Boeing’s 777X program is not expected to slip because of a problem previously identified with the GE9X engine’s “mid-seal,” according to GE Aerospace’s chief financial officer. GE says the engine has been redesigned with a new mid-seal intended to resolve the issue, and that this change is not forecast to affect the planned timing of the 777X entering service.

The comment comes as the 777X program has already faced delays, keeping attention on whether engineering fixes and certification timelines could push deployment beyond the target. Simple Flying reports that GE’s CFO directly addresses schedule risk, framing the redesigned mid-seal as maintaining progress toward a 2027 service entry.

Other coverage from Seeking Alpha aligns with this overall message, stating that GE Aerospace expects the mid-seal issue will not delay the 777X’s entry into service. Together, the outlets emphasize the same point: GE views the mid-seal redesign as sufficient to prevent further schedule impact, even as the broader program remains under scrutiny for its delayed rollout plans.