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Front #128
ABTH 102.15A
A crew operating a train with the air brakes released notices an abnormal loss of brake pipe pressure and a normal gradient established. What must the crew do?
Stop and secure the train.
Stop the train only if operating on track that exceeds 2% grade.
Continue operating the train but reduce speed to 30 mph or less.
Continue moving the train at maximum authorized speed until it reaches the next inspection point.
Answer: Stop and secure the train.Feedback:
Regardless of the territory, stop and secure the train if you experience an abnormal change in or loss of brake pipe pressure when the air brakes are released and a normal gradient established. Once stopped, inspect the train to determine the cause. Some common causes include: leak in the brake pipe or glad hands that are not properly connected.