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 421 TO 459 RBL 84 WAS FOUND TO HAVE CORROSION. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW DC10 SRM 530001 VOL 1. INSTALLED NEW SEAT TRACK IAW DC10 SRM 513101 VOL 2 AND DC10 SRM 513301 VOL 2 AND DC10 SRM 537000 VOL 3.