During a visual inspection, what type of corrosion is particularly concerning?

The most concerning type of corrosion during a visual inspection is rust or severe pitting that compromises structural integrity. This type of corrosion suggests that there is significant material loss, weakening the component's ability to bear loads and perform its function safely.

When rust leads to pitting, it creates small holes or depressions that can penetrate deeply into the material, ultimately leading to faults that may not be immediately visible. Such structural weaknesses can lead to catastrophic failures or dangerous malfunctions in the chassis. Monitoring and addressing this level of corrosion is crucial in equipment maintenance and safety assessments.

In contrast, surface rust that can easily be cleaned, minor surface discoloration, and corrosion on non-critical components are generally less concerning. While they may indicate the presence of moisture or other environmental factors, they typically do not affect the overall structural integrity of the chassis. These forms of corrosion might warrant attention for aesthetic reasons or potential long-term effects, but they do not present an immediate risk to safety or functionality like severe corrosion does.