ATR 72 - 500
Pneumatic System
An overheat condition downstream of the engine bleed air shut-off valve causes:
Actuation of the OVHT alert and closure of the ENG BLEED AIR VALVE, HP BLEED AIR VALVE and associated PACK VALVE.
Actuation of the OVHT alert and closure of the ENG BLEED AIR VALVE only.
Actuation of the OVHT alert only.
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