As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK SEAT TRACK FLANGE BELOW FLOOR PANEL NR 271AF AND NR 271BF AT STA 1485 TO STA 1531, X = 8 FOUND CORROSION AT UPPER SURFACE AT 2 LOCATIONS. REPAIRED BY SECTIONAL SEAT TRACK REPLACEMENT FROM STA 1431 TO STA 1531, X = 8 AS PER SRM 53-70-00 FIGURE 1 VOLUME I. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.