practiced removing and reinstalling fuselage side skin on right side, trimmed to size and deburred edge. Made plan for how to deal with twist in fuselage: cut a shim section of aluminum angle to place above the left-hand longeron to establish a level platform for the empenage to sit on. I will build in a second F 10 bulkhead with a truly vertical centerline to form the foundation for the vertical spar of the tail fin. I will also build in a second F 11 bulkhead to form the support for the tailwheel spring. And I will remake the F 12 bulkhead to fit the new tail shape, and also add the revised tail spring support from the service bulletin on the thatcher web site.
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