fume event
... that a fume event occurs when cabin air in a pressurized aircraft is contaminated with potentially hazardous chemicals?
... that a <b id="mwDn8"><a href="./Fume_event" id="mwDoA" rel="mw:WikiLink" title="Fume event">fume event</a></b> occurs when cabin air in a pressurized aircraft is contaminated with potentially hazardous chemicals?