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 ~............................................................. | Table 501 | | (System 1) | ............................................................... | | | Sensor Location | | Sensor | Description | Figure Ref | ............................................................... | S10057 *[1]| R GEAR DOWN AND LOCKED | 507 | ............................................................... | S10061 *[1]| L GEAR DOWN AND LOCKED | 507 | ............................................................... | S10065 *[1]| NOSE GEAR LOCKED | 506 | ............................................................... | S10066 | NOSE GEAR DOWN | 502 | ............................................................... | S10238 | NOSE GEAR UP | 502 | ............................................................... | S10239 *[1]| R GEAR UP AND LOCKED | 503 | ............................................................... | S10240 *[1]| L GEAR UP AND LOCKED | 503 | ............................................................... | S10241 | R GEAR DOOR CLOSED | 505 | ............................................................... | S10242 | L GEAR DOOR CLOSED | 505 | ............................................................... | S10243 | NOSE GEAR DOOR CLOSED | 504 | 2.............….............................….................1 *[1] Shows cylindrical sensors. All of the others are
 rectangular sensors.
 

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 ~............................................................. | Table 502 | | (System 2) | ............................................................... | | | Sensor Location | | Sensor | Description | Figure Ref | ............................................................... | S10069 *[1]| R GEAR UP AND LOCKED | 503 | ............................................................... | S10070 *[1]| R GEAR DOWN AND LOCKED | 507 | ............................................................... | S10072 | R GEAR DOOR CLOSED | 505 | ............................................................... | S10073 *[1]| L GEAR UP AND LOCKED | 503 | ............................................................... | S10074 *[1]| L GEAR DOWN AND LOCKED | 507 | ............................................................... | S10076 | L GEAR DOOR CLOSED | 505 | ............................................................... | S10077 | NOSE GEAR UP | 502 | ............................................................... | S10078 *[1]| NOSE GEAR LOCKED | 506 | ............................................................... | S10079 | NOSE GEAR DOWN | 502 | ............................................................... | S10081 | NOSE GEAR DOOR CLOSED | 504 | 2.............….............................….................1 *[1] Shows cylindrical sensors. All of the others are
 rectangular sensors.
 S 865-029
 (2)  Do the steps that follow to erase the EICAS ECS MSG AUTO EVENT page:
 NOTE: All the NVM EICAS maintenance messages will be erased after
____
 you erase the ECS MSG AUTO EVENT page.
 You will use this procedure again during the test.

 (a)  
Push the ECS/MSG switch.

 (b)  
Push the AUTO EVENT READ switch.

 (c)  
Make sure that AUTO EVENT shows at the bottom of the bottom display.

 (d)  
Write down all the EICAS messages shown on the NVM EICAS message list.

 (e)  
Push and hold the ERASE switch for 3 seconds.

 (f)  
Do the last four steps again until all the EICAS memory has been erased.

 S 865-030
 (3)  Put the COMPUTER switch on the EICAS DISPLAY select panel in the L position.
 

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 S 865-031
 (4)  Move the control lever for the landing gear to the OFF position.
 S 495-032
 (5)  Install deactuators on the sensors in the list below:
 SENSOR______
 S10070
 S10074
 S10078
 S10079

 S 735-033
 (6)  
Make sure one half of each of the green NOSE, LEFT and RIGHT lights on the P3 panel are on.

 S 735-034

 (7)  
Make sure the two halves of each amber GEAR and DOORS lights on the P3 panel are on.
　
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