ANALISIS KETEPATAN WAKTU PELAKSANAAN UNSCHEDULE MAINTENANCE PESAWAT LION AIR BOEING 737-900 ER

NURMALA PUTRI, LAILY (2019) ANALISIS KETEPATAN WAKTU PELAKSANAAN UNSCHEDULE MAINTENANCE PESAWAT LION AIR BOEING 737-900 ER. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Flight punctuality is one of performances that has always been a target at almost all of the airlines, include Lion Air. One of the factors that cause delay flight departure is unavailability of aircraft on a required schedule due to maintenance process is not accomplished within time specified may cause the decreasing of aircraft fulfillment level for flight operations (Aircraft Serviceability). It is affecting the scheduled flight operations that have been planned and potentially lead to a flight delay. Lean Six Sigma is one approach for process improvement that can be used to analyze problems that occur in Lion Air aircraft maintenance process. This research used the method and steps DMAIC (Define, Measure, Analyze, Improve and Control) of Six. Some of the tools used are Tree Diagram to create a break down problems ranging from the general to the particular to determine the focus of the problems (Project Scoping), SIPOC (Supplier Input Process Output Customer) Diagram to see the general work flow of the process and to identify CTQ (Critical to Quality), flow process map to see the process in more detail and define areas that need improvement, fishbone diagrams and Pareto diagrams are used to analyze the root cause problems. This research found that the main issues that cause the decreasing of Aircraft Serviceability and TAT (Turn Around Time) Performance are Unplanned Maintenance and Extended TAT. Some root causes (X) and the most dominant causes (Big X) that contributed to the problems are time for rectification and shortages material, so that the basis of this analysis can be made to design the improvement plan and control the accomplishment time quality of aircraft maintenance process in accordance with target being expected.

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