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.
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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.