(e)  Remove the deactuator from the sensor, S415 (left wing gear
 down/lock sensor).
 (f)  Put a circular actuator on the sensor, S1638 (left wing gear
 up/lock sensor).
 (g)  Make sure the CDU display of label 272/00 is shown as follows:
 ~............................................................
 | Sensor and Bit Location | Bit State | Description |
 ..............................................................
 |L Body Gear Down/Lock on Bit 11 | 1 |GEAR DOWN |
 ..............................................................
 |L Wing Gear Down/Lock on Bit 12 | 1 |GEAR DOWN |
 ..............................................................
 |R Wing Gear Down/Lock on Bit 13 | 1 |GEAR DOWN |
 ..............................................................
 |R Body Gear Down/Lock on Bit 14 | 1 |GEAR DOWN |
 ..............................................................
 |L Body Gear Up/Lock on Bit 15 | 0 |NOT UP |
 ..............................................................
 |L Wing Gear Up/Lock on Bit 16 | 1 |GEAR UP |
 ..............................................................
 |R Wing Gear Up/Lock on Bit 17 | 0 |NOT UP |
 ..............................................................
 |R Body Gear Up/Lock on Bit 18 | 0 |NOT UP |
 2.................................…............….............1
 (h)  Remove the actuator from the sensor, S1638 (left wing gear
 up/lock sensor).
 (i)  Put a rectangular deactuator on the sensor, S414 (left body
 gear down/lock sensor).

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 ALL  ú ú 04 Page 538 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
Make sure the CDU display of label 272/00 is shown as follows:
 ~............................................................ | Sensor and Bit Location | Bit State | Description | .............................................................. |L Body Gear Down/Lock on Bit 11 | 0 |NOT DOWN | .............................................................. |L Wing Gear Down/Lock on Bit 12 | 1 |GEAR DOWN | .............................................................. |R Wing Gear Down/Lock on Bit 13 | 1 |GEAR DOWN | .............................................................. |R Body Gear Down/Lock on Bit 14 | 1 |GEAR DOWN | .............................................................. |L Body Gear Up/Lock on Bit 15 | 0 |NOT UP | .............................................................. |L Wing Gear Up/Lock on Bit 16 | 0 |NOT UP | .............................................................. |R Wing Gear Up/Lock on Bit 17 | 0 |NOT UP | .............................................................. |R Body Gear Up/Lock on Bit 18 | 0 |NOT UP | 2.................................…............….............1
Remove the deactuator from the sensor, S414 (left body gear
 down/lock sensor).
Put a circular actuator on the sensor, S1636 (left body gear
 up/lock sensor).
Make sure the CDU display of label 272/00 is shown as follows:

 ~............................................................ | Sensor and Bit Location | Bit State | Description | .............................................................. |L Body Gear Down/Lock on Bit 11 | 1 |GEAR DOWN | .............................................................. |L Wing Gear Down/Lock on Bit 12 | 1 |GEAR DOWN | .............................................................. |R Wing Gear Down/Lock on Bit 13 | 1 |GEAR DOWN | .............................................................. |R Body Gear Down/Lock on Bit 14 | 1 |GEAR DOWN | .............................................................. |L Body Gear Up/Lock on Bit 15 | 1 |GEAR UP | .............................................................. |L Wing Gear Up/Lock on Bit 16 | 0 |NOT UP | .............................................................. |R Wing Gear Up/Lock on Bit 17 | 0 |NOT UP | .............................................................. |R Body Gear Up/Lock on Bit 18 | 0 |NOT UP | 2.................................…............….............1
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