Studi Kasus Temperature di Cabin Tidak Sesuai Dengan Temperature Selectors Pada Pesawat Boeing B737-900 PK-LFS
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Date
2024-07-11
Authors
Martoguan Pasaribu, Reynold
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Publisher
POLITEKNIK NEGERI BATAM
Abstract
The Air Conditioning system is one of the essential systems on an aircraft, responsible for ensuring a stable
cabin temperature during flights to create a comfortable environment for passengers and the aircraft crew.
However, issues with the aircraft's air conditioning system often lead to cabin temperature discrepancies.
One of the problems experienced is the cabin temperature not aligning with the temperature selectors on
the air conditioning system. The author's goal in discussing this issue with the air conditioning system is to
identify the root cause of the mismatch between the temperature selectors' panel and the actual cabin
temperature and to find appropriate solutions to address the problem. The steps taken to address the issue
involve studying the components and the functioning of the air conditioning system, performing
troubleshooting based on the FIM (Fault Isolation Manual) references, and conducting operational tests to
ensure the system operates correctly. During the troubleshooting process, it was found that the fan impeller
on the Air Cycle Machine (ACM) was not rotating. The rotation of the fan impeller is crucial as it helps in
drawing in atmospheric air, which is then used to cool the air coming from the engine before it is circulated
into the aircraft cabin. To resolve the issue, the corrective action taken was to replace the ACM following
the guidance provided in the Aircraft Maintenance Manual ATA 21.
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APA