MAT,
Just to be clear, are there or are there not RR Trent powered B777 200ERs?
Your last post appeared to be a lot of bluster because you won't admit you are wrong.
I'll talk to you about engines because YOU made the erroneous statement that there are no RR powered 777ERs when there are.
EICAS messages are Warnings, Cautions and Alerts. They are displayed on the upper DU and appear automatically outside inhibited flight segments.
Status messages appear on this Status page, and have no associated condition statements or non-normal checklists.
That's the difference.