What was found
DURING A C-CHECK IN YUL, THE RIGHT INBOARD FLAP NR 2 CAM GUIDE AT RIB 5, AND THE RIGHT INBOARD FLAP NR 3 CAM GUIDE AT RIB 6 WERE FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE RIGHT INBOARD FLAP NR 2 CAM GUIDE AT RIB 5, AND THE RIGHT INBOARD FLAP NR 3 CAM GUIDE AT RIB 6 IAW AMM 20-21-12. (M)