(2)  
20-41-01/201, Electrostatic Sensitive Devices

 (3)  
32-09-02/201, Air/Ground Relays

 B.
Access

 (1)  
Location Zones
 119/120 Main Equipment Center
 211/212 Control Cabin

 (2)  
Access Panels
 119BL Main Equipment Center

 C.
Install the Circuit Cards

 S 914-009
 CAUTION: DO NOT TOUCH THE CIRCUIT CARD BEFORE YOU DO THE PROCEDURE FOR
_______ DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE PSEU.
 (1)  
Do the procedure for devices that are sensitive to electrostatic discharge (Ref 20-41-01).

 S 424-010

 (2)  
Do the steps that follow to install the circuit cards:

 (a)  
ALL THE CIRCUIT CARDS EXCEPT THE BITE CARDS; Put the circuit cards in the correct locations. 1) Align the guide pins for the connector. 2) Carefully push the circuit card until it is fully engaged. 3) Close the front panel.

 (b)  
THE BITE CARDS; Put the new BITE module assembly in it location. 1) Align the guide pins for the connector. 2) Carefully push the BITE module assembly until it is fully

 engaged in the chassis.
 

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 3) Tighten the captive fasteners.
 S 864-011
 (3)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11C30, LANDING GEAR POS SYS 1

 (b)  
11R33, DOOR IND

 (c)  
11R36, PROX SW TEST

 (d)  
11S23, POS SYS 2

 S 864-022
 (4)  
Look at the P11 panel at grid location 11C19 and identify the circuit breaker name that is at this location.

 (a)  
AIRPLANES WITHOUT THE "LANDING GEAR POS SYS 2 ALTN" CIRCUIT BREAKER INSTALLED AT PANEL GRID LOCATION 11C19; GUN 001-005; Remove the DO-NOT-CLOSE tag and close these circuit breakers: 1) 11K5, THRUST REVERSER IND 2) 11K6, THRUST REVERSER CONT 3) 11K32, THRUST REVERSER IND 4) 11K33, THRUST REVERSER CONT

 (b)  
AIRPLANES WITH THE "LANDING GEAR POS SYS 2 ALTN" CIRCUIT BREAKER INSTALLED AT PANEL GRID LOCATION 11C19; GUN 006-999; Remove the DO-NOT-CLOSE tag and close these circuit breakers: 1) 11B29, ENGINES RIGHT T/R IND 2) 11B30, ENGINES RIGHT T/R CONT 3) 11C19, LANDING GEAR POS 2 ALTN 4) 11D11, ENGINES LEFT T/R IND 5) 11D12, ENGINE T/R CONT- L

 S 864-012
 (5)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P34 panel:

 (a)  
34A5, CARGO DOOR CONT

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 S 444-013
 (6)  Put the safety-sensitive systems back to their initial conditions (Ref 32-09-02/201).
 TASK 32-09-06-704-014
 4.  Do the Test for the Proximity Switch Electronics Unit_____________________________________________________
 A.  References
 (1)  
24-22-00/201, Electrical Power - Control

 (2)  
27-61-00/201, Spoiler/Speedbrake Control System

 B.  
Access

 (1)  
Location Zones
 119/120 Main Equipment Center
 211/212 Control Cabin

 (2)  
Access Panels
 119BL Main Equipment Center
　
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