Definitely loaded as 77W:
TN18MARDOHFRA
** QATAR AIRWAYS - TN ** FRA FRANKFURT.DE 18MAR18 25MAR18
1 QR 069 D DOH FRA 1 0105 0605 0 24JAN18 24MAR18 77W 7:00
2 QR 067 D DOH FRA 1 0730 1230 0 31JAN18 24MAR18 77W 7:00
Even the website is showing this but I can't upload a screenshot due to IT restrictions...