22-11-01
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 914-002
 CAUTION: DO NOT TOUCH THE FLIGHT CONTROL COMPUTER BEFORE YOU DO THE
_______ PROCEDURE FOR DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE FLIGHT CONTROL COMPUTER.
 (1)  
Do the procedure for devices that are sensitive to electrostatic discharge (Ref 20-41-01).

 S 024-003

 (2)  
Remove the FCC (Ref 20-10-01).

 S 434-010

 (3)  
Install a protective cover on the connector at the rear of the FCC.

 TASK 22-11-01-404-011
 3. Install the Flight Control Computer
___________________________________
 A. References
 (1)  
20-10-01/401, E/E Rack Mounted Components

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

 (3)  
22-00-02/201, Autoflight BITE

 (4)  
24-22-00/201, Electrical Power - Control

 B. Access
 (1)  
Location Zones
 119/120 Main Equipment Center

 (2)  
Access Panels
 119BL Main Equipment Center

 C. Install the Flight Control Computer
 S 914-004
 CAUTION: DO NOT TOUCH THE FLIGHT CONTROL COMPUTER BEFORE YOU DO THE
_______ PROCEDURE FOR DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE FLIGHT CONTROL COMPUTER.
 (1)  
Do the procedure for devices that are sensitive to electrostatic discharge (Ref 20-41-01).

 (2)  
Remove the protective cover from the connector at rear of the FCC.

 S 034-012
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757 MAINTENANCE MANUAL
 S 424-013
 (3)  Install the FCC (Ref 20-10-01).
 D. Test the Flight Control Computer.
 S 864-014
 (1)  
Supply electrical power (Ref 24-22-00).

 S 864-015

 (2)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11A17, AUTOFLIGHT WARN

 (b)  
11E17, FLT CONT COMPUTER POWER LEFT

 (c)  
11E18, FLT CONT COMPUTER SERVO LEFT

 (d)  
11E20, FLIGHT CONT CMPTR PWR CENTER

 (e)  
11E21, FLIGHT CONT CMPTR SERVO CENTER

 (f)  
11E35, FLT CONT CMPTR PWR RIGHT

 (g)  
11E36, FLT CONT CMPTR SERVO RIGHT

 S 864-016
 (3)  Make sure MCDP is out of Ground Test Mode. Set MCDP to OFF or go into Flight Faults Mode.
 NOTE: Before MCDP Ground Test 01-FCC is done, the MCDP must be put
____ out of Ground Test Mode. This removes faults that are corrected from the MCDP memory.
 S 864-017
 (4)  
Put the MCDP into Ground Test Mode (Ref 22-00-02).

 S 724-005

 (5)  
Do MCDP Ground Test 01-FCC (Ref 22-00-02).

 (a)  Make sure no failures occur during the test.
 E. Put the Airplane Back to Its Usual Condition.
 S 864-018
 (1)  
Set the MCDP to off.

 (2)
Remove electrical power if it is not necessary (Ref 24-22-00).

 S 864-019
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 22-11-01
 ALL  ú ú 05 Page 403 ú Mar 20/90
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A

757 MAINTENANCE MANUAL
 AFCS MODE CONTROL PANEL - MAINTENANCE PRACTICES
_______________________________________________
 1.  General_______
 A.  This procedure has these tasks:
 (1)  
The removal of the AFCS Mode Control Panel (MCP).

 (2)  
The installation of the MCP.
　
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