As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE RIGHT SEAT TRACK FROM FRAME 86 TO 87 CORRODED. MAINTENANCE REMOVED AND REPLACED RIGHT SEAT TRACK BETWEEN FRAME 86 TO 87 IAW EMB190SRM 51-40-02, AND 51-43-01. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.