As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND CORROSION FOUND ON CFI LH IB CABIN SEAT TRACK BETWEEN FR23 AND FR34. REMOVED AND REPLACED SEAT TRACK ON CFI LH IB BETWEEN FR23 AND FR34IAW EMB 170 SRM 51-41-02, 51-43-03, 51-43-04 AND ETD2022-170-002456.