S 843-010
 WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO YOU OR DAMAGE TO EQUIPMENT.
 (1)  
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (Ref 78-31-00/201).

 S 843-011

 (2)  
Make sure the trailing edge (TE) flaps and LE slats are fully extended (AMM 27-81-00/201).

 S 843-002

 (3)  
Make sure the flap control lever is in the 30-unit detent.

 S 933-003

 (4)  
Install a DO-NOT-OPERATE tag on the flap control lever.

 S 843-012

 (5)  
Make sure the landing gear downlocks for the nose and main landing gear are installed (Ref 32-00-20/201).

 S 843-013
 WARNING:_______USE AMM 32-00-15/201 TO INSTALL THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (6)  
Open the doors for the main landing gear and install the door locks (Ref 32-00-15/201).

 S 863-014

 (7)  
Remove the pressure from the left hydraulic system (Ref 29-11-00/201).

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 ALL  ú ú 01 Page 307 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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MAINTENANCE MANUAL

 S 843-015
 (8)  Install a PDU lock in the TE flap PDU at the forward bulkhead of the left main gear wheel well (Fig. 307).
 S 863-005
 (9)  Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags: (a) 11B18, WARN ELEX B (b) 11D31, HYDRAULICS PTU CONT (c) 11J33, WARN ELEX A
 S 863-007

 (10) Open this circuit breaker on the P11 panel and install circuit breaker lock (B27065-1):
 (a) 11H23, FLAP/SLAT ALTN DR SHUTOFF ARM
 S 863-006
 (11) Open these circuit breakers on the main power distribution panel, P6, and install circuit breaker locks (B27020-25):
 (a)
6D20, ALTN SLAT PWR

 (b)
6D23, ALTN FLAP PWR