Hydraulic

Question 1

BLUE ELEC PUMP pb running conditions

Answer 1

The HSMU automatically controls the electric pump, in the event of an engine 1 failure in addition to a PRIM 1 or 3 loss.

Question 2

GREEN ELEC PUMP pb running conditions

Answer 2

For 25 s, in the event of a one-engine failure, when the landing selector lever is selected up and the aircraft speed is above 100 kt.

Question 3

YELLOW ELEC PUMP pb running conditions

Answer 3

• In the event of an Engine 2 failure, if the FLAPS lever is not at zero and the aircraft speed is above 100 kt, provided the green electric pump is not running for landing gear retraction. It remains running until the last engine shutdown.
• On ground, when the lever of the cargo door manual selector valve is set to the OPEN or CLOSE position. In this case, the yellow leak measurement valve closes, and yellow flap motor operation is inhibited.

Question 4

RAM AIR TURBINE deployment conditions

Answer 4

The RAT deploys automatically in the event of both engine failure or a low level in the green and yellow or green and blue reservoirs.