With the delays on the Boeing (BA) 777X program following problems with the GE9X turbofans, exclusively developed for the Boeing 777X, Boeing is facing a challenging task to close the production gap it faces as it transitions from production of the current generation Boeing 777 to production of the Boeing 777X . Back in 2014, before oil prices plunged, I still was expecting that Boeing could fill the gap. However, due to regional hesitance and overcapacity, this expectation has shown to be optimistic. As expected, Boeing shifted its sales focus to freighter aircraft