er -904 installation same dwg. Note on -904 install, Sea. NAS1921M05-3 fasteners were substituted with tea. NAS1919M06-3 and lea. OSMLS100M04-03 per Gulfstream Service Engineering E-mail transmittal dated 12-6-98. Reworked L/H and Ft/H °A" flap tracks per -905 and -906 installation same dwg. END O Additional Sheets are attached.