My memory is not nearly as good as yours, but I'll just refer to it as a diversion to Newfoundland Any diversion to Gander seems uneventful after that one day 22 years ago.

​​​​​​Here's another from the most recent entries on avherald

December 10th AC A220 YYZ-MIA engine shutdown and diversion to PBI
​​​​​​https://avherald.com/h?article=51297741&opt=0
crew. Aircraft remained on the ground in West Palm Beach for about 39 hours before returning to service.

I do wonder (there is no Wiki) if this 'master incident' thread is a bit misleading if it doesn't link to all the AC incidents from avherald or other sources? note: I'm not volunteering, though