B757/767 risk of operation without A/C ground
Hello i am new here
I have a question about the A/C on ground
What kind of risks are asosiated in the Boeing 757/767, the operation neither A/C nor Ground air Power supply? In an eviroment from 25 to 45 Celsius
What kind of risk are asosiated in the Boeing 757/767 to the passenger being onboard on an airplane in such condition
Thanks