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‐ The destination EFOB turns to amber on the F.PLN (or on the FUEL PRED) page,
or
‐ ″DEST EFOB BELOW MIN″ appears on the MCDU scratchpad.
If visibility permits, leak source may be identified by a visual check from the cabin.
WHEN A LEAK IS CONFIRMED
LAND ASAP
LEAK FROM ENGINE/PYLON CONFIRMED:
Engine fuel leak can be confirmed by excessive fuel flow indication, or a visual
check.
THR LEVER (of affected
engine).................................................................................................. IDLE
ENG MASTER (of affected
engine)............................................................................................... OFF
FUEL X FEED..............................................................................................................
USE AS RQRD
If the leak stops, the crossfeed valve can now be opened to re-balance fuel quantity,
or to enable
use of fuel from both wings. Do not restart the engine.
LEAK FROM ENGINE/PYLON NOT CONFIRMED or LEAK NOT
LOCATED:
Stop any fuel transfer, and then monitor the depletion rate of each wing tank, to
determine if the leak
is from an engine or a wing (case 1), or from the Center tank or the APU feeding line
(case 2).
FUEL X FEED......................................................................................................
MAINTAIN CLOSED
The crossfeed valve must remain closed to prevent the leak from affecting both sides.
CTR TK L+R
XFR.......................................................................................................................... OFF
Each engine is fed via its associated wing tank only.
WING TANK FUEL
QUANTITIES........................................................................................ MONITOR
Monitor the depletion rate of each wing tank.
CASE 1 : IF ONE WING TANK DEPLETES FASTER THAN THE OTHER
BY AT LEAST
300 kg (660 lb ) IN LESS THAN 30 min:
An engine leak may still be suspected. Therefore:
THR LEVER (engine on leaking
side).................................................................................... IDLE
ENG MASTER (engine on leaking
side)................................................................................. OFF
FUEL LEAK....................................................................................................................
MONITOR
If leak stops:
If the wing tank fuel quantity of the affected side stops decreasing, the engine leak is
confirmed and stopped.
CTR TK L+R
XFR...............................................................................................................ON
FUEL X FEED................................................................................................. USE AS
RQRD
The crossfeed valves can now be opened to re-balance fuel quantity, or to enable use
of
fuel from both wings. Do not restart the engine.
If leak continues (after engine shutdown):
The wing tank fuel quantity of the affected side continues to decrease. If the leak has
not
stopped after engine shut down, a leak from the wing may be suspected.
ENGINE
RESTART................................................................................................CONSIDER
To be continued on next page
ABN-28
3/4
AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET , , , , , , , ,
, , , , MSN
FUEL LEAK (Cont'd)
CTR TK XFR (non-leaking
side).........................................................................................ON
CAUTION Do not apply the FUEL IMBALANCE procedure. Approach and landing
can be
done, even with one full wing/one empty wing.
CASE 2 : IF BOTH WING TANKS DEPLETE AT A SIMILAR RATE:
A leak from the Center tank or the APU feeding line may be suspected.
If fuel smell in the cabin:
APU (if
ON)....................................................................................................................... OFF
This prevents additional fuel loss through the APU feeding line.
When fuel quantity in one wing tank is less than 3 t (6 600 lb ):
CTR TK L+R
XFR...............................................................................................................ON
FOR LANDING
CAUTION Do not use reversers.
GRVTY FUEL FEEDING
ENG MODE
SEL..................................................................................................................................
... IGN
AVOID NEGATIVE G FACTOR
DETERMINE GRAVITY FEED CEILING:
Consult the following table to determine the flight altitude limitation.
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A318/A319/A320/A321QRH快速检查单QUICK REFERENCE HAND BOOK3(43)
