Final Report AO-2013-008: Boeing 737-300, ZK-NGI, Loss of cabin pressure, near Raglan, Waikato, 30 August 2013
![feature identification - What is this device below the door of a 737 (and other aircraft)? - Aviation Stack Exchange feature identification - What is this device below the door of a 737 (and other aircraft)? - Aviation Stack Exchange](https://i.stack.imgur.com/Dlasd.jpg)
feature identification - What is this device below the door of a 737 (and other aircraft)? - Aviation Stack Exchange
B737Theory - Cargo Compartments air. There is some confusion about the cargo compartments related to air inside the holds. The current Boeing CBT's explain that air from the Equipment Cooling System and
Outflow Valve controls the airflow out of the airplane fuselage for pressurization control. It consists of two gates (aft and fwd) with comb design to... | By The 737 Handbook | Facebook
![Common design fault and unsafety in Boeing 737; backup system fails when primary system fails - Product Safety by Design Common design fault and unsafety in Boeing 737; backup system fails when primary system fails - Product Safety by Design](https://safety.productions/wp-content/uploads/2021/01/trial1-1.jpg)