-------------------------------------------------------------------------------
LOCATION OF  LIGHT  HEAVY  CONTINUOUS
 LEAK  LEAKAGE  LEAKAGE  LEAKAGE
 -------------------------------------------------------------------------------
1. Open areas, where leakage  A  B  C
 cannot flow to a possible
 fire source:
 - top and bottom wing
 surfaces.
 2. Not fully closed areas:  A  B  C
 - rear walls of tank.
 3. Closed areas:  B  C  C
 - front walls of tank
 - dry bay
 - engine pylon location
 - bottom center wing-surfaces.
 KEY
 -------------------------------------------------------------------------------
TYPE OF REPAIR
 -------------------------------------------------------------------------------
A  No repair is necessary. Do a weekly
 inspection to make sure that there is no
 change of the leak rate.
 (You can do a repair if an applicable
 maintenance period is available).
 B  No immediate repair is necessary. Do a daily
 inspection to make sure that there is no
 change of the leak rate.
 Do a permanent repair at the next scheduled
 'A' or 'C' check that occurs first.
 C  Do a temporary repair immediately (before the
 next flight) (Ref. Task 51-76-12-300-003).
 Do a permanent repair during the 500 flight
 hours that follow, or at the next scheduled 'C' 
R  check if this occurs first 
R  (Ref. Task 51-76-12-300-001) 
R  or (Ref. Task 51-76-12-300-002). 
R
 NOTE : For more detailed fuel tank repair data, refer to the SIL____
 (Ref. SIL 57-086).

 1EFF : ALL 1 28-11-00Page 613 1 1 Nov 01/02 1 1 1CES 1 TANKS - CLEANING/PAINTING

_________________________
 TASK 28-11-00-100-001
 Cleaning of the Fuel Tanks
 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
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific safety barriers
 No specific adjustable access platform 4.0 m (13 ft. 1 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control 28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank 28-10-00-910-002 Access to the Fuel Tanks and the Work Areas 28-12-45-000-001 Removal of the Panel Assembly 550CB(650CB) 28-12-45-400-002 Installation of the Panel Assembly 550CB(650CB) 28-12-46-000-001 Removal of the Overpressure-Protector Outlet 28-12-46-400-001 Installation of the Overpressure-Protector Outlet 28-12-47-000-001 Removal of the NACA Vent Intake 28-12-47-400-001 Installation of the NACA Vent Intake 28-25-00-650-001 Pressure Defuel
 1EFF : ALL 1 28-11-00Page 701 1 1 Feb 01/98 1 1 1CES 1

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
 Center Tank
 28-25-00-869-001 Fuel Transfer
 57-17-11-000-001 Removal of the Covers 147AZ (148AZ)

R 57-17-11-000-001 Removal of the Access Cover 148AZ and the
R ACT-Equipment Support Door 57-17-11-400-001 Installation of the Covers 147AZ (148AZ) 57-27-11-000-001 Removal of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB) 57-27-11-000-002 Removal of the Access Panel (540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB, 550DB, 560AB, 640HB, 640JB, 640KB, ....) 57-27-11-400-001 Installation of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB) 57-27-11-400-002 Installation of the Access Panel (540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB, 550DB, 560AB, 640HB, 640JB, ....)
　
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