Marked and drilled four equally spaced #40 holes in the gap fillers for use as a drill guide to locate the same on the aft bulkhead. Clamped the gap fillers in place on the bulkhead and match drilled. Final match drilled to #30 the gap fillers to the bulkhead.
Removed the gap fillers, machined countersunk the #30 holes in common with the gap fillers and the spinner supports. Deburred the gap fillers, spinner supports and bulkhead.
