I read somewhere that the 787 is about to start functional and reliability testing, which is the last obstacle before certification. Although they plan to do ETOPS testing before deliveries start, it could be certified without ETOPS.
As I understand it, F&R testing requires 300 flight hours on new engines, 150 hours on engines that have been used for a while. Is this still correct? Does the testing have to be done all on one aircraft, or can several do it in parallel? At 6 hours/day the 300 hours would take nearly 2 months. I suppose they could fly longer each day. Do they often do that in F&R testing?
On the 777 project I think the type was certified just a few days after F&R testing ended.