The SimBrief given route a few days ago between VHHH and EGLL didn’t accept fully into the FF 767 CDU.
Route is:
VHHH/07R ATENA1X BEKOL A461 IDUMA W22 TEPID W90 POU A599 LXI W148
XSJ W146 GULOT A599 CTG B465 CEA G450 JJS B209 KKJ L333 MERUN L750
RANAH B449 DUKAN L850 ADEKI N644 ROLIN UN644 GAKSU DCT ODERO DCT
DEGET DCT OGVUN DCT MOVOS DCT RENKA DCT BATTY DCT SASKI L608 LOGAN
LOGAN2H EGLL/27L
It fell apart at L850 to UN644. Waypoints where completely absent between them mostly.