walter k - the company I worked for at the time no longer exists, so sadly even if I were still in touch with colleagues I don't think I could get an answer. However from memory, I recall that I was told that although the demand for full power had been given by the pilots, the FADEC control had failed to respond... it wasn't that the engines had not yet spooled up to max speed, it was a matter that the FADEC had not responded to the pilot's request