History

Past service disruptions and maintenance events

28 April – 5 May 1941

No incidents

All systems operated normally during this period

21–28 April 1941

No incidents

All systems operated normally during this period

14–21 April 1941

No incidents

All systems operated normally during this period

7–14 April 1941

No incidents

All systems operated normally during this period

31 March – 7 April 1941

No incidents

All systems operated normally during this period