What was found
RT AILERON EXTERIOR SKIN CHAFFED ON BOTTOM INBOARD AND OUTBOARD LEADING EDGES (MARKED). C-CHECK RO 9/1/2020. REMOVED CHAFE DAMAGE FROM THE RT AILERON OUTBOARD LEADING EDGE SKIN, EVALUATED AND FOUND TO BE WITHIN LIMITS, REF.CRJ200 SRM. REMOVED RT AILERON LOWER INBOARD SKIN PANEL, P/N 601R13031-148, REF CRJ200 SRM. REPALCED RT AILERON LOWER INBOARD SKIN PANEL, PN 601R13031-148, PER BOMBARDIER DWG AND CRJ 200 SRM.