3 Mitigation steps include:
■ LUL - Initially, operators applied the defective in-service guidelines in a blanket fashion. This required that the Emergency Response Unit, the Infracos and LUL all attend any situations where there was a reported smell of burning. But in many cases, there was no problem with the train or the cause of the problem was much less serious than a hot axle box. Station staff and duty managers are now trained to explicitly identify when and when not to call the various parties to attend the incident based on a judicious assessment of the risks involved.
■ Infraco JNP - Axle box replacement and the introduction of thermal imaging units and hot axle box monitors.