PENANGANAN DAN ANALISIS TERJADINYA ICING DI WATER SEPARATOR PADA AIR CONDITIONING PESAWAT BOIENG 737-300

Eko Prasetyo, Dani (2021) PENANGANAN DAN ANALISIS TERJADINYA ICING DI WATER SEPARATOR PADA AIR CONDITIONING PESAWAT BOIENG 737-300. Tugas Akhir thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

On the Boeing 737-300 aircraft, the air conditioning system is a system to regulate the air temperature and humidity in the aircraft cabin. In addition, it is also used as compressed air in the cabin to maintain the same environmental conditions as on land. Apart from that, it can also maintain cargo space and cool electronic equipment. The failure occurred based on the pilot's report that smoke or fog was in the cabin and a booming sound in the distribution system and an indication of a pack trip off was on on the overhead panel in the cockpit. In this study using direct observation of the clarification of failures in the Air Conditioning System of the Boeing 737-300 aircraft in the hangar of PT. Mulya Sejahtera Teknologi Bandung. This study also uses the Fault Tree Analysis (FTA) method to find the cause of failure in the components of the Air Conditioning System. The failure of the air conditioning system with an indication of smoke in the aircraft cabin and the booming sound heard in the distribution system was caused by ice in the water separator air conditioning system of the Boeing 737-300 aircraft. After troubleshooting, the failure of the water separator was caused by damage to the electrical connector at 35° F control valve and damage to the coalescerbag due to freezing. Based on the Fault Tree Analysis method and calculations with a minimum cut set, the cause of ice in the water separator air conditioning system is Flexible hose damage,Oil low quantity, Flexible duct leakage, Spacers broken, Duct leak, Stuck valve close, Fan crack, Loose clamp turbine inlet duct, Loose clamp,Duct dent, Clip broken,Loose locknuts, Froign object debris,,No electrical supplay,Disconnected electrical cable, Electrical conector damage, Sense line damage.

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