As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT MAIN DECK COMPARTMENT FOUND L4 LONGITUDINAL SEAT TRACK FLANGE GOT A EXCESS CHAFED MARK LOCATION AT FR79 AND Y1447.8 POSITION. REMOVED THE DAMAGE SEAT TRACK. FABRICATED NEW SEAT TRACK REF. TO DRAWING NR A53279232. INSTALLED NEW TRACK WITH FASTENER REF. TO SRM 51-40-21.