Safety issue
| Safety issue description |
The wiring error was not detected by Metro Trains Melbourne’s verification program. |
|---|---|
| Issue number | RO-2018-019-SI-01 |
| Issue owner | Metro Trains Melbourne |
| Transport function | Rail: Passenger - metropolitan |
| Issue status | Closed – Adequately addressed |
| Date issue released | 09/10/2019 |
| Issue status justification |
Safety action taken by Metro Trains Melbourne will mitigate the risk of future wiring errors with respect to this modification. |
Safety action
| Action type | Proactive action |
|---|---|
| Action number | RO-2018-019-NSA-014 |
| Organisation | Metro Trains Melbourne |
| Action date | 09/10/2019 |
| Action description |
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. |
| Action status | Closed |