Causes

Rapid depressurization in airline accidents

Official investigators identified rapid depressurization in 2 of the incidents we cover, from 2018 to 2024. Each account explains how it arose in that case. A shared topic does not mean the same cause.

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Rapid depressurization incident summary
DateFlightAircraftLocationFatalitiesReport status
5 January 2024Alaska Airlines Flight 1282Boeing 737-9, a member of the 737 MAX familyClimb after departure from Portland International Airport0LEVEL 3 Final report
17 April 2018Southwest Airlines Flight 1380Boeing 737-7H4Not statedOne fatality and eight minor injuriesLEVEL 3 Final report
NTSB investigators holding the recovered Alaska 1282 door plugThe recovered door plug on 8 January 2024: National Transportation Safety Board

Alaska Airlines Flight 1282

A missing set of securing bolts let a door plug move out of position. The crew returned to Portland with everyone alive.

Incident date:

LEVEL 3 Final report

Two NTSB investigators examining Flight 1380's damaged left engine, with the engine's internal components exposed.Investigation photograph: National Transportation Safety Board

Southwest Airlines Flight 1380

A fractured fan blade triggered structural damage, a cabin window loss and an emergency diversion.

Incident date:

LEVEL 3 Final report