This isn't exactly a TTools/AFCAD issue, but I'll try my best to help........
Could you please specify (either by file name or designer) which Fokker jet you are having trouble with?
It's possible that the aircraft you downloaded has an alias configuration for its panel, meaning that it utilizes a panel from another aircraft, assuming you have that other aircraft installed in fs2002. To confirm this, you can look in the Fokker's panel folder and open the file, "panel.cfg" to see the configuration.
If it shows an alias configuration for the default 737-400, then you might want to search for a third-party-designed panel for the Fokker and install it.
Good luck!