曝光台 注意防骗
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automatically, the bleed air temperature is displayed
amber because it is abnormally high. This is the
reason for the failure.
The amber FAULT light on the ENG 1 BLEED pb sw
confirms the failure.
Click on the forward arrow and observe
the ECAM BLEED page.
PNEUMATIC MENU
Abnormal Operation 9/62
The BMC detects the overheat and automatically
closes the ENG 1 BLEED valve to protect the system.
With the valve closed, the BLEED pressure falls to
0 and the temperature decreases.
The ENG 1 BLEED system is no longer available.
PNEUMATIC MENU
Abnormal Operation 10/62
Notice that the ENG 1 BLEED pb sw FAULT light
remains illuminated even though the temperature is
now within limits.
This is because the BMC considers the ENG 1
BLEED system faulty and keeps the ENG 1 BLEED
valve closed for the rest of the flight.
The PF will ask you to perform the ECAM actions.
Peerrffoorrm ECAMaaccttiioonn..
PNEUMATIC MENU Abnormal Operation 11/62
Notice that the ENG 1 BLEED pb sw FAULT light
remains illuminated even though the temperature is
now within limits.
This is because the BMC considers the ENG 1
BLEED system faulty and keeps the ENG 1 BLEED
valve closed for the rest of the flight.
The PF will ask you to perform the ECAM actions.
No. Set the X BLEED selector to the OPEN
position.
PNEUMATIC MENU Abnormal Operation 12/62
Notice that the ENG 1 BLEED pb sw FAULT light
remains illuminated even though the temperature is
now within limits.
This is because the BMC considers the ENG 1
BLEED system faulty and keeps the ENG 1 BLEED
valve closed for the rest of the flight.
The PF will ask you to perform the ECAM actions.
No. Set the X BLEED selector to the OPEN
position.
PNEUMATIC MENU
Abnormal Operation 13/62
Observe the ECAM :
• the X Bleed valve is displayed amber during transit
and in-line green when fully open
• the pressure and temperature values for the left
side of the system are back to normal because now
both sides are being supplied by engine 2.
PNEUMATIC MENU
Abnormal Operation 14/62
Afftteerr rreevviieew aanndd ccoonnffiirrmaattiioonn bbyy tthhee PFF......
Clleeaarr AIIR..
PNEUMATIC MENU Abnormal Operation 15/62
Afftteerr rreevviieew aanndd ccoonnffiirrmaattiioonn bbyy tthhee PFF......
Noo.. Prreessss eeiitthheerr CLLR kkeeyy..
PNEUMATIC MENU Abnormal Operation 16/62
Afftteerr rreevviieew aanndd ccoonnffiirrmaattiioonn bbyy tthhee PFF......
Noo.. Prreessss eeiitthheerr CLLR kkeeyy..
PNEUMATIC MENU
Abnormal Operation 17/62
If you should use wing anti ice, you will have to switch off
one air conditioning pack. We will deal with this fact later.
In the inoperative systems column, ENG 1 BLEED is listed.
After review and confirmation by the PF...
Clleeaarr STTATTUS..
PNEUMATIC MENU Abnormal Operation 18/62
If you should use wing anti ice, you will have to switch off
one air conditioning pack. We will deal with this fact later.
In the inoperative systems column, ENG 1 BLEED is listed.
After review and confirmation by the PF...
Noo.. Prreessss tthhee STTS kkeeyy oorr eeiitthheerr CLLR kkeeyy..
PNEUMATIC MENU Abnormal Operation 19/62
If you should use wing anti ice, you will have to switch off
one air conditioning pack. We will deal with this fact later.
In the inoperative systems column, ENG 1 BLEED is listed.
After review and confirmation by the PF...
Noo.. Prreessss tthhee STTS kkeeyy oorr eeiitthheerr CLLR kkeeyy..
PNEUMATIC MENU Abnormal Operation 20/62
ECAMaaccttiioonn ccoompplleetteedd..
PNEUMATIC MENU
Abnormal Operation 21/62
Now we will see what happens if you
have to use wing anti ice with the ENG 1
bleed still inoperative :
Let’s assume, you encounter icing
conditions during the remaining part of
your flight and you decide to switch on
your wing anti ice.
Swiittcchh wiinngg aannttii iicceeON..
PNEUMATIC MENU Abnormal Operation 22/62
Now we will see what happens if you
have to use wing anti ice with the ENG 1
bleed still inoperative :
Let’s assume, you encounter icing
conditions during the remaining part of
your flight and you decide to switch on
your wing anti ice.
Noo,, cclliicckk oonnWIING ppbb ssw..
PNEUMATIC MENU Abnormal Operation 23/62
Now we will see what happens if you
have to use wing anti ice with the ENG 1
bleed still inoperative :
Let’s assume, you encounter icing
conditions during the remaining part of
your flight and you decide to switch on
your wing anti ice.
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空客a320飞机概述2(78)
