Damaged Obsolete Snowblower Impeller Shaft - Can It Be Fixed?

From a channel Lumen includes in full: donyboy73 diagnoses and repairs lawnmowers, chainsaws, snowblowers and other small engines in practical how-to videos showing each part and fix.

A 11-minute video from donyboy73's catalogue; the title names its topic.

Video by donyboy73, played through YouTube's embedded player.