THE FAILURE OF AIR CONDITIONING SYSTEM IN B737NG AIRCRAFT

Abstract

The analysis done by the FMEA and RCFA methods shows that the main cause of the damage because of the accumulation of impurities. And it often occurs in the Heat Exchanger (Hx) component. In Indonesia with the special condition  where the air has a relatively higher humidity and air temperature, it is recommended to clean the heat exchanger more frequently to prevent dirt build up and avoid the problem of AC in producing hot air on the ground. In the standard maintenance manual the heat exchanger must be cleaned with 2000 FC (Flight Cycle) intervals, then the heat exchanger cleaning interval is changed to around 1000 FC (Flight Cycle) based on calculations performed by GMF

Keywords

FMEA, AC and GMF

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References

Boeing, 2018, Aircraft Maintenance Manual 737NG Chapter 21, Boeing, United State.
Ilham Aulia, 2014, Analisis penyebab kegagalan air conditioning system Boeing 737-900 ER
Hendra, 2009, Analisis keandalan komponen air conditioning system pada pesawat Boeing 737-900 Er mengunakan metode distribusi weibull
Stamatis, D.H. 1995. Failure Mode And Effect Analysis : FMEA from Theory to Execution Milwaukee : ASQC QualityPress
SAEJ-1739, Failure Mode and Effect Analysis, AIAG & ASQC, USA
Boeing 737NG Specification Copyright © 2008-2018 www.airlines-inform.com All right reserved (diakses 29 agustus 2019)

http://dx.doi.org/10.28989/vortex.v1i1.722

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