-tank seals and sealant
 -structure, brackets and clamps
 -fuel pipelines, couplings, bonded items, brackets and clamps.
 -examine the leak monitor 500QM with the PURGING TOOL to see if there is a leak.

 (2)
 Talcum Powder Procedure WARNING : USE A PROTECTIVE EYE SHIELD/GOGGLES WHEN YOU USE COMPRESSED

_______ AIR. DEBRIS AND/OR HIGH PRESSURE AIR CAN DAMAGE YOUR EYES.
 CAUTION : USE THE TALCUM POWDER PROCEDURE ONLY ON THE EXTERNAL
_______
 SURFACES OF THE FUEL TANKS.

 (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 .

 1EFF : ALL 1 28-11-00Page 531 1 1 May 01/04R 1 1 1CES 1

 (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 28-11-00-410-056

 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panels 132PW, 131NW, 131PW.

 (3)
 Install the leading-edge access panels 521AB, 621AB.

 (4)
 Remove the access platform(s).

 (5) Close the main gear doors (Ref. TASK 32-12-00-410-001).
 Subtask 28-11-00-865-076

 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1QA, 2QA, 7QA, 8QA, 11QA, 12QA, 29QA, 30QA, 1QL, 2QL.

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 28-11-00-650-079
 C. Fuel 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) .
 1EFF : ALL 1 28-11-00Page 532 1 1 Aug 01/05 1 1 1CES 1R **ON A/C ALL

 Subtask 28-11-00-942-068
 D. Removal of Equipment
 (1)
 Remove the safety barriers.

 (2)
 Remove the warning notice(s).

 (3)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 1EFF : ALL 1 28-11-00Page 533 1 1 May 01/04 1 1 1CES 1 TASK 28-11-00-790-004

 Leak Test with Fuel of the Vent Surge Tank
 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 container 100 l (26.4169 USgal)
 No specific adjustable access platform 4.0 m (13 ft. 1 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 19-003 USA AMS 3819
 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
 Material No. 19-004
 WHITE TALCUM POWDER (Ref. 20-31-00)

 1EFF : ALL 1 28-11-00Page 534 1 1 Nov 01/04 1 1 1CES 1 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control 28-00-00-910-001 Fuel Safety Procedures 28-11-00-790-002 Leak Test with Fuel of the Wing-Tank Outer and Inner
 Cells 28-25-00-650-001 Pressure Defuel 28-25-00-869-001 Fuel Transfer 57-27-11-000-002 Removal of the Access Panel (540HB, 540JB, 540KB,
　
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