Images 1 and 2 show me match drilling the opposite side Support Bracket to the Outboard Rib. Image 3 shows me using a Nutplate (or is it Platenut?) drilling jig to make provisions for nutplates that will secure the Landing Light Mounting Bracket to the Support Brackets.
Drilling the Opposite Side Bracket
Drilling the Opposite Side Bracket
Using a Nutplate Drill Jig to Drill the Side Supports for Nutplates
