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 ON CENTER FUSELAGE I RH IB CABIN SEAT TRACK IN MULTIPLE AREAS BETWEEN FR23 AND FR34. REMOVED AND REPLACED SEAT TRACK ON CFI RH IB SIDE BETWEEN FR23 AND FR34 IAW EMB SRM 51-43-03 AND 51-43-04.