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LANDING GEAR
A330/A340 FLEET PRO-ABN-32 P 32/64
FCOM 19 AUG 10
L/G GRAVITY EXTENSION
Applicable to:
MAX SPEED...........................................................................................................................200 KT
Speed with main landing gear doors open (and center landing gear doors closed) is limited to
200 kt to avoid vibrations transmitted through the cabin floor.
L/G GRVTY EXTN.................................................................................................................... DOWN
CAUTION Both selector guards have to be open before selecting DOWN
L/G lever..................................................................................................................................DOWN
The landing gear lever should be confirmed in the DOWN position for the following reasons:
To extinguish the UNLK lights on ‐ landing gear indications panel.
‐ To prevent the L/G CTL message on ECAM WHEEL SD page and the L/G NOT DOWN warning
on ECAM.
‐ To minimize the risk of landing gear retraction on the ground, due to unknown system fault, when
the free fall system is reset.
GEAR DOWN indications........................................................................................................ CHECK
Center gear remains retracted in case of gravity extension.
CAUTION Nose wheel steering is lost
�� If unsuccessful:
L2 The free fall system should not be reset to avoid undesirable effect such as further fluid loss
in the event of a leak or possible landing gear unlocking in the event of a gear selector valve
jammed in UP position.
L1Note: The free fall system may be reset in flight after use for training. Provided the green
hydraulic system is available, resetting the free fall system may permit to restore
landing gear doors closure and nose wheel steering operation.
�� If unsuccessful:
Refer to PRO-ABN-32 LDG WITH ABNORMAL LG
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
LANDING GEAR
A330/A340 FLEET PRO-ABN-32 P 33/64
FCOM 19 AUG 10
L/G GRAVITY EXTENSION (Cont'd)
MAX SPEED...........................................................................................................................200 KT
Speed with main landing gear doors open is limited to 200 kt to avoid vibrations transmitted through
the cabin floor.
LDG GRVTY EXTN...................................................................................................................DOWN
Note: Both switch guards have to be open before selecting down.
L/G lever..................................................................................................................................DOWN
The landing gear lever should be confirmed in the DOWN position for the following reasons:
To extinguish the UNLK lights on ‐ landing gear indications panel.
‐ To prevent the L/G CTL message on ECAM WHEEL SD page and the L/G NOT DOWN warning
on ECAM.
‐ To minimize the risk of landing gear retraction on the ground, due to unknown system fault, when
the free fall system is reset.
GEAR DOWN indications........................................................................................................ CHECK
CAUTION Nose wheel steering is lost
�� If successful:
L2 The free fall system should not be reset to avoid undesirable effect such as further fluid loss
in the event of a leak or possible landing gear unlocking in the event of a gear selector valve
jammed in UP position.
L1Note: The free fall system may be reset in flight after use for training. Provided the green
hydraulic system is available, resetting the free fall system may permit to restore
landing gear doors closure and nose wheel steering operation.
�� If unsuccessful:
Refer to PRO-ABN-32 LDG WITH ABNORMAL LG
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
LANDING GEAR
A330/A340 FLEET PRO-ABN-32 P 34/64
FCOM 19 AUG 10
L/G GRAVITY EXTENSION (Cont'd)
L12
If the failure has disappeared the following status is displayed
�� WHEN L/G DOWNLOCKED
L/G LEVER................................................................... DOWN
Note: 1. One gravity extension reset is allowed in case
of "L/G GEAR NOT DOWNLOCKED" warning
display.
2. In all cases the free fall system should not be reset
by flight crew on the ground following free fall
extension.
�� WHEN L/G DOWNLOCKED:
L/G lever....................................................................... DOWN
Note: 1. One gravity extension reset is allowed in case
　
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