Replace the plastic fittings on the control horns as the plastic is brittle.
My elevator let go causing a sudden grounding from 30ft up. The plane is WELL built.
Think hard about how you are going to secure the tail section
Mine has started to come loose with a Zdz 60 after a while.
I did epoxy it on from new. Now Im adding some pins as the Rudder post pins seem to be loose. ( cant get tail off as its epoxyied).