N807AA · 787-8

Whilst performing flight AA-153 from Chicago to Tokyo Narita at FL380 approx. 760nm North of Seattle, still in Canadian Airspace the crew noted decreasing pressure of the flight crew oxygen system. The crew discussed this with dispatch and then maintenance and chose to divert to Seattle. The aircraft descended to FL250 and no approach to Seattle declared an emergency due to being overweight. Maintenance found the captains oxygen mask was leaking.

Whilst performing flight AA-153 from Chicago to Tokyo Narita at FL380 approx. 760nm North of Seattle, still in Canadian Airspace the crew noted decreasing pressure of the flight crew oxygen system. The crew discussed th…

First Flight

Rolled out (New Aircraft)

Entered Final Assembly

Assigned as ZA824

Built at Everett

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Build Type - Production Standard