Pressurization Cycles News Today : Breaking News, Live Updates & Top Stories | Vimarsana

something. i'm caitlin collins, and this is the source. it has been one week now since defense secretary lloyd austin was admitted to the icu. tonight, not only do we still not know what exactly is sitting, there we don't know why his staff did not tell the white house for days using him in the white house. but nonetheless, in intensive care. the lack of transparency from the top u.s. military official, especially while the u.s. is dealing with multiple crises around the world, has resulted in some calls for austin's resignation. the top republican on the senate armed services commit...

year of campaigning. now it is time to vote. one week from tonight, we could know who won iowa. donald trump is about to raise from the courtroom to the campaign trail and pack again as his rivals are hoping to pull off an upset. also tonight, the missing piece of that alaskan airlines plane that blew off at 16,000 feet in the air has now been found. more planes are being grounded for inspections as one major airline says they found something. i'm kaitlan collins, and this is "the source." it has been one week now since defense secretary lloyd austin was admitted to the icu. toni...

These airplanes are in during manufacture at boeing, even though the tube is actually made by a vendor, when it gets to boeing, boeing is using that particular door for bringing in interior parts and that kind of thing during the assembly process. once that's done, it has to be, of course, reconnected. and then it has to be sealed. the bolts have to be in place and it has to be signed off. the question is, why are these bolts coming loose? and there's a number of reasons for it, i'm sure. >> what would those reasons be? >> well, when you look at it, depending on the type of bolt and nut assemb...

That kind of thing during the assembly process. once that is done, it has to be reconnected, then asked to be sealed, both have to be in place and has to be signed off. the question is, why are these boats coming loose? there is a number of reasons for it, i'm sure. >> what with those reasons me? >> when you look at it, the -- depending on the type of new and bold assembly they are using, that airplane, the tube itself is constantly blowing up and shrinking with pressurization cycles. of course then you have the twisting moment of that fuselage to from aerodynamic loads. like anything else, a ...

A total of 288 currently operating in the u.s. we have 931 worldwide. how about industrywide? is there a concern about this particular jet? >> well, there's a concern about the aging fleet generally. you probably recall the 1988 aloha accident -- >> oh, sure. >> -- which really gave birth to the whole aging aircraft program and there are strict directives that they complied with in inspecting airplanes as they get older. so, this is another very serious data point. this is a very troubling event here. >> okay. the life span of a plane, though, it should not be calculated just in terms of numbe...