What is an essential step if brake system performance is inconsistent?

Conducting a brake and train inspection is crucial when encountering inconsistent brake system performance because it allows for a thorough assessment of the entire braking system, identifying potential issues that could be affecting functionality. This inspection involves checking various components, such as brake shoes, hoses, and the overall condition of the brake system, ensuring that everything is operating as intended.

By systematically evaluating the brake system, any defects or malfunctions can be detected and addressed promptly, helping to maintain the safety and efficiency of the train operation. Since brakes are critical for controlling speed and stopping distance, ensuring their optimal performance is paramount for safe train handling. Inconsistent brake performance can lead to serious safety hazards, making this inspection an essential response to the issue at hand. Other options, such as resetting retaining valves or increasing train speed, do not address the root cause of the problem and may even exacerbate safety risks.