This is universal guide in the event of major damage
These are examples of surface damage
Sometimes it´s enough to use Color Easy Car Paint Scratch Remover
The marks must be sanded down
You can grind trough and putty with Universal polyester putty with glass fibres
if it´s not break, only surface damage, it´s enough to use putty without glass fibres
Then you can paint it with spray locally
or for example cover it with vinyl wrap or sticker
We also recommend these or similar products for repairing your fairings