History

Past service disruptions and maintenance events

30 May – 6 June 2011

No incidents

All systems operated normally during this period

23–30 May 2011

No incidents

All systems operated normally during this period

16–23 May 2011

No incidents

All systems operated normally during this period

9–16 May 2011

No incidents

All systems operated normally during this period

2–9 May 2011

No incidents

All systems operated normally during this period

25 April – 2 May 2011

No incidents

All systems operated normally during this period