Identifikasi Penyebab Terjadinya Landing Gear Indication Tidak Berfungsi Normal pada Pesawat Boeing 737-900 ER

Mohamad Alif Dzulfiqar; Nabila Ayu Saputri; Muhammad Andi Nova; James Siregar; Lalu Giat Juangsa Putra; Nur Rafia Dija; Meilani Mandhalena

doi:10.30871/ji.v17i1.9510

Authors

Mohamad Alif Dzulfiqar Politeknik Negeri Batam
Nabila Ayu Saputri Politeknik Negeri Batam
Muhammad Andi Nova Politeknik Negeri Batam
James Siregar Politeknik Negeri Batam
Lalu Giat Juangsa Putra Politeknik Negeri Batam
Nur Rafia Dija Politeknik Negeri Batam
Meilani Mandhalena Politeknik Negeri Batam

DOI:

https://doi.org/10.30871/ji.v17i1.9510

Keywords:

Landing gear indication system, fishbone analysis, sensor, Boeing 737-900ER

Abstract

The Boeing 737-900 ER aircraft has a system called landing gear indication which in its application uses a proximity sensor that is useful in providing information about the position of the landing gear. However, this system can experience problems where if the landing gear indication does not function, the pilot cannot obtain information from the instrument that ensures the position of the landing gear. The purpose of this study is to identify problems that often occur in the landing gear indication system on the aircraft. The analysis was carried out using the Root Cause Analysis (RCA) method with the Fishbone Diagram approach. From the identification results, it was found that the main cause was a problem with the proximity switch sensor experiencing corrosion and changes in position which caused the signal reading to be inaccurate. For this reason, it is necessary to replace components and adjust the sensor position so that the system can run properly.

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