GE to roll out a Leap-1B update in 2026 to address cabin-smoke concerns; CFM is advancing certification work for finalized EEC s
GE will introduce a Leap-1B engine update this year as part of the certification process to address a cabin-smoke concern tied to activation of a load-reduction device. Separately, CFM says work on a finalized Leap-1B EEC software load is underway to resolve safety concerns affecting the 737 MAX.