(8)
 Install the spring (11). Subtask 54-52-11-210-051

 C. Test
 (1) Open and close the pressure relief doors to make sure that they are assembled correctly.

 5. Close-up
________ Subtask 54-52-11-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install these access doors:

 (a)
 For the left pylon: 413DL, 413CL, 414CR

 (b)
 For the right pylon: 423DL, 423CL, 424CR

 (3)
 Remove the warning notice(s).

 (4) Remove the access platform(s). Subtask 54-52-11-040-052
 B. Aircraft Maintenance Configuration
 (1) Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).

 PYLON-TO-WING CENTER FILLETS - DESCRIPTION AND OPERATION
________________________________________________________
 1. Description___________ (Ref. Fig. 001) The center section consists of :
 -Light alloy ribs attached to the upper rearward pylon box
 -Lateral access doors installed on the ribs and made of composite material.
 -This compartment (compartment F) includes a pressure relief door to
 prevent any overpressure in case of an air duct failure

 -All the access panels are bolted.

 Pylon to Wing Center Fillets
 Figure 001
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 PYLON-TO-WING CENTER FILLETS - DEACTIVATION/REACTIVATION
________________________________________________________
 TASK 54-53-00-040-001
 Deactivation of the Aerodynamic Seal
 1. Reason for the Job
__________________
 Refer to the CDL TASK: 54-6
 Nacelles : Pylon
 Aerodynamic Seals

 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific warning notice
 No specific access platform 1.7 m (5 ft. 7 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 08-061 USA MIL-T-4053 TAPE SOUND DAMPENINGALUMINIUM FOIL (Ref. 20-31-00) Material No. 11-016 USA BOEING BAC 5000 BAC 5504 BAC 5750 CLEANING SOLVENT (Ref. 20-31-00)
 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
78-30-00-081-041 Make the Thrust Reverser Serviceable after Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for Maintenance 54-53-00-991-002 Fig. 401

 3. Job Set-up
__________
 Subtask 54-53-00-941-052

 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 overheat 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. Subtask 54-53-00-040-051

 B.
 Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 54-53-00-010-050

 C. Get Access
 (1) Put the access platform in position.
 (a)
 At zone 410 for the left pylon.

 (b)
 At zone 420 for the right pylon.

 4. Procedure
_________
 Subtask 54-53-00-040-052

 A. Deactivation of the Aerodynamic Seal
 (Ref. Fig. 401/TASK 54-53-00-991-002)

R WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THIS/THESE
_______ R MATERIAL/S. R USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.

 Aerodynamic Seal Deactivation/Reactivation
 Figure 401/TASK 54-53-00-991-002
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