Rail safety issues and actions

Wiring error was not detected

Issue number: RO-2018-019-SI-01
Who it affects: Passenger rail transport operations
Issue owner: Metro Trains Melbourne
Operation affected: Rail: Passenger - metropolitan
Background: Investigation Report RO-2018-019
Date: 09 October 2019

Safety issue description

The wiring error was not detected by Metro Train Melbourne’s (MTM) verification program.

Proactive Action

Action organisation: Metro Trains Melbourne
Action number: RO-2018-019-NSA-014
Date: 09 October 2019
Action status: Closed

The low-note whistle wiring document has been updated to provide further clarity and to prevent future wiring errors with respect to this modification. In addition, maintainers involved in low-note whistle modification work have been briefed and re-trained on the modification method statements. Further, completed modification work will require self-checks and supervisor checks.

Current issue status: Adequately addressed
Status justification:

Safety action taken by Metro Trains Melbourne will mitigate the risk of future wiring errors with respect to this modification.

Last update 10 October 2019