History

Past service disruptions and maintenance events

27 December 1948 – 3 January 1949

No incidents

All systems operated normally during this period

20–27 December 1948

No incidents

All systems operated normally during this period

13–20 December 1948

No incidents

All systems operated normally during this period

6–13 December 1948

No incidents

All systems operated normally during this period

29 November – 6 December 1948

No incidents

All systems operated normally during this period