A problem is currently threatening to force several airlines across the globe to ground a huge chunk of their fleet.

Pratt & Whitney’s PurePower geared turbofan engines, especially of the PW1100G variant, were revealed last year to have used a contaminated powdered metal during manufacture between 2015 and 2021.

The impact of this has had far-reaching consequences for airlines, aircraft manufacturers and Pratt & Whitney themselves.

So what exactly is happening with Pratt & Whitney engines?