At 0554 on 12 December 2017, a fracture was identified on the bogie frame of the 39th wagon of train TM78A. The defect was identified during a roll-by inspection as the train was departing Kooragang Coal Terminal, New South Wales.
The ATSB has commenced an investigation into the incident, which will be undertaken by officers from the NSW Office of Transport Safety Investigations, under the provisions of the Transport Safety Investigation Act 2003. Investigators have commenced collecting evidence, statements from involved parties and other necessary information. The investigation is continuing.
A final report will be released at the conclusion of the investigation.