ANALISIS KEANDALAN HYDRAULIC SYSTEM PESAWAT BOEING 737-800 TERHADAP PROBABILITAS KINERJA KOMPONEN ENGINE DRIVEN PUMP (EDP) DENGAN MENGGUNAKAN METODE MARKOV ANALYSIS

Mulya Pratama, Febri (2023) ANALISIS KEANDALAN HYDRAULIC SYSTEM PESAWAT BOEING 737-800 TERHADAP PROBABILITAS KINERJA KOMPONEN ENGINE DRIVEN PUMP (EDP) DENGAN MENGGUNAKAN METODE MARKOV ANALYSIS. Thesis thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Reliability is an Engineering Discipline for applying scientific knowledge to a Component, Product, Plant, or Process to ensure that these things perform their intended function without experiencing a failure, for the required duration of time in a particular environment. In the Hydraulic System ATA 29, Engine Driven Pump EDP and Electric Motor Driven Pump EMDP components experience a lot of Defect/Failure at Lion Air. The purpose of this study is to analyze the reliability of the Hydraulic System on the probability of performance of the components that experience the most Defect/Failure between Engine Driven Pump EDP or Electric Motor Driven Pump EMDP in the system so that it can determine the value of Mean Time To Failure MTTF. Knowing the probability of component performance in the system and knowing the reliability of components in the system is a reference for determining the Mean Time To Failure MTTF value in Markov Analysis. The Markov Analysis method is a mathematical abstraction that is modeled into a simple or complex form, thus forming a concept that is quite easy to calculate. Determination of the selection of Engine Driven Pump EDP components in the Hydraulic System to be analyzed based on the number of Defects/Failures that occur the most. The analyzed components are limited to 2 components, namely Engine Driven Pump EDP System A and System B components. Data is collected through field observations and from Defect Monitoring document data, component replacement History Report, and Aircraft Maintenance Manual AMM. The results showed that the Engine Driven Pump EDP component was the component that experienced the most Defect/Failure in the Hydraulic System. Reliability of the Hydraulic System against the probability of component performance on the system shows that State 1 has a maximum probability of performance, while State 2 and State 3 have a probability of performance that rises first before decreasing. In addition, the reliability of the system against the probability of component performance in the system decreases as Flight Hour increases. From the analysis results, the Mean Time To Failure MTTF value of the Hydraulic System is 17195 Flight Hour.

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