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L2 Descend at maximum appropriate speed. However, if structural damage is suspected, use the
flight controls with care and reduce speed as appropriate.
Landing gear may be extended below 21 000 ft. In this case, speed must be reduced to
VLO/VLE.
L1 SIGNS.....................................................................................................................................ON
ENG START SEL.................................................................................................................... IGN
ATC................................................................................................................................. NOTIFY
L2Notify ATC of the nature of the emergency and state intentions.
If ATC cannot be contacted, select ATC code A7700 or transmit a distress message on one of
the following frequencies:
(VHF) 121.5 MHz, or (HF) 2 182 kHz, or 8 364 kHz.
L12
Note: To save oxygen, set the oxygen diluter selector to the N position.
With the oxygen diluter selector set to 100 %, oxygen quantity may not be sufficient
for the entire descent profile.
Ensure that the flight crew can communicate wearing oxygen masks.
Avoid the continuous use of the interphone to minimize the interference from the noise
of the oxygen mask.
When descent is established, and if time permits, check that the OUTFLOW VALVES
are closed on the CAB PRESS ECAM page. If they are not closed and ΔP is positive,
select manual control and the V/S CTL sw to full down.
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
AIR CONDITIONING / PRESSURIZATION / VENTILATION
A330/A340 FLEET PRO-ABN-21 P 35/70
FCOM 19 AUG 10
CAB PR EXCESS CAB ALT (Cont'd)
L1 �� IF CAB ALT > 14 000 FT:
PAX OXY MASKS...........................................................................................................MAN ON
L2Contact the cabin crew to confirm that the passenger oxygen masks are released.
Notify the cabin crew, when a safe flight level has been reached, and oxygen mask use can be
stopped.
CAB PR SYS 1(2) FAULT
(ONE SYSTEM AFFECTED)
Applicable to: ,
L2Crew awareness.
STATUS
INOP SYS
CAB PR 1(2)
CAB PR SYS 1(2) FAULT
(ONE SYSTEM AFFECTED)
Applicable to: MSN ,
,
L2Crew awareness.
STATUS
INOP SYS
CAB PR 1(2)
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
AIR CONDITIONING / PRESSURIZATION / VENTILATION
A330/A340 FLEET PRO-ABN-21 P 36/70
FCOM 19 AUG 10
CAB PR SYS (1+2) FAULT
(BOTH SYSTEMS AFFECTED)
Applicable to: ,
�� If one door not locked closed on ground:
CAB PR INHIB BY DOORS
�� In all other cases:
L2 Due to the slow closure of the outflow valve in manual pressurization mode and depending on
the failure, the following procedure may not avoid a depressurization.
L1MODE SEL............................................................................................................................MAN
MAN VALVE SEL.................................................................................................................BOTH
MAN V/S CTL................................................................................................................AS RQRD
L2Monitor cabin V/S and cabin altitude frequently and adjust as necessary.
Maintain aircraft altitude at or above cabin altitude. It may take 10 s in manual mode before the
crew notices a change of the outflow valve position.
The two safety valves limit ΔP to 8.85 PSI.
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
AIR CONDITIONING / PRESSURIZATION / VENTILATION
A330/A340 FLEET PRO-ABN-21 P 37/70
FCOM 19 AUG 10
CAB PR SYS (1+2) FAULT (Cont'd)
(BOTH SYSTEMS AFFECTED)
L12
STATUS
MAN CAB PR CTL:
TGT V/S: CLIMB 500 FT/MIN
TGTV/S: DES 300 FT/MIN
A/C FL CAB ALT TGT
410 8000
350 6500
300 5000
250 2500
<200 0
�� DURING FINAL APPR:
MAN V/S CTL........................................................... FULL UP
When on intermediate approach (below 2 500 ft),adjust ΔP =
0.
When ΔP is zero, select FULL UP to fully open both outflow
valves.
CAUTION Check that ΔP is zero before opening doors.
INOP SYS
CAB PR 1 + 2
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
AIR CONDITIONING / PRESSURIZATION / VENTILATION
A330/A340 FLEET PRO-ABN-21 P 38/70
　
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