number one, acknowledging our mistake. we are going to approach it with 100% and complete transparency every step of the way. we're going to work with the ntsb, who is investigating the accident itself to find out what the root cause is. i have a long experience with this group. >> what mistake do you think he's referring to? >> the mistake that i can see so far that i know about is these bolts that were not either securely fastened or they were designed wrong, they weren't put in properly. that's what they're waiting to find out and that's the mistake that he's referring to. >> so if the faa is auditing the production line of the 737 max 9 and boeing's quality control, i'm just curious because we talked about spirit aero systems, the boeing contractor which building the 737 max 9 fuselage and it says it installed the plug that blew off the alaska airlines flight.