| Change ID | 453 |
| Risk / Impact | High |
| Reason | A service carrier is performing software upgrade to part of their network |
| Description / Impact Expected | Only UFB customers in Blenheim region will be affected by this outage. |
| Duration | Services may be impacted for up to 5 minutes during the outage window |
| Work Start Date / Time |
Thursday 6th of April 2017 at 01:00 (NZST) Wednesday 5th of April 2017 at 23:00 (AEST) |
| Work End Date / Time |
Thursday 6th of April 2017 at 06:00 (NZST) Thursday 6th of April 2017 at 04:00 (AEST) |
