Noisy range hood fan

Over the winter the range hood fan started squealing to the point where it didn’t seem to work anymore. I kind of resigned myself to the idea that it would need to be replaced. I took a chance and took it apart and found the fan blade was cracked and so I thought I’d try WD40 on the fan motor to see if the motor was still good and sure enough fixed it right up. And of course the model is discontinued so I am not able to get parts, I took a chance on a generic fan blade on Amazon so I’m waiting for it to arrive!!