Preflight motor issue

[who]

Hi guys, so doing a preflight I notice one of the props doesnt spin freely and have some resistance, not much. time to change out the motor? Whatcha thing

 

[Buckaye]

Hi guys, so doing a preflight I notice one of the props doesnt spin freely and have some resistance, not much. time to change out the motor? Whatcha thing

What do you mean resistance? How is it exhibiting itself?