What was found
WHILE A/C WAS IN FOR HEAVY CHECK FOUND RT UPPER SEAT TRACK CF111 HAS SPOTS OF CORROSION 8 INCHES AFT OF FR 77 HAS SPOTS OF PAINT DAMAGE AND SCRATCHES. MX REMOVED AND REPLACED RT UPPER CF111 SEAT TRACK IAW EMB 170 SRM 51-40-02, 51-41-01, 51-43-03, 51-43-00. PN 170-65917-006. A/C REMAINS IN CMH FOR HEAVY CHECK COMPLETION.