Page 45 - Demo

2.10/29
REV 9
A330
REV 9
PAGE 29
FUEL IMBALANCE
– FOB...........................................................................CHECK Compare the FOB + FU with the FOB at departure. If the difference is significant, or if the FOB + FU decrease, suspect a fuel leak.
Caution:
1. A fuel imbalance may indicate a fuel leak. Do not apply this procedure, if a fuel leak is suspected. Refer to the FUEL LEAK procedure.
2. In the case of an ENG FEEDLINE BURST followed by an ENG SHUTDOWN, if fuel of the tank associated to the affected engine is required, do not open the WING XFEED valve and apply the procedure below that corresponds to the case of the WING XFEED valve failed closed.
– WING X FEED.................................................................. ON ■ If the WING X FEED valve is open :
Onthelighterside:
– (ALL) FUEL PUMPS (STBY then
MAIN 1 and MAIN 2) ....................................... OFF
Note: While pumps are OFF, disregard the corresponding FUEL WING PUMPS LO PR ECAM caution.
Whenfuelbalanced:
– PUMPS (MAIN 1 and MAIN 2
then STBY) ........................................................ ON – WING X FEED.................................................... AUTO
■ If the WING X FEED valve is failed closed or in the case
of an engine feed line burst :
– OUTER TK XFR ........................................................... ON This will connect the inner fuel tanks via the refueling gallery.
– STRAIGHT FLIGHT ......................................... MAINTAIN Maintain straight flight legs to apply this procedure.
– AP .............................................................................. OFF Disconnect the AP to reach the targeted bank angle and the appropriate rudder position during the maneuver.
– BANK ANGLE........3 WING DOWN ON LIGHTER SIDE Fuel transfer only occurs if the bank angle is at, or above, 2 to 3 degrees.
– USE RUDDER TO KEEP HDG
Adjust rudder position to keep heading and neutral stick.
– RUDDER TRIM ..................................... AS NECESSARY
WHEN FUEL XFRD :
– OUTR TK XFR.................................................... AUTO – NORM ROLL ATTITUDE................................RETURN – RUDDER TRIM......................................NORMAL USE – AP ON .......................................................... AS RQRD