Subtask 54-52-00-040-051

 B. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 54-52-00-010-050
 C. Get Access
 (1)
 Put an access platform in position.

 (2)
 Remove the panels:

 -
For the left pylon: 413AL,

 -
For the right pylon: 423AL.

 4. Procedure
_________ Subtask 54-52-00-350-050
 A. Repair of the CAF4 Sealant (Ref. Fig. 801/TASK 54-52-00-991-002)
 (1)
 Before you do the repair of the CAF4 sealant:

 -do a check for leaks of the sealant in the area that has contamination and in the adjacent area.

 (2)
 If you find leaks, do a repair of the CAF4 sealant.

 (3)
 Repair of the CAF4 sealant.

 (a)
 In the areas where you can easily get access:

 (b)
 In the areas where you cannot easily get access: 1 Clean the sealant with CLEANING AGENTS (Material No. 11-008).

 1_ Use a scraper to remove the old sealant that has contamination
 plus 10 mm (0.3937 in.) all around the area.
 2_ Clean with CLEANING AGENTS (Material No. 11-008).
 3_ Remove the grease with CLEANING AGENTS (Material No. 11-026).
 NOTE : If there is contamination by kerozene, after you have____
 removed the sealant, clean the area with CLEANING
 AGENTS (Material No. 11-026).

_
 2 Remove the grease with CLEANING AGENTS (Material No. 11-026).

_

 CAF4 Sealant - Pylon Cantilever
 Figure 801/TASK 54-52-00-991-002
 1EFF :  ALL  1  54-52-00 Page 804 
1  1  Nov 01/99
 1  1
 1CES  1

 (c) Apply BONDING AND ADHESIVE COMPOUNDS (Material No. 08-004) on the repair areas.
 NOTE : To do this, refer to the supplier technical data-sheet.
____
 ________

5. Close-up
 Subtask 54-52-00-440-051
 A. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 54-52-00-410-050
 B. Close Access
 (1)
 Install the panels:

 -
For the left pylon 413AL,

 -
For the right pylon 423AL.

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (3)
 Remove the warning notice(s).

 (4)
 Remove the access platform(s).

 SKIN PANELS AND DOORS - REMOVAL/INSTALLATION
____________________________________________
 TASK 54-52-11-000-001 Removal of the Pressure Relief Doors 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.
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 1.50 m (4 ft. 11 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
 Maintenance 54-52-11-991-001 Fig. 401 54-52-11-991-002 Fig. 402
 3. Job Set-up
__________ Subtask 54-52-11-941-050
 A. Safety Precautions
 (1)
 On the center pedestal, on the ENG panel 115VU:

 (a) Put a warning notice to tell persons not to start the engine.

 (2)
 Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

 (3)
 On the overhead maintenance panel 50VU:

 (a)
 Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.

 (b)
 Put a warning notice to tell persons not to energize the FADEC 1(2).

 Subtask 54-52-11-040-051
 B. Aircraft Maintenance Configuration
 (1) Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 54-52-11-010-050
　
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