Pratt & Whitney says it has reduced the number of planes grounded for maintenance by a fifth from a peak last year https://www.bloomberg.com/news/articles/2026-02-04/pratt-reduces-aircraft-groundings-as-engine-maintenance-improves?taid=6982e6b89c5d9c0001fd6172&utm_campaign=trueanthem&utm_content=business&utm_medium=social&utm_source=twitter