I have heard jetBlue is taking maintenance action to correct the issue and the frequency of these events has decreased. Is this accurate?

It’s true. The wet sock smell is either the moldy pack, or the neurotoxin created by the oil getting past old worn out seals. It is a cumulative toxin, once in your system it it there for life and accumulates with each subsequent exposure until your body accumulates enough to cause you trouble. It most definately is not made up. Google it and read the medical data.

They installed HEPA filters in all the airbuses (small bandaid). They changed turbine oils (now it smells like magic marker kind of instead of dirty socks) tons less toxic oil. The maintenance procedure exists to look in certain areas for pooled oil (which would then get sucked up into the bleeds/packs). But once it’s in the system, it’s a very comprehensive tear down/cleaning and takes a lot of time. Sometimes the planes get a lot of attention, but there are a lot of repeat write-ups and the problem obviously doesn't get fixed. Oftentimes they clean some oil and just do engine runs, only for it to happen again later. 59 fume events in March. That’s 2 a day. Average is 5 a day worldwide. No, I don’t think the number of events has decreased. As awareness increases (especially with the new magic marker smell which a lot of people couldn’t identify as toxic fumes), more that would have gone unreported get reported. B6ALPA is supposedly making a committee to study it, but has been pretty mum. Airbus/IAE need a fix. Until lawsuits/deaths result and are positively linked to this issue, not much will change.

5 a day world wide, and 2 a day at B6? With all the A320s flying out there at other airlines, this seems to be more of an issue with B6.

Why does jetBlue have such a higher occurence than the average?

March could have been an anomaly. Or awareness is higher and it’s reported more. I had it often at my last airline but didn’t know what it was. It was “dirty pack filters” and brushed off. Don’t know the answer to that.

There’s a documentary on Amazon about it. “Cabin Pressure: Is the Air Toxic?” if you want to search it.


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It's a good documentary.

The IAE engined Airbuses seem to have events MUCH more often. They also have an engine oil pressure of around 250+psi. I think the high psi is a big part of the problem.

How much of the B6 A320 fleet has these engines?

100.00000%