As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER LEG OF SEAT TRACK CORRODED AT STA 699, RIGHT BUTT LINE 10. BLENDED OUT OF LIMITS. REMOVED SEAT TRACK FROM STA 663 - 763 AND FLOOR PANEL 8F. REINSTALLED NEW SEAT TRACK IAW DC9 SRM DWG K05482. RE-INSTALLED FLOOR PANEL 8F IAW DC9 SRM 51-30-1.