History

Past service disruptions and maintenance events

25 December 1939 – 1 January 1940

No incidents

All systems operated normally during this period

30 January – 6 February 1939

No incidents

All systems operated normally during this period

23–30 January 1939

No incidents

All systems operated normally during this period

16–23 January 1939

No incidents

All systems operated normally during this period

9–16 January 1939

No incidents

All systems operated normally during this period

2–9 January 1939

No incidents

All systems operated normally during this period