History
Past service disruptions and maintenance events
30 November – 7 December 1981
✨
No incidents
All systems operated normally during this period
23–30 November 1981
✨
No incidents
All systems operated normally during this period
16–23 November 1981
✨
No incidents
All systems operated normally during this period
9–16 November 1981
✨
No incidents
All systems operated normally during this period
2–9 November 1981
✨
No incidents
All systems operated normally during this period
26 October – 2 November 1981
✨
No incidents
All systems operated normally during this period