Match drilled elevator stiffeners and skins. Dimpled, deburred, scothbrited, finiished edges, and acetoned. Also did the elevator trim reinforcement doubler.Broke primer gun. Tried to braze it back together and burned the tube up. Time to call Spruce. Need to order proseal to close the rudder and .032" 24" X 12" 2024-T3 AL and primer gun parts.