Figure 4 from the report: DXC class locomotive arrangement
The Christchurch to Greymouth service was travelling through Tunnel 8 on the Midland line when it stopped, unable to proceed at 9:47am. TAIC has identified an engine fault led to the electrical system overheating and the train losing power.
The train was secured; an emergency declared and a locomotives from a freight train at Springfield sent to recover the train. None of the crew or 177 passengers were harmed.
The Commission is continuing its investigation and once completed with release a full report with final findings, causes, safety issues and recommendations.
Read the interim report: taic.org.nz/inquiry/ro-2026-104