Which structural support parts are subject to corrosion in avionics?

The choice identifying housings, covers, supports, brackets, cabinets, and chassis correctly acknowledges the structural components most vulnerable to corrosion in avionics systems. These parts are typically made from various metals or metal alloys, which, when exposed to moisture, salt, and pollutants present in the aviation environment, can initiate and accelerate corrosion processes.

Corrosion is a significant concern for structural components because it can lead to material degradation, loss of integrity, and ultimately compromise the safety and functionality of the avionics systems. Housings and covers protect internal components but are also exposed to environmental factors that can lead to corrosion. Additionally, supports and brackets bear loads and can be more prone to wear, which can expose bare metal surfaces to corrosive elements.

Other options, while they may include components that can be affected by corrosion to some extent, do not encompass the full scope of structural support parts commonly impacted. Wires and connectors, fasteners and seals, and electrical circuits generally focus on different aspects of avionics hardware. Wires and connectors are more centered on electrical function and connectivity, fasteners and seals are often designed to hold components together or keep out moisture rather than being structural themselves, and electrical circuits pertain more to the functionality of the system than to physical