Subtask 54-50-00-410-051

 B. Close Access
 (1) Install the panels:
 -
For the left pylon 413AL, 471AL, 471BL, 475AL.

 -
For the right pylon 423AL, 482AR, 482BR, 486AR.

 (2) Install the pylon lateral access-doors: R (Ref. TASK 54-51-21-400-001)
 -
For the left pylon 415AL, 415BL.

 -
For the right pylon 425AR, 425BR.

 (3)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (4)
 Remove the warning notice(s).

 (5)
 Remove the access platform(s).

 TASK 54-50-00-200-002

R Flow Check of Individual Drain Lines of Pylon System
 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
__________________
 Refer to the MPD TASK: 545000-02
 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. 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
 54-50-00-991-009 Fig. 603
 54-50-00-991-010 Fig. 604

 3. Job Set-up
__________
 Subtask 54-50-00-941-053

 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 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 54-50-00-040-051
 B. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 54-50-00-010-052
 C. Get Access
 (1)
 Put an access platform in position at zone 400.

 (2)
 Remove the panels:

 -
For the left pylon: 413AL, 415BL, 471AL, 471BL

 -
For the right pylon: 423AL, 425BR, 482AR, 482BR

 4. Procedure
_________
 Subtask 54-50-00-210-052

 A. Inspection R (Ref. Fig. 603/TASK 54-50-00-991-009)
 (1)
 Routing (1)

 (a)
 Pour water in the area of the drain inlets of the line (1), located on the front upper spar between ribs 3 and 4 and on rear spar between ribs 6 and 7.

 (b)
 Make sure that the drain inlets are not obstructed and that the water flows freely.

 (c)
 Make sure that the water flows freely at the outlet of the drain line (1) located on the lower spar of the forward fairing.

 (2)
 Routing (2)

 (a)
 Pour water in the aera of the drain inlet of the drain line (2).

 (b)
 Make sure that the drain inlet is not obstructed and that the water flows freely.

 (c)
 Make sure that the water flows freely at the outlet of the drain line (2) located on the lower spar of the forward fairing.

 (3)
 Dry the inspected drain lines and the area of the drain inlets with compressed air.

R  Drain system of Forward Fairing Figure 603/TASK 54-50-00-991-009
 1EFF : 1 1 1CES  ALL  1 111 54-50-00 Page 609 Feb 01/04

 Subtask 54-50-00-210-053
 B. Inspection of the Drain of the Lower Fairing R (Ref. Fig. 604/TASK 54-50-00-991-010)
 (1)
 Pour water in the drain inlet located on the aft part of the lower spar.

 (2)
 Make sure that the drain inlet is not obstructed and that the water flows freely.
　
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