What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE FORWARD LEFT SEAT TRACK CORRODED BETWEEN FRAMES 13 AND 19. MAINTENANCE REMOVED AND REPLACED THE FORWARD LEFT SEAT TRACK IAW EMB 190 SRM 51-40-02, 51-40-04, 51-41-01, 51-41-02, 51-43-01, AND 51-43-02. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.