History
Past service disruptions and maintenance events
31 July – 7 August 1972
✨
No incidents
All systems operated normally during this period
24–31 July 1972
✨
No incidents
All systems operated normally during this period
17–24 July 1972
✨
No incidents
All systems operated normally during this period
10–17 July 1972
✨
No incidents
All systems operated normally during this period
3–10 July 1972
✨
No incidents
All systems operated normally during this period
26 June – 3 July 1972
✨
No incidents
All systems operated normally during this period