Worked on F-1203A bulkhead and final drilling holes to 7/16 & 3/4. This went very well using the "step" drill and the drillpress to do the job. Holes turned out uniform and appropriately placed. Next I removed metal on the final large hole (see p. 21-10, step 7). I used the tin snips to remove some of the material and filed the rest. The result is good, but cannot be certain it is perfectly circular, but it looks like it. I read ahead in the plans to see what will go through this hole so that I could test it, but could not find anything. This may be something in the finishing kit. I also prepared the F-1203C Stub Spar Receptacles, deburring and filing to create a close fit to the rounded ends of the stub spar assemblies. Then primed this part.
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