Chicago-Bound Flight Diverted After Mid-Air 10,000-Foot Drop - NBC News
NBC News:
"The Indianapolis Airport Authority indicated the plane dropped 10,000 feet mid-flight, but a spokesman for ExpressJet, which operates United Express, said there was a "pressurization issue" on board and could not confirm just how far the plane dropped.
Airline spokesman Jarek Beem noted that it is standard procedure for planes to drop to a 10,000 foot altitude when there is a pressure issue on board"
More to come?!