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A 747-400 MAINTENANCE MANUAL
 (2)  S 865-092Make sure the FLT CONTROL HYD POWER TAIL 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).
 (3)  S 865-093Make sure the FLT CONTROL HYD POWER WING 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).
 (4)  S 745-180Push the LSK adjacent to <OTHER FUNCTIONS from the CMC MENU page 2/2 on the CDU.
 (5)  S 745-181Push the LSK adjacent to <INPUT MONITORING from the OTHER FUNCTIONS MENU page on the CDU.
 (6)  S 745-182Use the alphanumeric keys on the CDU to put "E/53/350/00" into the scratchpad.
 (7)  S 745-183Push the LSK 1L to move the data into the correct position.
 (8)  S 745-184Make sure that bits 29, 28, 23 and 15 for the ARINC word "E/53/350/00" are "0".
 NOTE:____ (E/53/350/00, BIT 29) = SRM-L FAIL (SRM-L) (E/53/350/00, BIT 28) = SRM-R FAIL (SRM-L)
 (E/53/350/00, BIT 23) = SRM-R UNSCHEDULED TRIM SIGNAL -> SRM-L INTERFACE FAIL
 (E/53/350/00, BIT 15) = SRM-R SRM VALID SIGNAL -> SRM-L INTERFACE FAIL

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
747-400 MAINTENANCE MANUAL
 S 745-185
 (9)  
Use the NEXT PAGE key on the CDU to show page 5 of the INPUT MONITORING.

 S 745-186

 (10)
 Use the alphanumeric keys on the CDU to put "E/26/350/00" into the scratchpad.

 S 745-187

 (11)
 Push the LSK 1L to move the data into the correct position.

 S 745-188

 (12)
 Make sure that bits 29, 28, 23 and 15 for the ARINC word "E/26/350/00" are "0".

 NOTE: (E/26/350/00, BIT 29) = SRM-R FAIL (SRM-R)
____
 (E/26/350/00, BIT 28) = SRM-L FAIL (SRM-R)

 (E/26/350/00, BIT 23) = SRM-L UNSCHEDULED TRIM SIGNAL -> SRM-R INTERFACE FAIL
 (E/26/350 00, BIT 15) = SRM-L SRM VALID SIGNAL -> SRM-R INTERFACE FAIL
 S 865-176
 (13)
 Make sure that the radio altitude shown on the EADI is less than 2 feet.

 (14)
 Push the L CMD button on the mode control panel.

 S 745-190

 (15)
 Use the PREV PAGE key on the CDU to show page 4 of the INPUT MONITORING.

 S 865-189
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 745-191
 (16)
 Use the alphanumeric keys on the CDU to put "E/53/270/00" into the scratchpad.

 S 745-192

 (17)
 Push the LSK 1L to move the data into the correct position.

 S 745-193

 (18)
 Set and hold the alternate electric trim switches on the Pilots' Control Stand in the APL NOSE UP direction and do these steps:

 (a)
Hold the alternate electric trim switches for 5 seconds.

 (b)
Make sure that bit 14 for the ARINC word "E/53/270/00" is "1".

 NOTE: (E/53/270/00, BIT 14) = UNSCHEDULED TRIM IND (SRM-L)
____
 (c)  
Use the NEXT PAGE key on the CDU to show page 5 of the INPUT MONITORING.

 (d)  
Make sure that bit 23 for the ARINC word "E/26/350/00" is "0".

 NOTE: (E/26/350/00, BIT 23) = SRM-L UNSCHEDULED TRIM SIGNAL ->
____
 SRM-R INTERFACE FAIL

 S 865-194
 (19)
 Release the alternate electric trim switches.

 S 865-195

 (20)
 Push the autopilot disconnect switch on the control wheel , two times, to disengage the autopilot and to cancel the aural/visual annunciations.
　
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