History
Past service disruptions and maintenance events
28 August – 4 September 1972
✨
No incidents
All systems operated normally during this period
21–28 August 1972
✨
No incidents
All systems operated normally during this period
14–21 August 1972
✨
No incidents
All systems operated normally during this period
7–14 August 1972
✨
No incidents
All systems operated normally during this period
31 July – 7 August 1972
✨
No incidents
All systems operated normally during this period