PENANGANAN DAN ANALISIS KEGAGALAN SUPLAI UDARA DINGIN PADA SISTEM AIR CONDITIONING PESAWAT BOEING 737-500 DI HANGGAR PT. MULYA SEJAHTERA TECHNOLOGY

SETIAWAN, DIDI (2021) PENANGANAN DAN ANALISIS KEGAGALAN SUPLAI UDARA DINGIN PADA SISTEM AIR CONDITIONING PESAWAT BOEING 737-500 DI HANGGAR PT. MULYA SEJAHTERA TECHNOLOGY. Tugas Akhir thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Air conditioning system is a system that functions to support the comfort and safety of passengers on the plane. In the air conditioning system there is a cooling system that serves to provide cold air inside the aircraft. Damage to the cooling system can cause the cold air supply to not work properly. In this research, the direct observation method was used to analyze the troubleshooting process on the B737-500 in the PT. Mulya Sejahtera Technology. In addition, this research also uses method fault tree analysis to find the cause of the failure of the cold air supply in the air conditioning system. The failure of the cold air supply can be detected through the indication light that lights up on the P5-P10 panel on the overhead in the cockpit, the damage is overcome by performing troubleshooting in the form of data collection, visual checks and conducting operational tests according to the directions of the aircraft maintenance manual chapter 21. Then found damage to the air cycle machine where the fracture turbine fan due to friction with the housing and damaged seals on the drain plug so that the oil seeped out. Componen replacement have been using AMM task 21-51-11-004-001 page 401 dan AMM task 21-51-11-404-022 page 402. By using fault tree analysis method, related to the failure of the cold air supply in the air conditioning system. 17 basic event were obtained, namely (1) Putaran Turbine Tidak Normal, (2) Fan Crack, (3) Oil Low Quantity, (4) Seal Leakage, (5) Electrical Source Problem, (6) Shaft Bending, (7) Buffle Dent, (8) Tube Bundle Blockage, (9) Filter Blockage, (10) Sensor Trouble, (11) Ram Air Inlet Blockage, (12) Ram Air Inlet Door Stuck, (13) Corrosion, (14) FOD, (15) Pipe Leakage, (16) Loose Clamp.

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