I'm building a Reaper at the moment, Almost the entire top of the fuselage consists of two large hatches.

The hatches are a balsa framework with a plastic top glued on. I managed to get the balsa frames almost perfect and then glued on the plastic tops. It looked fantastic. Then I noticed a bit was not stuck down very well. I hadn't roughed the plastic and it had not adhered properly. A little tug and it all unstuck.

Unfortunately due to the glue filleting I had used it will be easier to start again from scratch. I was really annoyed.

The only thing to do was order the new parts. They are all here now and I will have go number two sometime in the next few days.

I feel your pain[]