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originally posted by: Guyfriday
a reply to: Zaphod58
Doesn't Legionnaires Disease come from a mold that looks and feels oily? I wonder if there's more to this then just engine oil bleed. Something like mold in the air system, or do those systems get cleaned regularly?
originally posted by: Zaphod58
a reply to: Guyfriday
In many cases, the most likely culprit is a bleed air seal. It requires a certain amount of pressure to get a good seal. If it doesn't get that seal, it allows burned fuel and oil, both of which are godawful for toxins, into the cabin air system.
The problem is that in almost every case where it's that particular seal, when they ground check the aircraft, it gets a good seal, and the problem is signed off as CND and it gets returned to service.