trikko,
Glamgirl posted above what happened:
Pax have reached their destination after a night stop in the Azores. A replacement aircraft was sent out the next day to fly everyone to IAD, and the original aircraft is still in the Azores until the problem is fixed.
Gg
Going on from that the post before yours states that the plane itself has returned to the UK, and ar77's post near the top of the thread gives the pax view of the incident