History
Past service disruptions and maintenance events
29 August – 5 September 1977
✨
No incidents
All systems operated normally during this period
22–29 August 1977
✨
No incidents
All systems operated normally during this period
15–22 August 1977
✨
No incidents
All systems operated normally during this period
8–15 August 1977
✨
No incidents
All systems operated normally during this period
1–8 August 1977
✨
No incidents
All systems operated normally during this period