Why are you concerned about jumping ahead to that step (upper cut out for hinge access)? It needs to get done at some point and I don't see how it would negatively impact the effort of cutting the horizontal seam. I am sure it was a simple oversight in preparing the instructions.
RV-6A / IO-320, Flying as of 8/2015
RV-10 in progress
Last edited by lr172 : 04-09-2019 at 07:40 PM.