History

Past service disruptions and maintenance events

25 July – 1 August 2011

No incidents

All systems operated normally during this period

18–25 July 2011

No incidents

All systems operated normally during this period

11–18 July 2011

No incidents

All systems operated normally during this period

4–11 July 2011

No incidents

All systems operated normally during this period

27 June – 4 July 2011

No incidents

All systems operated normally during this period