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Analysis of Failure States of Functional Systems of Aircraft Such as Boeing 737 in the Airline Cover

Analysis of Failure States of Functional Systems of Aircraft Such as Boeing 737 in the Airline

Open Access
|Dec 2023

Figures & Tables

Figure 1.

Distribution of failures by systems (with orange denoting total failures, and grey part removal).
Distribution of failures by systems (with orange denoting total failures, and grey part removal).

Figure 2.

Number of navigation system component failures.
Number of navigation system component failures.

Figure 3.

Visual material of probability of safe operation.
Visual material of probability of safe operation.

Figure 4.

Trends of the PIREP (pilot report) generator.
Trends of the PIREP (pilot report) generator.

Figure 5.

Trends in the PIREP (pilot report) generator drive mechanism.
Trends in the PIREP (pilot report) generator drive mechanism.

Figure 6.

Unscheduled replacement of the airplane speed indicator after flight hours.
Unscheduled replacement of the airplane speed indicator after flight hours.

The most frequently removed avionics devices_

No.Name of objectPart numberNumber of components replacedt (h)ωtP(t)
1Mach Airspeed indicator2083-11-11261003005001.95 · 10–25.85 · 10–29.76 · 10–20.98070.94310.9070
2Transmission assay constant speed735511A1031003005001.60 · 10–24.79 · 10–27.98 · 10–20.98420.9533x0.9233
3EFIS Control panel622-8001-350701003005001.08 · 10–23.25 · 10–25.42 · 10–20.98920.96800.9472
4Standby horizon indicatorH341ANM1691003005002.14 · 10–26.41 · 10–21.07 · 10–10.97890.93790.8987
5Panel audio select5145-1-64611003005006.30 · 10–31.89 · 10–23.15 · 10–20.99370.98130.9690
6VOR/ILS receiver822-0761-001611003005009.45 · 10–32.83 · 10–24.72 · 10–20.99060.97210.9539
7GCU948F458-5561003005005.78 · 10–31.73 · 10–22.89 · 10–20.99420.98280.9715
8generator976J498-2541003005005.58 · 10–31.67 · 10–22.79 · 10–20.99440.98340.9725
9Altimeter2057-01-1531003005008.21 · 10–32.46 · 10–24.10 · 10–20.99180.97570.9598
10Transponder822-1338-003491003005007.59 · 10–32.28 · 10–23.79 · 10–20.99240.97750.9628
11Symbol generator622-9436-101491003005007.59 · 10–32.28 · 10–23.79 · 10–20.99240.97750.9628
Language: English
Page range: 71 - 78
Submitted on: Nov 17, 2021
Accepted on: Nov 7, 2023
Published on: Dec 8, 2023
Published by: ŁUKASIEWICZ RESEARCH NETWORK – INSTITUTE OF AVIATION
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2023 Jevgenijs Terescenko, Vladimir Shestakov, Andris Vaivads, published by ŁUKASIEWICZ RESEARCH NETWORK – INSTITUTE OF AVIATION
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.