ANALISIS KEGAGALAN AUXILIARY POWER UNIT PADA PESAWAT BOEING 737-800 MENGGUNAKAN METODE DMAIC DI PT GMF AEROASIA TBK

IMAN, ACHMAD NUR (2023) ANALISIS KEGAGALAN AUXILIARY POWER UNIT PADA PESAWAT BOEING 737-800 MENGGUNAKAN METODE DMAIC DI PT GMF AEROASIA TBK. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

APU is a small gas turbine engine. This machine has a single shaft and operates at a constant speed. One of the uses of APU as an energy source to rotate the engine when the engine starts with a pneumatic source. Based on data obtained from the engineering department of PT. GMF Aeroasia, there were 361 problems with APU on the B737-800 aircraft that occurred in 2017-2019 that disturb aircraft operational. Therefore, an analysis was carried out to find out the cause and provide recommendations for solutions to minimize the case. The method used to perform data analysis and processing is the DMAIC method of identifying the causes of APU failures and making recommendations to minimize cases. Data on the service life of components when unscheduled removal is calculated using the weibull distribution so that the component time can be obtained until it fails and the level of reliability of the component so that cases of APU failure can be minimized. Based on results of the pareto diagram analysis, the main cause of APU failure is due to the case of no APU rotation shutdown. After FMEA analysis, it was found that starter generator failure was the main problem with an RPN value of 450. Therefore, a reliability analysis is carried out and it is recommended to do preventive maintenance by replacing the starter generator components periodically before reaching 6330 flight hours. Keyword: APU, APU failure, FMEA, Weibull APU merupakan mesin turbin gas berukuran kecil. Mesin ini memiliki single shaft dan beroperasi pada kecepatan konstan. Salah satu kegunaan APU adalah memanfaatkannya sebagai sumber energi untuk memutar mesin pada saat engine start dengan sumber pneumatik. Berdasarkan data yang diperoleh dari departemen engineering PT. GMF Aeroasia, terdapat 361 masalah dengan APU pada pesawat B737-800 yang terjadi pada tahun 2017-2019 yang menyebabkan terganggunya operasional pesawat. Oleh karena itu, dilakukan analisis untuk mengetahui penyebabnya dan memberikan rekomendasi solusi untuk meminimalisir kasus tersebut. Metode yang digunakan untuk melakukan analisis dan pengolahan data adalah metode DMAIC mengidentifikasi penyebab kegagalan APU dan membuat rekomendasi untuk meminimalisir kasus. Data usia pakai komponen saat dilakukan unscheduled removal dihitung menggunakan distribusi weibull sehingga dapat diperoleh waktu komponen hingga mengalami kegagalan dan tingkat reliability komponen tersebut sehingga kasus kegagalan APU dapat diminimalisir. Berdasarkan hasil analisis diagram pareto, penyebab utama kegagalan APU karena kasus no APU rotation shutdown. Setelah dilakukan analisis FMEA, didapatkan bahwa kegagalan starter generator merupakan permasalahan utama dengan nilai RPN sebesar 450. Oleh karena itu, dilakukan analisis reliability dan direkomendasikan untuk melakukan preventive maintenance dengan mengganti komponen starter generator secara berkala sebelum mencapai 6330 flight hours. Kata Kunci: APU, APU failure, FMEA, Weibull

Item Type: Thesis (S1)
Call Number CD: FT/IND. 23 014
Call Number: ST/16/23/017
NIM/NIDN Creators: 41621110025
Uncontrolled Keywords: APU, APU failure, FMEA, Weibull
Subjects: 100 Philosophy and Psychology/Filsafat dan Psikologi > 150 Psychology/Psikologi > 154 Subconscious and Altered States and Process/Psikologi Bawah Sadar > 154.6 Sleep Phenomena/Fenomena Tidur > 154.63 Dreams/Mimpi > 154.634 Analysis/Analisis
300 Social Science/Ilmu-ilmu Sosial > 320 Political dan Government Science/Ilmu Politik dan Ilmu Pemerintahan > 322 Relation of The State of Organized Groups/Hubungan Negara dengan Kelompok Sosial yang Terorganisir > 322.3 Business and Industry/Bisnis dan Industri
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 620.1-620.9 Standard Subdivisions of Engineering and Applied Operations/Subdivisi Standar Dari Ilmu Teknik dan operasi Terapan
Divisions: Fakultas Teknik > Teknik Industri
Depositing User: ADELINA HASNA SETIAWATI
Date Deposited: 10 Mar 2023 08:07
Last Modified: 10 Mar 2023 08:07
URI: http://repository.mercubuana.ac.id/id/eprint/74984

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