(a)
 Dry the area of the possible leak with a MISCELLANEOUS (Material No. 19-003).

 (b)
 Dry the area fully with a low pressure, dry and filtered air supply.

 (c)
 Apply MISCELLANEOUS (Material No. 19-004) to the area with a soft brush.

 (d)
 Monitor the area for a change in color of the talcum powder. This will show the location of a fuel leak and the rate of the leakage.

 5. Close-up
________ Subtask 28-11-00-410-070
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the applicable access panels (Ref. TASK 57-27-11-400-002):

 -
for the left wing 560AB

 -
for the right wing 660AB.

 1EFF : ALL 1 28-11-00Page 538 1 1 May 01/04R 1 1 1CES 1

 (3)
 Install the applicable leading-edge access-panels:

 -
for the left wing 522PB, 522RB, 522TB

 -
for the right wing 622PB, 622RB, 622TB.

 (4)
 Install the applicable trailing-edge access-panels:

 -for the left wing 575JB, 575KB, 575LB, 575MB
 -for the right wing 675JB, 675KB, 675LB, 675MB.
 Subtask 28-11-00-865-078

 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit
 breaker(s): R 1QA, 2QA, 7QA, 8QA, 11QA, 12QA, 29QA, 30QA, 1QL, 2QL.
 Subtask 28-11-00-860-063
 C. Aircraft Configuration
 (1) Refuel, defuel or transfer fuel as necessary (Ref. TASK 28-25-00-650-001) (Ref. TASK 12-11-28-650-003) (Ref. TASK 28-25-00-869-001).
 Subtask 28-11-00-942-072
 D. Removal of Equipment
 (1)
 Remove the safety barriers.

 (2)
 Remove the containers.

 (3)
 Remove the access platform(s).

 (4)
 Remove the warning notice(s).

 (5)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 1EFF : ALL 1 28-11-00Page 539 1 1 May 01/04 1 1 1CES 1 TASK 28-11-00-790-005

 Leak Test of the Wing Tanks and Vent Surge Tank (without Fuel) by the Local Blowing Procedure
 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
 START A TASK ON OR NEAR:

 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE.
 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
 GEAR.

 1. Reason for the Job
__________________
R R Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
 No specific low pressure, dry and filtered air supply
 No specific safety barriers
 No specific soft brush
 No specific adjustable access platform 4.0 m (13 ft. 1 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-004  USA MIL-L-25567 TYPE I
 OXYGEN LEAK DETECTOR (Ref. 20-31-00)

 1EFF : ALL 1 28-11-00Page 540 1 1 Nov 01/04 1 1 1CES 1 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-003 27-50-00-866-008 27-50-00-866-009 27-60-00-866-002 28-10-00-910-001 28-10-00-910-002 28-25-00-650-001 28-25-00-650-003
28-25-00-869-001 57-27-11-000-001
57-27-11-000-002
57-27-11-400-001
57-27-11-400-002
3. Job Set-up
__________
 Subtask 28-11-00-941-082
 A. Safety Precautions
Pressure Refuel with Automatic Control
Extension of the Flaps on the Ground
Retraction of the Flaps on the Ground
Extension-Retraction of the Spoilers for Maintenance
Safety Procedures When You Do Work in a Fuel Tank
Access to the Fuel Tanks and the Work Areas
Pressure Defuel
To Drain Remaining Fuel from the Wing Tanks and the
　
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