Narrative:

Aircraft had odd odor upon walking onto flight deck. Packs were off; and no gse was exhausting in to the airplane/ pack inlets... We tried each pack independently to isolate; but smell remained; a few pax boarded and immediately complained of smell and got nauseous; deplaned; called maintenance and ops; wrote it up as a fume event; local maintenance took aircraft out of service and we swapped aircraft.

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Original NASA ASRS Text

Title: Airline flight crew reported a fume event during preflight resulting in passengers experiencing physiological symptoms.

Narrative: Aircraft had odd odor upon walking onto flight deck. Packs were off; and no GSE was exhausting in to the airplane/ pack inlets... we tried each pack independently to isolate; but smell remained; a few pax boarded and immediately complained of smell and got nauseous; deplaned; called Maintenance and Ops; wrote it up as a fume event; local Maintenance took aircraft out of service and we swapped aircraft.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.