As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
Found during 4K-check, LH Center Aisle Seat Track LBL 18.3 has corrosion that is out of limits at approximately Sta 299. Maintenance c/w EO S53060 on Left Center Aisle Seat Track. From Fuselage Sta 297 to approximately Fuslage Sta 377.