The biggest concern for Boeing was that, while chevrons were certainly effective at lowering engine noise, they also had the ...

Boeing has identified a durability issue with GE Aerospace GE9X engines powering its 777-9, though the manufacturer insists the problem will not delay planned 2027 deliveries of the widebody type.

Boeing has implemented Engine chevrons, or serrated chevron ducts, on some of its more recent aircraft designs, a feature that can reduce noise emissions and help aircraft abide by noise regulations.

Discover all inside details about what happened during airplane incident JAC AT72 at Kagoshima on Jan 25th 2026, engine ...