Common is not a word I would use, It's not unknown for the things to shutdown on engine start, it's the sudden demand you see. But to fail catastrophically is much rarer.
That particular APU has been ?difficult? for the last couple of weeks.
Yes the '10 might have seen better days, but it remains a solid, reliable, simple, Airframe/Engine combination being let down by 30 year old systems that are difficult to keep operating properly.