Air Lock still bubbling?

The activity in the air lock is not a parameter for fermentation.

Air lock is not densimeter and bubbles in the air lock only indicate that CO2 is exhaling from beer.

Fermentation only ends when the final density stabilizes, after 2 or 3 or 4 measurements in a row, that is, the reading remains stable, does not change from one measurement to another.

But here we have two points to be considered:

1. Whether it will be priming:

Then let the fermentation stop. That's a safety rule so you don't have a problem with the exploding or super-carbonating bottles.

2. Or forced carbonation will be done:

So you're free to choose to interrupt and send for cold when you hit the projected FG. However, the beer will still have residual sugar and if the temperature rises pro range of yeast activity, fermentation will be resumed unless you pasteurize your beer.