What action should be taken if a flagger is not available when a train is notified of a crossing malfunction?

In the scenario where a train is notified of a crossing malfunction, the appropriate action is to stop and provide a warning until the crossing is clear. This is crucial for ensuring safety. When a crossing is malfunctioning, there may be a risk of vehicles or pedestrians being present, which could lead to accidents if the train proceeds without taking precautions. By stopping and providing a warning, the train crew can alert any nearby personnel or operators of the potential danger, allowing them time to clear the crossing. This proactive approach is essential to prevent collisions and ensure the safety of all individuals near the railroad tracks during a malfunction.