As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR STRUCTURE SEAT TRACK AT STA 148 TO 200 LBL 7 HAS CORROSION. REMOVED CORROSION. FOUND TO BE OUT OF LIMITS. REMOVED, FABRICATED, AND INSTALLED REPLACEMENT SEAT TRACK AT STA 148-200 LBL 7 IAW DC9/MD80 SRM 51-30-1 DURING HMV.