"The idling of the narrow-body aircraft is on top of three other brand new aircraft with Pratt engines that are also down.... Way down in the supply chains, there are elements missing and companies need to rebuild their production facilities.”
Source: During a telephone conference with airline industry analysts, Lufthansa CEO Carsten Spohr commented that it would temporarily ground one-third of its Zurich subsidiary’s Airbus A220 fleet, citing issues with the aircrafts’ Pratt & Whitney engines.