TROUBLESHOOTING INDICATOR ERROR STANDBY ALTIMETER PADA PESAWAT BOEING 737-NEXT GENERATION

ALDI RACHMADANI ARYA PRADANA, FAJAR (2020) TROUBLESHOOTING INDICATOR ERROR STANDBY ALTIMETER PADA PESAWAT BOEING 737-NEXT GENERATION. Tugas Akhir thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

The standby altimeter is one of the standby navigation systems on the Boeing 737-NG which functions to indicate the altitude of an aircraft standby altimeter is an auxiliary instrument that uses an analog system. The instrument relies on differential pressure, obtained from the static port taken from the air outside the aircraft. Then the air is used to move the gear connected to the pointer. The altimeter must always be in serviceable condition, because in its use it cannot be separated from errors. One of them is an error indicator. To find out the error indicator that occurs on the standby altimeter is to perform a system test using ADTS (Air Data Test Set). Proceed to the step of identifying possible causses. Problem was found with alternate static system block. After knowing the problem, according to the Fault Isolation Manual TASK 34-13-801 the troubleshooting process was carried out by means of a flush alternate static system. Followed by a system test, the results of the indicator on the standby altimeter have shown that it is within the specified tolerance limits and can operate normally. This indicates that the problem has been resolved and the system has returned to a serviceable state.

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