![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
![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 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/XWqSC.jpg)