Just saying, given the fact that RR received engine data for 5hrs of flight, while Malaysia Airlines presumably assumed it's B777 flew for only about an hour, I can assure you that those real-time engine data are obtained/accessible to both Malaysia Airlines engine's department of engineering as well as RR.
It is just unclear how, on the 5th day of searching, that they decided to check engine data, both from RR and Malaysia Airlines (who are apparently opposing that 5hrs engine flight data that RR is saying to have obtained). All I am saying is, there is a lot not being told.
p.s. What are they saying at the press conference? I don't have access where I am..