History
Past service disruptions and maintenance events
26 July – 2 August 1971
✨
No incidents
All systems operated normally during this period
19–26 July 1971
✨
No incidents
All systems operated normally during this period
12–19 July 1971
✨
No incidents
All systems operated normally during this period
5–12 July 1971
✨
No incidents
All systems operated normally during this period
28 June – 5 July 1971
✨
No incidents
All systems operated normally during this period