Van's Aircraft RV-12, Maintenance Manual

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Rev. 6
5-24
5. Drill the holes in the new doubler to #30 (except the identifier holes) and cleco it
to the rear spar.
6. Test fit the wing with the new doubler clecoed in place (the hinge assembly does
not need to be in place for this step.) If the fit is too tight, remove the wing, un-
cleco the doubler and sand the contour of the curve 0.010” or less and test fit
again. Repeat until the correct fit is achieved.
7. Rivet the doubler and hinge assembly to the spar as shown below
Figure 16.1: Rear Spar Doubler Replacement