Passengers aboard an Atlanta-bound flight at Harry Reid International Airport in Las Vegas fell ill as they awaited takeoff in triple-digit temperatures.
I work for said airline as a mechanic. Unless the APU was on MEL, they should have absolutely ran the APU for air. I don’t know which aircraft type this happened on but majority if not all can run Packs on APU.
Airplanes don’t have conventional air conditioning. The best they can do is pump in more hot air.
https://www.pilotmall.com/blogs/news/aircraft-air-conditioning-all-the-details-you-need-to-know
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I work for said airline as a mechanic. Unless the APU was on MEL, they should have absolutely ran the APU for air. I don’t know which aircraft type this happened on but majority if not all can run Packs on APU.