History

Past service disruptions and maintenance events

29 March – 5 April 1937

No incidents

All systems operated normally during this period

22–29 March 1937

No incidents

All systems operated normally during this period

15–22 March 1937

No incidents

All systems operated normally during this period

8–15 March 1937

No incidents

All systems operated normally during this period

1–8 March 1937

No incidents

All systems operated normally during this period