In this episode we take a look at air conditioning.

Here's our summary of the flow from engine to outlet vent.

On each side of the system, the bleed air leaves the engine and passes through the pack control valve and into the mixer unit. As the name suggests, it's then mixed with recirculated air from the cabin. The air leaves the mixer unit and before entering either the cabin or the cockpit, trim air valves add hot air to make it the correct temperature. This is hot bleed air which is tapped off just before it enters the packs.

The Reference for this is FCOM-DSC-21-10

The scenario of the week

Dispatch with AIR PACK 1 inop

In the Cruise you get AIR Pack 2 OVHT

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