MH IR AST VANITY MOD INSTL UIGSSOSIM) IR PLACARD MOD INSTL 2) Reupholstered the eight (8) existing Single Cabin Seats with Spinneybeck leather: P/N 0457VPI 12235FT, Velluto Pelle Color 0457, D/L I12235FT. In accordance with Aviation Consulting & Engineering Solutions Inc. Substantiation Report No. A061