The process of fabricating these landing light brackets does require some file-to-fit activities. Images 1 and 2 show me doing just that. I'll try to remember to get some pictures of why I'm filing the next time I go out to the garage to work on the airplane.
Using a Half-Round FIle to Improve Clearance to Landing Light Wing Cutout Structure
Using a Half-Round FIle to Improve Clearance to Landing Light Wing Cutout Structure