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
Transport function: Rail: Passenger - metropolitan
Background: Investigation Report RO-2018-019
Issue release date: 09 October 2019
Current issue status: Closed – Adequately addressed
Issue status justification:

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

Safety issue description

The wiring error was not detected by Metro Trains Melbourne’s verification program.

Proactive action

Action number: RO-2018-019-NSA-014
Action organisation: Metro Trains Melbourne
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.

Last update 20 July 2020