Which component requires repair if it has a single 30 mm (1 1/4 in) dent?

A single 30 mm (1 1/4 in) dent located on the corner post of a container may compromise the structural integrity and alignment of the entire container. Corner posts are critical components that provide support and stability to the overall structure of an intermodal container. They are designed to handle significant stresses during handling and transport.

Dents in this area can lead to issues such as misalignment of the doors, which might affect their proper sealing and security functions. Furthermore, since corner posts bear the load when containers are stacked, any damage could lead to further complications or failures during loading, unloading, or transport. Therefore, such a dent necessitates repair to ensure the continued safety and functionality of the container.

In contrast, although dents in the other components may be an issue, they do not typically have the same critical impact on the container's overall strength and function. Dents in door panels, roof bows, or bottom side rails may require attention, but a dent in a corner post is more significant due to the role it plays in the structural framework of the container.