That two more 777s are grounded is no surprise at all. They already planned to phase out the oldest 777 "A"s last year. Two were disposed of last June and now have a hard time after a lease to Khalifa fell through.
And on the other hand I don´t see BA
replacing 744s with 773ERs anytime soon. And if later, only in small numbers. The 773 is no suitable flagship aircraft for a big operator as BA
is. On top that would also mean they would fall behind Virgin with their A380s coming. I don´t think BA
can afford such an image blow.
People would look down on them. If BA
wants to stay the big shot it still is today they must order 747 NGs or A380 in the future.