From the CX port page info:
RWY 16L/34R is only 7,100' in length and during normal operation it's use is restricetd to A330/A340 and Boeing 777-200/300 ( excluding 300ER ) with an approved slot on this runway.
Captains only Landing, no contamination allowed. etc
So.........the 777-200's AND 300's ( except ER ) CAN use it WITH an approved slot.
This is obviously CX, but is approved by the NRT authorities and would apply to all operators.