What was found
LT WING INBOARD FLAP VANE LEADING EDGE SKIN HAS CHAFES AT THREE LOCATIONS: FS 6.0 MEASURING L= 1.051"; W= .455"; D= .008". FS 54.5 MEASURING L= 1.136", W= .377", D= .013". FS 91.0 MEASURING L= 1.134", W= .360", D= .005". C-CHECK RO 9/5/2020. REPLACED 3 EACH LT WING INBOARD FLAP VANE LEADING EDGE SKINS (FLAP VANE CAPS), IAW CRJ-200 SRM.