History

Past service disruptions and maintenance events

28 March – 4 April 2011

No incidents

All systems operated normally during this period

21–28 March 2011

No incidents

All systems operated normally during this period

14–21 March 2011

No incidents

All systems operated normally during this period

7–14 March 2011

No incidents

All systems operated normally during this period

28 February – 7 March 2011

No incidents

All systems operated normally during this period