Are you having trouble with or FMC programming ?
Modsfire is a file hosting/sharing platform often used in flight simulation communities to distribute: Ixeg 737 Modsfire
Updated for X-Plane 12, it features wing flex , rain/ice window effects, and a fully 3D modeled cabin. Its soundscape is frequently cited as one of the best in the sim, especially for cockpit immersion. Are you having trouble with or FMC programming