History

Past service disruptions and maintenance events

25 December 1978 – 1 January 1979

No incidents

All systems operated normally during this period

30 January – 6 February 1978

No incidents

All systems operated normally during this period

23–30 January 1978

No incidents

All systems operated normally during this period

16–23 January 1978

No incidents

All systems operated normally during this period

9–16 January 1978

No incidents

All systems operated normally during this period

2–9 January 1978

No incidents

All systems operated normally during this period