ANALISA DAN PENANGANAN KEGAGALAN CENTRALIZER NOSE WHEEL STEERING PADA PESAWAT FOKKER F27-500 F MENGGUNAKAN METODE FAULT TREE ANALYSIS DI PT MERPATI MAINTENANCE FACILITY

FEBRIANSYAH, VIAN (2022) ANALISA DAN PENANGANAN KEGAGALAN CENTRALIZER NOSE WHEEL STEERING PADA PESAWAT FOKKER F27-500 F MENGGUNAKAN METODE FAULT TREE ANALYSIS DI PT MERPATI MAINTENANCE FACILITY. Tugas Akhir thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

The nose wheel steering is a component of the nose landing gear that serves to cafable the pilot direct the aircraft when it is taxied on the ground as disered. The pilot will have difficulty in directing the nose wheel of the aircraft if there is damage to the nose wheel steering. This happens because the aircraft operates frequently, thereby reducing the performance of these components. To keep the aircraft safe and airworthy, regular maintenance must be carried out. In carrying out maintenance on the Fokker F27-500F aircraft, an indication of damage to the nose landing gear was found, namely the nose wheel steering system. Therefore, troubleshooting was carried out to solve the problem. Solving problems in this study using observation methods, data collection and fault tree analysis methods used to analyze the causes of damage to the nose wheel steering. This research also refers to AMM Section 32-50-00 when doing troubleshooting work to avoid technical errors. The troubleshooting process is carried out by checking the nose wheel steering, namely the pneumatic line, control valve, and centralizer unit. Troubleshooting in this study uses observation methods, data collection methods and fault tree analysis methods used to analyze the causes of damage to the nose wheel steering. This research also refers to AMM Section 32-50-00 when doing troubleshooting work to avoid technical errors. The troubleshooting process is carried out by checking the nose wheel steering, namely the pneumatic line, control valve, and centralizer unit. The results of this troubleshooting were then analyzed using the fault tree analysis method and it was found that the damage occurred to the tubing control valve which had a leak caused by aircraft vibrations, damage to the screaper seal and clutch piston that was worn out. Then analyzed by fault tree analysis method which obtained 6 basic events, namely seal crack, fatigue, tubing leakage, connector lead loose, clutch piston worn out, piston damage (FOD). So that a replacement was carried out according to the AMM Fokker F27-500F, after the replacement was carried out then an operational test was carried out and the results were that the nose wheel steering returned to normal.

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