DETAIL DOCUMENT
TROUBLESHOOTING AUXILIARY POWER UNIT AUTO SHUTDOWN PADA PESAWAT BOEING 737-800
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Institusion
INSTITUT TEKNOLOGI DIRGANTARA ADISUTJIPTO
Author
BUGAR DEVOSI, LAURENSIUS
Subject
T Technology (General) 
Datestamp
2024-06-05 09:04:55 
Abstract :
Auxiliary power unit provides power electricity and pneumatics to start the aircraft engine and is used to run other aircraft accessories when the aircraft engine is turned off. A failure was found in auxiliary power unit autoshutdown while on for a vulnerable time 5-10 minutes. Method use for problem solving is trough the BITE test. BITE-test was carried out to identify the cause of the auxiliary power unit to autoshutdown, BITE test found that the auxiliary power unit high oil temperature. The failure of this high temperature oil is caused by the oil cooler not being able to cool the oil properly, resulting in high oil temperature. After maintenance on the oil cooler, the auxiliary power unit can return to normal work. 
Institution Info

INSTITUT TEKNOLOGI DIRGANTARA ADISUTJIPTO