what s happened? that s about one quarter of their entire main line planes. and these travel across the country. a computer system that measures the altitude and the speed and then feeds that into the autopilot, you want that computer working. and we should note, they have been working. the issue here, though, is that they need some additional maintenance. united put out a statement saying further operational checks were necessary following a modification to the 757 air data computers. all systems have been fully functional. however, because of this maintenance that hadn t been done, united did have to cancel some flights. 15 yesterday, more today inconveniencing passengers. we just found out that the faa has sent a message to all 757s that they have to be inspected before they can fly. they haven t told us what the issue is. we don t know how long it s going to take. they just said there was some