with the latest on that search. hi christy never. >> hybrid today was the first full day for ntsb to be on the ground in oregon investigating what caused the section of the boeing 737 max nine to blow out in the sky friday evening this plant is new it went into service in november ntsb will look into the aircraft maintenance records, pressurization system and any components regarding the de- activated emergency cap endure the blew right off that plane 171 passengers and six crew members were on the alaska airlines flight. no one was seriously injured but ntsb chairwoman still address the emotional impact of this terrifying situation. >> we do not often talk about psychological injury. but i am sure that occurred here. so on behalf of the national transportation safety board i would like to extend our deepest sympathies to those that experience what i imagine was truly terrifying.