When a hot box suspects a hot journal, what is required?

When a hot box suspect alerts for a potential hot journal, it is crucial to check for the specific hot axle. This is because the hot journal is an indication of an overheating component due to excessive friction, which could lead to a critical failure if not addressed promptly. By concentrating on identifying the affected axle, the crew can take appropriate actions, such as stopping the train and conducting a thorough inspection or maintenance on that specific area.

Focusing on the hot axle is essential to ensure safety and prevent potential derailments or accidents due to component failure. While inspecting the entire train may seem comprehensive, the priority must be on addressing the immediate concern posed by the hot journal. Monitoring speed limits may also play a role in mitigating risk, but identifying and addressing the hot axle takes precedence to ensure the integrity of the train and the safety of passengers and crew.