32-61-00
 ALL  ú ú 04 Page 551 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 (h)

(i)

(j)

(k)

(l)

(m)

A
747-400 MAINTENANCE MANUAL
Remove the actuator from the sensor, S426 (door warning right
 body gear alternate sensor).
Put an actuator on the sensor, S427 (door warning right body
 gear alternate sensor).
Make sure the CDU display of label 272/00 is shown as follows:

 ~............................................................
 | Sensor and Bit Location | Bit State | Description |
 ..............................................................
 |L Body Gear Door Open on Bit 24| 1 |DOOR OPEN |
 ..............................................................
 |L Wing Gear Door Open on Bit 25| 1 |DOOR OPEN |
 ..............................................................
 |Nose Gear Door Open on Bit 26 | 1 |DOOR OPEN |
 ..............................................................
 |R Wing Gear Door Open on Bit 27| 1 |DOOR OPEN |
 ..............................................................
 |R Body Gear Door Open on Bit 28| 0 |NOT OPEN |
 2...............................…..............….............1

Remove the actuator from the sensor, S427 (door warning right
 body gear alternate sensor).
Put an actuator on the sensor, S428 (door warning left body
 gear alternate sensor).
Make sure the CDU display of label 272/00 is shown as follows:

 ~............................................................
 | Sensor and Bit Location | Bit State | Description |
 ..............................................................
 |L Body Gear Door Open on Bit 24| 0 |NOT OPEN |
 ..............................................................
 |L Wing Gear Door Open on Bit 25| 1 |DOOR OPEN |
 ..............................................................
 |Nose Gear Door Open on Bit 26 | 1 |DOOR OPEN |
 ..............................................................
 |R Wing Gear Door Open on Bit 27| 1 |DOOR OPEN |
 ..............................................................
 |R Body Gear Door Open on Bit 28| 1 |DOOR OPEN |
 2...............................…..............….............1

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-61-00
 ALL  ú ú 04 Page 552 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (n)  
Remove the actuator from the sensor, S428 (door warning left body gear alternate sensor).

 (o)  
Put an actuator on the sensor, S395 (door warning left wing gear alternate sensor).

 (p)  
Make sure the CDU display of label 272/00 is shown as follows:

 ~............................................................ | Sensor and Bit Location | Bit State | Description | .............................................................. |L Body Gear Door Open on Bit 24| 1 |DOOR OPEN | .............................................................. |L Wing Gear Door Open on Bit 25| 0 |NOT OPEN | .............................................................. |Nose Gear Door Open on Bit 26 | 1 |DOOR OPEN | .............................................................. |R Wing Gear Door Open on Bit 27| 1 |DOOR OPEN | .............................................................. |R Body Gear Door Open on Bit 28| 1 |DOOR OPEN | 2...............................…..............….............1

 (q)  
Remove the actuator from the sensor, S395 (door warning left wing gear alternate sensor).

 (r)  
Make sure the CDU display of label 272/00 is shown as follows:

 ~............................................................ | Sensor and Bit Location | Bit State | Description | .............................................................. |L Body Gear Door Open on Bit 24| 1 |DOOR OPEN | .............................................................. |L Wing Gear Door Open on Bit 25| 1 |DOOR OPEN | .............................................................. |Nose Gear Door Open on Bit 26 | 1 |DOOR OPEN | .............................................................. |R Wing Gear Door Open on Bit 27| 1 |DOOR OPEN | .............................................................. |R Body Gear Door Open on Bit 28| 1 |DOOR OPEN | 2...............................…..............….............1
　
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