History

Past service disruptions and maintenance events

23 February – 1 March 1976

No incidents

All systems operated normally during this period

16–23 February 1976

No incidents

All systems operated normally during this period

9–16 February 1976

No incidents

All systems operated normally during this period

2–9 February 1976

No incidents

All systems operated normally during this period

26 January – 2 February 1976

No incidents

All systems operated normally during this period