I tried to edit and it put the flaps completely out of the a/c. Any suggestions on how to edit those numbers ?? When I hit fix it removes the flaps.White = a 'baked in' material encoded in the model OR an incompatible or missing texture file. In this case it certainly looks like a problem with the texture file. Make sure your layout.json is updated (if a texture is not included there the game will not find it), check from any texture fallbacks that aren't set up correctly, and make sure the texture file for those parts is the correct format (32 bit bmp or DDS DXT 5).
This is what happens when you convert an FS2004 model to FSX but don't reassign the animations properly - the parts collapse to 0,0. You will need to start from the FS2004 model again and reassign or fix any animations highlighted in red before exporting.