What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE RIGHT LOWER SEAT TRACK BETWEEN FRAMES 13 AND 14 HAVE CORROSION. MAINTENANCE REMOVED AND REPLACED THE RIGHT LOWER SEAT TRACK IAW EMB 175 SRM 51-40-02, 51-41-01, 51-41-02, 51-43-01, 51-43-02, 51-43-03 AND 51-43-04. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.