What was found
RT WING AILERON LEADING EDGE LOWER SHROUD SKIN HAS WEAR. C-CHECK RO 10/20/2020. BLENDED OUT CHAFING ON RT WING AILERON LEADING EDGE LOWER SHROUD SKIN AT 2 EA LOCATIONS, AS MARKED, IAW REO 1 EA. BLENDED PANEL IS FOUND TO BE WITHIN LIMITS & 1 EA, BLENDED PANEL (LOWER INBOARD) IS FOUND TO BE OUT OF LIMITS, REF CRJ 200 SRM. REPLACED WITH NEW LOWER INBOARD SKIN P/N 601R13031-148, REF CRJ-200 SRM AND DWG.