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

 S 445-020-N00

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

 S 415-018-N00
 S 415-019-N00
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(5)  S 445-032-N00Do the activation procedure for the speed brake control system (AMM 27-62-00/201).
 (6)  S 865-022-N00Remove the DO-NOT-OPERATE tags from the thrust reverser levers.

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TENSION LATCHES - INSPECTION/CHECK
__________________________________
 1. General
_______
 A. This procedure has one task: to do an inspection of the tension latches.
 B. To get access to the latches, you must open the thrust reverser half.
 TASK 78-31-04-206-001-N00
 2. Thrust Reverser Tension Latches Inspection
__________________________________________
 A. References
 (1)  
AMM 71-11-04/201, Fan Cowl Panel

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

 (3)  
AMM 78-31-00/201, Thrust Reverser System

 (4)  
AMM 78-31-04/401, Thrust Reverser Tension Latches

 B.
Access

 (1)  
Location Zones 415 and 416 Engine 1 - Thrust Reverser Halves 425 and 426 Engine 2 - Left Thrust Reverser Halves 435 and 436 Engine 3 - Left Thrust Reverser Halves 445 and 446 Engine 4 - Left Thrust Reverser Halves

 (2)  
Access Panel
 413 and 414 Fan Cowl Panels - Engine 1
 423 and 424 Fan Cowl Panels - Engine 2
 433 and 434 Fan Cowl Panels - Engine 3
 443 and 444 Fan Cowl Panels - Engine 4

 C.
Procedure

 S 216-002-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 panels (AMM 71-11-04/201).

 (3)  
Open the core cowl panels (AMM 71-11-06/201).

 S 866-003-N00
 S 866-004-N00
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S 866-010-N00
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
 (4)  
Open the thrust reverser (AMM 78-31-00/201).

 S 226-005-N00

 (5)  
Examine the tension latches for wear or damage.

 (a)  
Look for cracks in the tension latch housing.

 1)  If you find cracks, replace the thrust reverser (AMM 78-31-01/401).

 (b)  
Examine the hook of the tension latch for damage.
 1) If you find damage, repair the tension latch
 (SRM 54-30-90).

 2)  If the wear or damage is more than the limits, specified by SRM 54-30-90, replace the tension latch (AMM 78-31-04/401).

 (c)  
Examine the eye bolt for damage.
 1) If you find damage, repair the tension latch
 (SRM 54-30-90).

 
　
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