As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KOSC - DURING C-2 CHECK INSPECTION FOUND: CABIN: SEAT TRACK AT FS 1880 RBL 34 CORRODED. REMOVED CORROSION IAW B747 SRM 51-10-01, FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED TRACK IAW 51-10-01 AND 51-30-2. CORROSION TASK CARD NR C53-210-01 PART 4 OF 8 TASK CARD NR 76192.