Nextgenerationmechanic - Vortex Control Device, Fan Cowl Chine, or as I call it an 'engine strake'. Is a fin that controls the airflow along a part of the wing. Sometimes you see
![Turbine Of Jet Aircraft With Removed Fan Cowl Panel Stock Photo, Picture And Royalty Free Image. Image 62152128. Turbine Of Jet Aircraft With Removed Fan Cowl Panel Stock Photo, Picture And Royalty Free Image. Image 62152128.](https://previews.123rf.com/images/alskiba/alskiba1607/alskiba160700039/62152128-turbine-of-jet-aircraft-with-removed-fan-cowl-panel.jpg)
Turbine Of Jet Aircraft With Removed Fan Cowl Panel Stock Photo, Picture And Royalty Free Image. Image 62152128.
![File:JASDF C-2(68-1203) CF6-80C2K1F turbofan engine(right wing, cowl open) fan cowl door right front view at Miho Air Base May 28, 2017.jpg - Wikimedia Commons File:JASDF C-2(68-1203) CF6-80C2K1F turbofan engine(right wing, cowl open) fan cowl door right front view at Miho Air Base May 28, 2017.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/a/a0/JASDF_C-2%2868-1203%29_CF6-80C2K1F_turbofan_engine%28right_wing%2C_cowl_open%29_fan_cowl_door_right_front_view_at_Miho_Air_Base_May_28%2C_2017.jpg)
File:JASDF C-2(68-1203) CF6-80C2K1F turbofan engine(right wing, cowl open) fan cowl door right front view at Miho Air Base May 28, 2017.jpg - Wikimedia Commons
![Boeing 777 grounding explained: Pratt and Whitney engine failure involved in two incidents on same day Boeing 777 grounding explained: Pratt and Whitney engine failure involved in two incidents on same day](https://www.gannett-cdn.com/indepth-static-assets/uploads/master/4541359001/5d356e6c-60d5-43be-88af-5c70d39648b1-boeing-777-profile_pw4077.png)
Boeing 777 grounding explained: Pratt and Whitney engine failure involved in two incidents on same day
![Metallic hinges attaching the composite fan cowl to the main structure | Download Scientific Diagram Metallic hinges attaching the composite fan cowl to the main structure | Download Scientific Diagram](https://www.researchgate.net/publication/260322714/figure/fig3/AS:297222823530497@1447874851050/Metallic-hinges-attaching-the-composite-fan-cowl-to-the-main-structure.png)
Metallic hinges attaching the composite fan cowl to the main structure | Download Scientific Diagram
![Airbus A320 Family of Aircraft Engine Fan Cowl Door Loss Incidents Timelines – FOD Prevention (Foreign Object Debris Prevention) Airbus A320 Family of Aircraft Engine Fan Cowl Door Loss Incidents Timelines – FOD Prevention (Foreign Object Debris Prevention)](http://fodprevention.com/wp-content/uploads/2018/12/a320-vegas-01.jpg)