Damage Effects? Parking Brakes? & MiG-29 Swifts

Hi everybody
I want to make that my mig can be damage when he crashes with something. I've tried with l/r_wing in the "aircraft damage" category but it never works, allways says "Building crash" however the wing is still
I want to make that my mig can be damage when he crashes with something. I've tried with l/r_wing in the "aircraft damage" category but it never works, allways says "Building crash" however the wing is still