ANALISIS KEBOCORAN FUEL PUMP PADA PESAWAT BOEING 737-800NG DENGAN METODE FAULT TREE ANALYSIS DI FL TECHNIC INDONESIA

ABSHOR, ULIL (2022) ANALISIS KEBOCORAN FUEL PUMP PADA PESAWAT BOEING 737-800NG DENGAN METODE FAULT TREE ANALYSIS DI FL TECHNIC INDONESIA. Tugas Akhir thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Fuel system is an important system found in aircraft that functions as the main system in distributing fuel to the engine. So that if the fuel system components fail, it will have a bad impact on engine performance, which allows the aircraft to experience accidents and can cost lives. In this study, the direct observation method was used to observe and analyze the maintenance handling of boeing 737-800 NG aircraft at FL Technic Indonesia. The subject of this study was the fuel system of the Boeing 737-800 NG aircraft. In addition, in this study, the fault tree analysis method was used to find possible causes that would exist in the problem of the Boeing 737-800 NG aircraft fuel distribution system. The troubleshooting and remove/install process refers to the Boeing 737-800 chapter 73 AMM (PAGEBLOCK 73-11-01/401), (PAGEBLOCK 73-11-01/421). The results showed that the leak in the fuel pump was caused by a hard seal / O-ring because it had exceeded the usage limit and was exposed to continuous heat so that the seal / O-ring cracked. The results of the causes of failure from the fault tree analysis in the form of 13 basic events, namely reduced pump pressure, total fuel filter block due to FOD, fuel filter block partially due to FOD, corrosion, no electrical supply, reduced pressure, broken O-ring seal, broken gear pump, leakage, clogged due to corrosion, voltage less than 28 V, broken packing seal, and corrosion that affects the fuel system failure.

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