underfire page 132 #2630
From this article on the 787 real time Operations Center, while it is for the 787, right at the end of the video, they note that the Center also monitors the 777 real time, but just not as much data...
Boeing operations center tracks 787 flights in real time | KING5.com Seattle
It has been stated more than once MAS chose not to share date with boeing but only with RR