I am right in saying would be first time ever for either and in either which way case I would say watch this space very closely or; whether the spindle bearings failed in which case - I become mute.
Hmmm... I think you would be interested to read some of the initial comments to the request from the NTSB to ground the R-22 back in 1993..... They are all still there. I will leave it at that... Google is your friend.