Originally Posted by
threemiles
Seemed to be an odour problem rather than a pressurization problem.
That's why the cabin masks did not deploy.
While that is a reasonable assumption, it is not yet entirely clear, investigation running in all directions, though initial examinations didn't find anything wrong with the pressurization system indeed, according to the AAIU.
Updated report available at:
http://avherald.com/h?article=4076e82c/0001
Servus, Simon