S 444-048-N00

 (7)  
Do the activation procedure for the thrust reverser (AMM 78-31-00/201).

 S 444-057-N00

 (8)  
Do the activation procedure for the speed brake control system (AMM 27-62-00/201).

 S 864-050-N00

 (9)  
Remove the DO-NOT-OPERATE tags from the thrust levers.

 S 714-058-N00

 (10)
 Operate the thrust reverser, manual or power method (AMM 78-31-00/201).

 NOTE: Operate the thrust reverser a minimum of three full cycles
____
 to make sure it is serviceable.

 S 044-059-N00
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPEED BRAKE CONTROL
_______ SYSTEM. IF YOU DO NOT DO THIS, THE SPOILERS CAN MOVE QUICKLY WHEN YOU MOVE THE THRUST LEVERS. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (11) Do the deactivation procedure for the speed brake control system (AMM 27-62-00/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 864-060-N00
 (12)
 Make sure the forward thrust levers are in the idle position and attach the DO-NOT-OPERATE tags.

 S 864-061-N00

 (13)
 Make sure the reverse thrust levers are in the fully stowed position and attach the DO-NOT-OPERATE tags.

 S 044-062-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 DAMAGE AND TO EQUIPMENT.
 (14) Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
 NOTE: Do the full deactivation procedure for ground maintenance.
____ This includes the deactivation of the isolation valve and the thrust reverser sleeves.
 S 214-065-N00
 (15) Make sure each blocker door makes a continuous surface with (is at the same level as) the adjacent structure (AMM 78-31-14/601).
 NOTE: The blocker doors must not extend above the surface of the
____ fan cowl when the thrust reverser is fully retracted.
 E. Put the Airplane Back to Its Usual Condition.
 S 444-068-N00
 (1)  
Do the activation procedure for the thrust reverser
 (AMM 78-31-00/201).

 S 444-069-N00

 (2)  
Do the activation procedure for the speed brake control system (AMM 27-62-00/201).

 (3)  
Remove the DO-NOT-OPERATE tags from the thrust levers.

 S 864-070-N00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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THRUST REVERSER BLOCKER DOORS - INSPECTION/CHECK
________________________________________________
 1.  General
_______
 A.  The thrust reverser blocker doors are referred to as the blocker doors in this procedure.
 B.  The thrust reverser blocker door drag links are referred to as the drag links in this procedure.
 C.  This procedure has two tasks:
 (1)  
The first task gives instructions for a full inspection of the condition of the blocker doors.

 (2)  
The second task is a copy of a section from the first task. Thus, if you do the first task, Thrust Reverser Blocker Door -Inspection/Check, you do not need to also do the second task.

 TASK 78-31-14-206-001-N00
 2.  Thrust Reverser Blocker Door - Inspection/Check
_______________________________________________
 A.  General
 (1)  
These are scheduled maintenance tasks.

 (2)  
For each task, you must examine all the blocker doors on the two halves of each thrust reverser.

 B.  
References

 (1)  
AMM 27-62-00/201, Speed Brake Control System

 (2)  
AMM 78-31-00/201, Thrust Reverser System