Subtask 54-56-00-420-052
 D. Installation of the Forward Lower Fairing
 (Ref. Fig. 401/TASK 54-56-00-991-001)

 (1) Put the centering pins in position and install the forwaed lower fairing (3):
 (a)
 For the left pylon: 473AR and 473AL

 (b)
 For the right pylon: 483AR and 483AL.

 (2) Install the washers (1), the screws (2) and tighten. Subtask 54-56-00-220-052
 E. Check of Clearance
 (Ref. Fig. 402/TASK 54-56-00-991-002)

 (1) Measure the out-of-flush clearances A1 and A2 between the primary structure and the fairings and between the forwad lower fairing and the center lower fairing.
 (a)
 A1 = 0 +1 -1 mm (0.0000 +0.0393 -0.0393 in.)

 (b)
 A2 = 0 +1.5 -1.5 mm (0.0000 +0.0590 -0.0590 in.)

 5. Close-up
________ Subtask 54-56-00-869-051
 A. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 54-56-00-410-050
 B. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install these panels :

 (a)
 For the left pylon 475AL, 476AR

 (b)
 For the right pylon 485AL, 486AR

 (3)
 Remove the access platform(s).

 (4)
 Remove the warning notice(s).

R  TASK 54-56-00-000-003 
R  Removal of the Bottom Lower Fairing 
R  1. Reason for the Job__________________ 
R  Self Explanatory 
R  2. Job Set-up Information______________________ 
R  A. Fixtures, Tools, Test and Support Equipment 
R  -------------------------------------------------------------------------------
R  REFERENCE QTY DESIGNATION 
R  -------------------------------------------------------------------------------
R  No specific warning notice 
R  No specific access platform 1.2 m (3 ft. 11 in.) 
R  B. Referenced Information 
R  -------------------------------------------------------------------------------
R  REFERENCE DESIGNATION 
R  -------------------------------------------------------------------------------
R  78-30-00-481-041 Make the Thrust Reverser Unserviceable for 
R  Maintenance 
R  54-56-00-991-009 Fig. 404 
R  3. Job Set-up__________ 
R  Subtask 54-56-00-941-056 
R  A. Safety Precautions 
R  (1) On the center pedestal, on the ENG panel 115VU: 
R  (a) Put a warning notice to tell persons not to start the engine. 
R  (2) Make sure that the engine 1(2) shutdown occurred not less than 5 
R  minutes before you do this procedure. 
R  (3) On the overhead maintenance panel 50VU: 
R  (a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) 
R  pushbutton switch is off.

R  (b) Put a warning notice to tell persons not to energize the FADEC 
R  1(2). 
R  Subtask 54-56-00-040-058 
R  B. Aircraft Maintenance Configuration 
R  (1) Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). 
R  Subtask 54-56-00-010-053 
R  C. Get Access 
R  (1) Put the access platform in position : 
R  (a) at zone 470 for the left pylon 
R  (b) at zone 480 for the right pylon. 
R  4. Procedure_________ 
R  Subtask 54-56-00-020-055 
R  A. Removal of the Forward Lower Fairing 
R  (Ref. Fig. 404/TASK 54-56-00-991-009) 
R  (1) Remove the screws (3) and the washers (2). 
R  (2) Disengage the bottom lower fairing (1).

 INTENTIONALLY BLANK

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R R  Bottom Lower Fairing Figure 404/TASK 54-56-00-991-009- 12 (SHEET 1)
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R R  Bottom Lower Fairing Figure 404/TASK 54-56-00-991-009- 22 (SHEET 2)
 1EFF : 1 1 1CES  ALL  1 111 54-56-00 Page 417 Aug 01/04

R TASK 54-56-00-400-003

R  Installation of the Bottom Lower Fairing 
R  1. Reason for the Job__________________ 
R  Self Explanatory 
R  2. Job Set-up Information______________________ 
R  A. Referenced Information 
　
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