Does Film Effects produce 24fps video on a 24fps timeline from NTSC video?
No. Film Effects keeps the frame rate of the final video constant, so if you’re working in NTSC, the video and timeline remain at 29.97fps, but the video will look as if it had originated at 24p and been transferred to NTSC video with 3:2 pulldown, and hence look like it had originated on film. Standards Conversion which will address the problem of how to get NTSC video onto a 24fps timeline via its Film Converter option.