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PACK FLOW is limited to 80 %
L1
ASSOCIATED PROCEDURES
AIR ABNORM BLEED CONFIG
Refer to PRO-ABN-36-C AIR ABNORM BLEED CONFIG
STATUS
INOP SYS
ENG 1 (2) BLEED
AIR ENG 1(2)(3)(4) BLEED NOT CLSD
Applicable to:
L2 Engine bleed valve is unduly open during engine start, or when APU BLEED pb-sw is selected on.
L1 ENG BLEED (affected)................................................................................................................. OFF
When engine start is completed, or APU BLEED pb-sw is deselected (automatic recall):
ENG BLEED (affected).............................................................................................................ON
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
PNEUMATIC
A330/A340 FLEET PRO-ABN-36 P 3/30
FCOM 19 AUG 10
AIR ENG 1(2) BLEED NOT CLSD
Applicable to: ,
L2 This caution appears if engine bleed valve is unduly open during engine start, or when APU BLEED
pb-sw is selected on.
L1 ENG BLEED (affected)................................................................................................................. OFF
When engine start is completed, or APU BLEED pb-sw is deselected (automatic recall):
ENG BLEED (affected).............................................................................................................ON
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
PNEUMATIC
A330/A340 FLEET PRO-ABN-36 P 4/30
FCOM 19 AUG 10
AIR ABNORM BLEED CONFIG
Applicable to:
L2 One or more bleed system is faulty, off, or not supplied.
L1 If ENG BLEED is abnormally selected OFF:
ENG 1(2)(3)(4) BLEED OFF
IF BLEED NOT RECOVERED
X BLEED..........................................................................................................CLOSE OR OPEN
L2CLOSE, if:
ENG ‐ BLEED LEAK, or WING LEAK, or
‐ ENG FIRE (detected, or FIRE pushbutton pressed), or
‐ Engine start valve failed open, or
‐ Pressure-regulating valve not closed after an overpressure.
OPEN in all other cases.
L1 X BLEED OPEN
One BLEED inoperative:
L2 Pack flow is automatically limited to 112 %
L1 If engine shut down:
Reduce the bleed demand on the remaining engines (aircraft performance).
PACK FLOW................................................................................................................ LO
FWD CRG COOLING ........................................................................................OFF
Two BLEEDS inoperative:
If corresponding engines running:
Reduce the load on the remaining bleed systems (precooler performance).
PACK FLOW................................................................................................................ LO
FWD CRG COOLING ........................................................................................OFF
If at least one corresponding engine not running:
Reduce the bleed demand on the remaining engines (aircraft performance).
PACK (AFFECTED SIDE, OR PACK 1 IF BOTH SIDES AFFECTED).....................OFF
If WING ANTI ICE ON:
PACK (AFFECTED SIDE, OR PACK 1 IF BOTH SIDES AFFECTED).....................OFF
FWD CRG COOLING ........................................................................................OFF
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
PNEUMATIC
A330/A340 FLEET PRO-ABN-36 P 5/30
FCOM 19 AUG 10
AIR ABNORM BLEED CONFIG (Cont'd)
X BLEED CLOSE
One BLEED inoperative:
PACK (AFFECTED SIDE) IF WING ANTI ICE ON......................................................... OFF
TWO BLEEDS inoperative:
PACK 1 (IF BOTH SIDES AFFECTED).......................................................................... OFF
If two BLEEDS inoperative on the same side:
FWD CRG COOL .............................................................................................. OFF
WING A ICE.............................................................................................................. OFF
AVOID ICING CONDITIONS
THREE BLEEDS inoperative
PACK (ON REMAINING SIDE ONLY).............................................................................. ON
WING A. ICE....................................................................................................................OFF
AVOID ICING CONDITIONS
L12
STATUS
• Depending on the failure cases:
AVOID ICING CONDITIONS
PACK 1(2) ONLY IF WAI ON
IF ICE ACCRETION:
APPR SPD...........................................................VLS +10 KT
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 8(113)
