As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A HEAVY MAINTENANCE CHECK, THE SEAT TRACK AT STATION 454 LBL 56 AT FLANGE SCREW HOLE UPPER AND LOWER SURFACES WAS FOUND TO BE CORRODED. REMOVED SEAT TRACK IAW DC10 SRM 537000 VOL 1. INSTALLED SEAT TRACK IAW DC10 SRM 513301 AND DC10 SRM 513101 VOL 2.