TROUBLESHOOT PASSENGER OXYGEN SYSTEM DI PESAWAT DC-9

FAUZA, DIDA (2018) TROUBLESHOOT PASSENGER OXYGEN SYSTEM DI PESAWAT DC-9. Tugas Akhir thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Commercial aircraft that use cabin pressurized systems are equipped with oxygen systems. The oxygen system serves to provide oxygen supply to passengers and crew when cabin pressure drop occurs. Should there be cabin pressure drop, the oxygen system automatically works and lowers masks throughout the cabin and certain places. This is to make it easier for passengers to get oxygen supply during an emergency. The problem discussed is the component of the container door mask that could not open when the control lever of the pressure regulator is in the automatic position. Troubleshoot is done in accordance with the AMM DC-9 ATA aircraft chapter 35- 20-00. It is performed by testing the pressure regulator component, container door mask and supply line. If a failure occurs during the testing process from one component, then the component must be replaced and retested. After troubleshooting, it could be concluded that the causes of container door failure is a broken pressure regulator. After the component is replaced then a retest is performed, the system works normally. An indication of a container door working normally is the container door opens automatically if there is a pressure drop.

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