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FCOM 19 AUG 10
WHEEL HYD SEL FAULT
Applicable to:
L2 Failure of normal brake selector valve, or the steering selector valve, in the open position:
If the normal brake selector valve is failed open, full green hydraulic ‐ pressure is present at
normal servovalves’ entry.
Nosewheel steering remains available.
‐ On ground, do not tow the aircraft with the green hydraulic system pressurized: If the steering
selector valve is failed open, nosewheel steering remains pressurized, and so towing may either
break the towbar shear pin, or the nose gear (if towbarless towing).
‐ If the steering selector valve is failed open, setting A/SKID & N/W STRG sw to OFF will cause
the nosewheel to go to maximum deflection.
L1 A/SKID & N/W STRG...........................................................................................................KEEP ON
L2 As long as antiskid is operative, brake pressure is regulated by normal servovalves.
WHEEL HYD SEL FAULT
Applicable to:
,
,
MSN,,
4538,,
L2 Failure of normal brake selector valve, or the steering selector valve, in the open position:
‐ If the normal brake selector valve is failed open, full green hydraulic pressure is present at
normal servovalves’ entry.
Nosewheel steering remains available.
‐ On ground, do not tow the aircraft with the yellow hydraulic system pressurized: If the steering
selector valve is failed open, nosewheel steering remains pressurized, and so towing may either
break the towbar shear pin, or the nose gear (if towbarless towing).
‐ If the steering selector valve is failed open, setting A/SKID & N/W STRG sw to OFF will cause
the nosewheel to go to maximum deflection.
L1 A/SKID & N/W STRG...........................................................................................................KEEP ON
L2 As long as antiskid is operative, brake pressure is regulated by normal servovalves.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
LANDING GEAR
A318/A319/A320/A321 FLEET PRO-ABN-32 P 64/76
FCOM 19 AUG 10
WHEEL TYRE LO PR
Applicable to:
, ,
MSN
L2Crew awareness.
RESIDUAL BRAKING PROC
Applicable to: ALL
IN FLIGHT:
BRAKE PEDALS.................................................................................. APPLY SEVERAL TIMES
Press the brake pedals several times. This could zero a residual pressure on the alternate
system.
IF RESIDUAL PRESSURE REMAINS:
A/SKID & N/W STRG selector................................................................................KEEP ON
IF AUTOBRAKE IS AVAILABLE:
FOR LANDING......................................................................................AUTO/BRK MED
Using MED mode gives immediate priority to normal braking upon landing gear
touchdown, which cancels residual alternate pressure.
IF AUTOBRAKE IS NOT AVAILABLE:
JUST AFTER TOUCHDOWN.............................................................. APPLY BRAKING
Pressing the brake pedals gives immediate priority to normal braking, which cancels
residual alternate pressure.
Beware of possible braking asymmetry after touchdown, which can be controlled by using
the pedals.
Note: In case of taxi with deflated or damaged tires, Refer to LIM-32 TAXI WITH
DEFLATED TIRES.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
LANDING GEAR
A318/A319/A320/A321 FLEET PRO-ABN-32 P 65/76
FCOM 19 AUG 10
BRAKES PRK BRK ON
Applicable to:
,
,
MSN,,,,
L2 Parking brake is selected in flight.
L1 PARK BRK.................................................................................................................................. OFF
BRAKES NORM BRK FAULT
Applicable to: ,
L2Normal braking function is lost.
Crew awareness
L12
STATUS
LDG DIST PROC................................................................APPLY
Refer to 99 Duref Cible QRH, or Refer to 99 Duref Cible FCOM.
ALTN Y BRK WITH A/SKID
CAT 2 ONLY
INOP SYS
CAT 3
NORM BRK
AUTO BRK
BRAKES NORM BRK FAULT
Applicable to:
L2Normal braking function is lost.
Crew awareness
To be continued on next page
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
LANDING GEAR
A318/A319/A320/A321 FLEET PRO-ABN-32 P 66/76
FCOM 19 AUG 10
BRAKES NORM BRK FAULT (Cont'd)
L12
STATUS
LDG DIST PROC................................................................APPLY
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 10(46)
