do we know about the boeing 767? >> they are perfectly fine aircraft. they are a workhorse on the european runs. they are a workhorse on the south american runs. they were a wide body range from 3,000 to 6,000 miles, just under 300 passengers you can get into them. they are a nice plane and they have a long successful life. >> from my days covering the pentagon, i remember when the u.s. navy had an aircraft that had a problem or the air force had an aircraft that had a problem, they would ground them for a day or two, all of those same models to make sure there was nothing bigger. they don't do this with commercial airliners, do they? >> let's remember boeing makes the airframe but pratt whitney makes the engine. the problem happened in and around the engine, clearly, whether it was a fragmentation of the compressor or some component of the jet engine, we don't know if that's where it