Elevator animation

How do you set the keyframes for elevator animation ?
There is also only one part name -- "elevator". What about the left and right. I am working on all moving tailplanes in FSDS2. I suppose one could call it elevator.1 and elevator.2
There is also only one part name -- "elevator". What about the left and right. I am working on all moving tailplanes in FSDS2. I suppose one could call it elevator.1 and elevator.2