PENANGANAN DAN ANALISIS PENYEBAB KERUSAKAN CREW OXYGEN SYSTEM BOEING B737-800 NG MENGGUNAKAN METODE FAULT TREE ANALYSIS DI HANGGAR PT. GMF AEROASIA

KURNIA, FEBY (2022) PENANGANAN DAN ANALISIS PENYEBAB KERUSAKAN CREW OXYGEN SYSTEM BOEING B737-800 NG MENGGUNAKAN METODE FAULT TREE ANALYSIS DI HANGGAR PT. GMF AEROASIA. Tugas Akhir thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

When the B737-800NG aircraft fails to supply air while flying, the oxygen system will provide oxygen supply from the generator to the cabin and the cockpit is supplied from the oxygen cylinder. When experiencing a decrease in air pressure, the aircraft will lower the flight altitude. When the fast plane supplies oxygen to the passengers through the PSU and is above the oxygen, it uses an oxygen mask in each PSU that is above the passenger. Likewise for the crew, there is no PSU with oxygen cylinders, regulators and oxygen masks, when the plane lacks oxygen, the pilot uses oxygen from the plane's cylinders. The oxygen supply system both in the cabin and cockpit is very important, especially for the crew. This study aims to analyze the causes of failure in the oxygen system B737-800 NG trouble low pressure and repair it in the GMF AeroAsia hangar. This study also uses the identification of the cause of failure to find out what can cause failure in the oxygen system with the fault tree analysis method. The inspection results found a leak in the disconnect fitting which is corroded and causes a decrease in pressure in the cylinder. Followed by analyzing the causes of failure that may arise using FTA, obtained 23 basic events that can cause failure in the Top Event (TE).

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