What was found
DURING HEAVY CHECK MAINTENANCE FOUND CORROSION ON RT INBOARD SEAT TRACK AT MULTIPLE AREAS BETWEEN FR 16-17. RT INBOARD SEAT TRACK BETWEEN FR 13-20 REPLACED, IAW EMB 170 SRM 51-41-02, SRM 51-43-02 AND SRM 51-43-03. A/C REMAINS IN CHECK.