R R R R R R R R R R R R R  WARNING : MAKE SURE THAT THERE IS A GOOD FLOW OF AIR THROUGH THE WORK_______ AREA WHEN YOU USE SPECIAL MATERIALS. IF YOU GET ONE OF THESE MATERIALS ON YOUR SKIN, IN YOUR MOUTH OR IN YOUR EYES : -FLUSH IT AWAY WITH A FLOW OF CLEAN WATER FOR BETWEEN 10 AND 15 MINUTES. -GET IMMEDIATE MEDICAL AID IF IRRITATION OCCURS. DO NOT BREATHE THE FUMES FROM THE MATERIAL. DO NOT SMOKE WHEN YOU USE THE MATERIAL. DO NOT USE THE MATERIAL NEAR A FLAME, SPARKS OR SOURCES OF HEAT. THESE MATERIALS ARE DANGEROUS : THEY ARE POISONOUS, FLAMMABLE AND SKIN IRRITANTS.
 (1) Remove the panel (1). - For the left pylon: 414FR. - For the right pylon: 423FL.
 (2) Remove the damaged seal (3) from its support (2).
 (3) Install the panel (1). - For the left pylon: 414FR. - For the right pylon: 423FL.
R  (4) Make sure that the work area is clean and clear of tool(s) and other items. 
(5) Clean the pylon structure and the wing structure around the space where the seal was installed with CLEANING AGENTS (Material No. 11-016).
 (6) Cover the space where the seal was installed with three layers of BONDING AND ADHESIVE COMPOUNDS (Material No. 08-061) (high-speed tape).
 NOTE : Attach the first layer longitudinally over the space, the____ second and third layers diagonally so that the layers overlap each other.
 5. Close-up________
 Subtask 54-53-00-440-051
 A. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).

 Subtask 54-53-00-860-050

 B. Put the aircraft back to the serviceable condition.
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Remove the warning notice(s).

 (3)
 Remove the access platform(s).

 (4)
 Make an entry in the aircraft technical log that the aerodynamic seal of the pylon is removed and temporarily closed with high-speed tape.

 TASK 54-53-00-440-001

 Reactivation 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. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
3 seal 54-53-11 01A-260
 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 54-53-00-941-053
 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 54-53-00-040-053

 B.
 Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 54-53-00-010-051

 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 54-53-00-440-052
 A. Reactivation of the Aerodynamic Seal
 (Ref. Fig. 401/TASK 54-53-00-991-002)

 (1)
 Remove the high speed tape from the pylon structure and the wing structure.

 (2)
 Remove the panel (1).

 -
For the left pylon: 414FR.

 -
For the right pylon: 423FL.

 (3)
 Install the replacement seal (3) on its support (2).

 (4)
 Install the panel (1).
　
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