(b)  
With the cheesecloth, rub the areas the sealant will touch.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(c)  Permit the cleaned areas to dry fully.
 NOTE: There must be no solvent on the parts.
____
 (d)  
If you do not apply the sealant immediately, cover the cleaned parts with the paper.

 (e)  
You must apply sealant in two hours.

 S 824-010-N00
 (3)  
Apply sealant as shown in Figure 401.

 (a)  
Remove unwanted sealant with clean cheesecloth.

 (b)  
Cure the sealant at room temperature in air that has a minimum relative humidity of 25 percent and until it is not tacky.

 NOTE: Permit the sealant to cure for 2 hours, minimum, before
____ you touch it. If possible, cure the sealant for 8 hours, total, before operation of the engine.
 E. Put the Airplane Back to Its Usual Condition.
 S 414-017-N00
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
 (1)  
Close the thrust reversers (AMM 78-31-00/201).

 S 414-012-N00

 (2)  
Close the core cowl panels (AMM 71-11-06/201).

 S 414-013-N00

 (3)  
Close the fan cowl panels (AMM 71-11-04/201).

 S 444-014-N00

 (4)  
Do the activation procedure for the thrust reverser
 (AMM 78-31-00/201).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
FAN EXIT LINER SEGMENTS (OUTER) - INSPECTION/CHECK
__________________________________________________
 1.  General
_______
 A.  This procedure gives the task do the inspection of the fan exit liner liner segments (outer). These fan exit liner segments will be referred to as the outer liner segments.
 B.  The nine outer liner segments are on the outer rear circumference of the intermediate case, aft of the fan case.
 C.  You can open each half of the thrust reverser to get access to the outer liner segments.
 TASK 72-34-01-206-012-N00
 2.  Outer Liner Segments Inspection
_______________________________
 A.  References
 (1)  
AMM 71-11-04/201, Fan Cowl Panel

 (2)  
AMM 71-11-06/201, Core Cowl Panel

 (3)  
AMM 72-34-01/401, Fan Exit Liner Segments (Outer)

 (4)  
AMM 78-31-00/201, Thrust Reverser Opening

 B.  
Access

 (1)  
Location Zone
 412 Engine 1 - LPC Intermediate Case
 422 Engine 2 - LPC Intermediate Case
 432 Engine 3 - LPC Intermediate Case
 442 Engine 4 - LPC Intermediate Case

 (2)  
Access Panel
 415 Left Thrust Reverser Half - Engine 1
 416 Right Thrust Reverser Half - Engine 1
 425 Left Thrust Reverser Half - Engine 2
 426 Right Thrust Reverser Half - Engine 2
 435 Left Thrust Reverser Half - Engine 3
 436 Right Thrust Reverser Half - Engine 3
 445 Left Thrust Reverser Half - Engine 4
 446 Right Thrust Reverser Half - Engine 4

 C.  
Do the Inspection of the Fairings.

 S 046-001-N00
 WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  
Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).

 (2)  
Open the fan cowl panel (AMM 71-11-04/201).
　
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