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
![Jet Engine With Fan Cowls And Thrust Reverser Cowls Open For Maintenance Stock Photo - Download Image Now - iStock Jet Engine With Fan Cowls And Thrust Reverser Cowls Open For Maintenance Stock Photo - Download Image Now - iStock](https://media.istockphoto.com/id/1131715267/photo/jet-engine-with-fan-cowls-and-thrust-reverser-cowls-open-for-maintenance.jpg?s=1024x1024&w=is&k=20&c=Oli_tppbfmB0rN8hwDsEXwtULMhJ82r0Y21RP2HGK8M=)
Jet Engine With Fan Cowls And Thrust Reverser Cowls Open For Maintenance Stock Photo - Download Image Now - iStock
![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
![boeing 737 - What does the area around the fan blades in the engine nacelle contain? - Aviation Stack Exchange boeing 737 - What does the area around the fan blades in the engine nacelle contain? - Aviation Stack Exchange](https://i.stack.imgur.com/sdqQ0.jpg)
boeing 737 - What does the area around the fan blades in the engine nacelle contain? - Aviation Stack Exchange
![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)