[af_vet_1981]

I found it;

Passengers who have or cause a malodorous condition (other than individuals qualifying as disabled);

The family would have to show there was bias to overcome the contract of carriage.

[imardmd1]

Great job! Now, if the odiferous nature of this affair is up to the judgment of the chief pilot and captain of the aircraft alone, the airline ought to be totally in the clear.