History

Past service disruptions and maintenance events

25 December 1989 – 1 January 1990

No incidents

All systems operated normally during this period

30 January – 6 February 1989

No incidents

All systems operated normally during this period

23–30 January 1989

No incidents

All systems operated normally during this period

16–23 January 1989

No incidents

All systems operated normally during this period

9–16 January 1989

No incidents

All systems operated normally during this period

2–9 January 1989

No incidents

All systems operated normally during this period