH THE LOWER WHEEL WELL FAIRING PANEL ATTACH FASTENERS. REPAIRED IAW ECRA 5311-01192.