This tutorial video shows you how to replace the AR.Drone central cross. It assumes you know how to remove the motherboard and navigation board. If you are unsure, there are links to additional tutorial videos at the appropriate steps.
Step 1 : Remove the motherboard (see tutorial)
Step 2: Remove the navigation board (see tutorial)
Step 3 : Remove the central cross fixings
Step 4 : Carefully bend the body to remove the damaged central cross
Step 5 : Look for the FRONT indication on the central cross and mount it
Step 6 :Replace navigation board and motherboard (reverse of steps 2 then 1).
Repairing the Parrot AR.Drone central cross: related parts
The Parrot AR.Drone sponsors:Google+