Analisis Kegagalan Cabin Rate Of Climb Indicator P/N Wl501rc1 Pada Boeing 737-800 Di PT. GMF AEROASIA Tbk.

Farhan Anchiby; Djoko Herwanto; Nawang Kalbuana

doi:10.55606/teknik.v6i1.8580

Analisis Kegagalan Cabin Rate Of Climb Indicator P/N Wl501rc1 Pada Boeing 737-800 Di PT. GMF AEROASIA Tbk.

Authors

Farhan Anchiby Politeknik Penerbangan Indonesia Curug
Djoko Herwanto Politeknik Penerbangan Indonesia Curug
Nawang Kalbuana Politeknik Penerbangan Indonesia Curug

DOI:

https://doi.org/10.55606/teknik.v6i1.8580

Keywords:

Aircraft maintenance, Cabin Rate of Climb Indicator, Fishbone Diagram, Pareto Analysis, Root Cause Analysis

Abstract

This study analyzes the recurrent failure of the Cabin Rate of Climb Indicator (P/N WL501RC1) on Boeing 737-800 aircraft maintained by PT. GMF AeroAsia Tbk. The research aims to identify the main causes of unscheduled removals and propose improvement strategies to enhance maintenance reliability. The study employs a qualitative method using the Root Cause Analysis (RCA) approach, supported by Pareto and Fishbone diagrams. Data were obtained through interviews, field observations, and technical documentation, including Component Removal Reports and Out-of-Tolerance Notifications. The results show that “Housing Leak” is the dominant failure mode, accounting for 46% of total cases between 2019 and 2024. The root causes were linked to human error in O-ring installation, outdated work procedures, reduced test bench accuracy, substandard repaired materials, and environmental exposure affecting component elasticity. Corrective and preventive actions include technical training, updated maintenance documentation, and stricter quality control on materials and testing equipment. These findings provide a practical basis for improving MRO performance and aircraft operational reliability.

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Published

2026-03-28

How to Cite

Farhan Anchiby, Djoko Herwanto, & Nawang Kalbuana. (2026). Analisis Kegagalan Cabin Rate Of Climb Indicator P/N Wl501rc1 Pada Boeing 737-800 Di PT. GMF AEROASIA Tbk. Jurnal Teknik Mesin, Elektro Dan Ilmu Komputer, 6(1), 60–77. https://doi.org/10.55606/teknik.v6i1.8580