Analisis Akar Penyebab Kegagalan pada Sistem Bahan Bakar, Pengisian Daya, dan Hidraulik Baggage Towing Tractor Menggunakan Diagram Fishbone dan Analisis 5 Why
DOI:
https://doi.org/10.38035/sjtl.v4i3.1229Keywords:
Root Cause Analysis, Fishbone Diagram, Baggage Towing Tractor, Biodiesel, Pemeliharaan PreventifAbstract
Ground Support Equipment (GSE) merupakan peralatan pendukung yang berperan penting dalam menjamin kelancaran pelayanan pesawat udara di sisi darat. Keandalan Bagage Towing Tractor sangat menentukan kelancaran proses penanganan bagasi, keselamatan operasi, dan kontinuitas pelayanan bandar udara. Penelitian ini bertujuan mengidentifikasi akar penyebab kerusakan pada Bagage Towing Tractor bermesin diesel Isuzu 4JB1-T yang mengalami penyimpanan dalam waktu lama tanpa dioperasikan. Penelitian menggunakan metode deskriptif kualitatif dengan pendekatan Root Cause Analysis (RCA) yang dipadukan dengan Fishbone Diagram dan 5 Why Analysis. Data diperoleh melalui inspeksi visual, pengujian fungsi, analisis riwayat pemeliharaan, dan wawancara dengan teknisi pemeliharaan. Hasil penelitian menunjukkan empat jenis kerusakan dominan, yaitu kerusakan sistem pengisian baterai, kerusakan feed pump bahan bakar, kebocoran seal power steering hidraulik, serta kerusakan trigger starter. Analisis menunjukkan bahwa penuaan komponen, penyimpanan kendaraan tanpa pengoperasian, degradasi biodiesel selama penyimpanan, korosi akibat kelembapan lingkungan, dan tidak dilaksanakannya pemeliharaan preventif merupakan akar penyebab utama kerusakan. Temuan penelitian menunjukkan bahwa sebagian besar kerusakan tidak disebabkan oleh keausan operasi, tetapi oleh degradasi selama masa penyimpanan. Oleh karena itu, diperlukan penerapan program pemeliharaan preventif, pengoperasian berkala selama penyimpanan, pengendalian kualitas bahan bakar, pengelolaan sistem pengisian baterai, serta penggunaan material elastomer yang kompatibel dengan biodiesel untuk meningkatkan keandalan Ground Support Equipment.
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