t crew seats were reupholstered (outer cover only) with Spinneybeck Leather: PN 0457VPI12235FT- Velluto Pelle, Color 0457, D/L. 112235Ff Deadatus and Garrett Sheepskin: Shearling-White PN S510, D/L 85847. In accordance with Aviation Consulting & Engineering Solutions Inc. Substantiation Report No. A061917-03SR Rev IR dated 8/25/2017,