(a)  
Push the INIT REF key on the CDU keyboard.

 (b)  
Push the LSK adjacent to <INDEX.

 (c)  
Push the LSK adjacent to MAINT>.

 (d)  
Push the LSK adjacent <A/T.

 (e)  
Push the LSK adjacent to <CURRENT STATUS.

 (f)  
Follow CDU instructions until the A/T Current Status Quick Tests are completed with no failure.

 (g)  
Push the LSK adjacent to <INTERACTIVE TEST on the Current Status No Fault page or Current Status Failures page.

 (h)  
Push the LSK adjacent to <INPUT DISCRETE.

 (i)  
Push the NEXT PAGE key two times to show the Input Discrete 3/4 page.

 (j)  
Make sure that the CDU display shows TOGA NOT PRESSED.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (k)  
One at a time, push and hold the TO/GA switch on each throttle lever.

 (l)  
Make sure that the CDU display shows TOGA PRESSED.

 (m)  
Release the TO/GA switch.

 (n)  
Make sure that the CDU display shows TOGA NOT PRESSED.

 (o)  
Push the INIT REF key on the CDU display to get out of the BITE.

 S 865-005
 (3)  Remove electrical power if it is not necessary (Ref 24-22-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 HYDRAULIC PRESSURE SWITCH - REMOVAL/INSTALLATION
_________________________________________________
 1.  General
_______
 A.  This procedure contains two tasks. The first task is for the removal of the hydraulic pressure switch which is installed on the autopilot actuators. The second task is for the installation of the hydraulic pressure switch.
 B.  There is one hydraulic pressure switch on each A/P actuator. The basic tasks are the same on all of the A/P Aileron Actuators and A/P Elevator Actuators.
 C.  You can find the two A/P aileron actuators in the left main wheel. You can find the two A/P elevator actuators on the aft bulkhead at station 1156.
 D.  When you do these tasks, do not let the hydraulic fluid flows on the airplane. If there is hydraulic fluid on the airplane, identify it and remove the contamination (Ref 12-40-00/201)
 TASK 22-11-40-004-014
 2.  Hydraulic Pressure Switch Removal (Fig. 401)
_________________________________
 A.  Standard Tools and Equipment
 (1)  Bucket - Oil; 5 gallon capacity
 B.  References
 (1)  
12-31-41/201, Body Section 48 Access Doors and Panels

 (2)  
27-11-00/201, Aileron and Aileron Trim Control System

 (3)  
27-31-00/201, Elevator and Tab Control System

 (4)  
32-00-01/201, Ground Lock Assemblies

 C.  Access
 (1)  
Location Zone
 216 Left Main Wheel Well
 705 Tail Cone Access Door

 (2)  
Access Panel
 3802 Tail Cone Access Door

 D.  Procedure
 S 864-002
 (1)  Remove hydraulic pressure from the applicable hydraulic systems A and B:
 NOTE: Aileron hydraulic systems A and B (Ref 27-11-00/201)
____ Elevator hydraulic systems A and B (Ref 27-31-00/201)
 S 864-003
 (2) Open these circuit breakers and attach the DO-NOT-CLOSE tags:
 (a)  P6 Circuit Breaker Panel 1) AUTO FLT CONT SYS B ENGAGE INTLK B
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