History

Past service disruptions and maintenance events

27 December 1847 – 3 January 1848

No incidents

All systems operated normally during this period

20–27 December 1847

No incidents

All systems operated normally during this period

13–20 December 1847

No incidents

All systems operated normally during this period

6–13 December 1847

No incidents

All systems operated normally during this period

29 November – 6 December 1847

No incidents

All systems operated normally during this period