Deburring: 4.8 hours

Deburred upper longerons and trimmed aft ends to final shape.
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Deburred aft bottom skin and drilled drain holes. Began deburring aft side skins, lower, and mid longerons.

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Match drilling complete 5.7 hours

Match drilled gearbox webs to longerons. I used a ratchet strap and 1/8 angle to match edges. I really had to crank it down as Vans said this is normal.

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Match drilled forward seatback support to cockpit rails. Took a lot of time due to close tolerance between parts. The aft #19 holes for #8 screws will not have proper edge distance with the spacers. This is okay since it is only a spacer. All clamped up for drilling.

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Complete!

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Fabricated tails spring mount shims. Installed mount into position for match drilling.