In November 2017, a crack was found in a different fan blade not covered by the initial mandate and the FAA determined that the failure could potentially occur in any fan blade on a CFM56-7B engine.
ngoNovemba 2017, ufa lwatholakala kolunye uphephela olwalungemboziwe, i-FAA yacabanga ukuthi ukwehluleka kuzodaleka kunoma yiluphi olunye uphephela enjinini ye-CFM56-7B.