S 745-026
(2) When IN PROGRESS goes out of view, look for PASS or FAIL> adjacent to the applicable prompt (<STALL LEFT or <STALL RIGHT).
NOTE: If a PASS indication shows, no failures occurred during the
____
test.
(a) If FAIL> shows, look for stall warning system CMCS messages: 1) Push the LSK that is adjacent to FAIL> to see the GROUND TEST MSG pages for the failure. 2) Push the NEXT PAGE key until you find all the GROUND TEST MSG pages. 3) Make a list of all CMCS messages, CMCS message numbers, and ATA numbers that show on the GROUND TEST MSG pages.
4) Go to the CMCS Message Index of the Fault Isolation Manual (FIM) to find the corrective action for each CMCS message.
S 865-023
(3) Remove electrical power (AMM 24-22-00/201) if is not necessary for other tasks.
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27-32-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
STALL WARNING MANAGEMENT COMPUTER - REMOVAL/INSTALLATION
________________________________________________________
1. General_______
A. This subject has two tasks, one for the removal and one for the installation of the stall warning management computer. The procedure is the same for the left or the right stall warning management computer.
TASK 27-32-01-004-001
2. Stall Warning Management Computer Removal (Fig. 401)_________________________________________
A. References
(1)
AMM 20-41-02/201, Electrostatic Discharge Sensitive Devices
(2)
AIPC 31-51-00, Fig. 1
(3)
SSM 27-32-01, SSM 27-32-02
(4)
WDM 31-51-11, WDM 31-51-12
B.
Access
(1)
Location Zone 116 Area Between Nose Gear Wheel Well and Fuselage, RH
RIGHT STALL WARNING LEFT STALL WARNING MANAGEMENT COMPUTER MANAGEMENT COMPUTER
SEE A
MAWEA CARD FILE A Stall Warning Management Computer Installation Figure 401
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27-32-01
ALL ú ú 03 Page 401 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
C. Procedure
S 864-002
(1)
Open these circuit breakers:
(a)
P7, Overhead Circuit Breaker Panel
1) 7A1, MAWEA PWR A
2) 7B1, MAWEA PWR B
3) 7D5, STICK SHAKER L
4) 7D19, STICK SHAKER R
S 914-003
CAUTION: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ STALL WARNING MANAGEMENT COMPUTER. A FAILURE TO DO THE STEPS CORRECTLY CAN CAUSE DAMAGE TO THE EQUIPMENT.
(2) Do this task to remove the applicable stall warning management computer from the MAWEA card file: "ESDS Circuit Card Removal" (AMM 20-41-02/201).
TASK 27-32-01-404-004
3. Stall Warning Management Computer Installation (Fig. 401)
______________________________________________
A. References
(1)
AMM 20-41-02/201, Electrostatic Discharge Sensitive Devices
(2)
AMM 24-22-00/201, Manual Control
(3)
AIPC 31-51-00, Fig. 1
(4)
SSM 27-32-01, SSM 27-32-02
(5)
WDM 31-51-11, WDM 31-11-12
B.
Access
(1)
Location Zone 116 Area Between Nose Gear Wheel Well and Fuselage, RH
C.
Procedure
S 914-005
CAUTION: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE STALL WARNING MANAGEMENT COMPUTER. A FAILURE TO DO THE STEPS CORRECTLY CAN CAUSE DAMAGE TO THE EQUIPMENT.
(1) Do this task to install the applicable stall warning management computer from the MAWEA card file: "ESDS Circuit Card Installation" (AMM 20-41-02/201).
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