3.
 Obey the instructions shown on  The test starts and continues for 45 the screen. Wait 5 seconds then seconds. push the line key adjacent to the If the test finds no fault: TEST indication. - the NO FAILURE indication comes into

 view.
 If the test results are incorrect:

 -a list of fault messages comes into
 view.

 4.
 Push the line key adjacent to the  - the SYSTEM REPORT/TEST L/G page comes RETURN indication to get the into view. SYSTEM REPORT/TEST L/G page.

 5.
 Push the line key adjacent to the  - the BSCU SYS 2 page comes into view. BSCU 2 indication.

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 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------

6. Do the same actions as in Para. - same results as for the BSCU SYS 1.
 2. and 3..
R **ON A/C 106-149, 221-299, 401-499,
 Subtask 32-51-00-710-050-A
 A. Operational Test of the Nose Wheel Steering with the CFDS
 NOTE : This test is for channel 1. For channel 2, use the indications
____
 between parentheses.

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
 On the MCDU, push the line key adjacent to the BSCU 1(2) indication.

 2.
 Push the line key adjacent to the SYSTEM TESTS indication.

3.
 Push the line key adjacent to the LRU WIRING & BSCU TEST indication.

4.
 Do a check of these initial conditions:

 - on the ECAM control panel, push the ELEC key
- on the panel 402VU, make sure that the A/SKID & NOSE WHEEL switch is at ON.
 5. Push the line key adjacent to the START TEST indication.
-
the BSCU CHAN 1(2) page comes intoview.

-
the BSCU CHAN 1(2)/SYSTEM TESTS pagecomes into view.

-
the BSCU CHAN 1(2)/LRU WIRING & BSCUTEST page comes into view withINITIAL CONDITIONS

On the lower ECAM DU, the ELEC page
comes into view.
 On the ELEC page:

 -
the TR1(2) energizes the DC1(2) busbar.

On the BSCU CHAN 1(2) page:
-the IN PROGRESS 4S indication is shown
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 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
NOTE : If the IN PROGRESS 4S
____ indication stays in view, push the line key adjacent to the RETURN indication. Do a check of all the initial conditions and do the test again.
6. Push the line key adjacent to the RETURN indication to get the SYSTEM REPORT/TEST/L/G page.
-then the NO FAULT DETECTED indicationcomes into view when the system isserviceable.
If the system is not serviceable:
-a list of fault messages comes intoview.
 NOTE : The prompt ">" to the right of
____ the Class number show that there are TSD pages related to this fault. Push the line key adjacent to the prompt to get access to these pages.
 - or if one or more of the initial conditions is not satisfactory, these indications come into view: . TEST NOT PERFORMED . the initial condition(s) that is (are) not satisfactory.
 - or the TEST TIME OUT indication comes into view when the test is not completed in the time limit. Push the line key adjacent to the RETURN indication and do the test again.
R 1EFF : 106-149, 221-299, 401-499, 1 32-51-00Page 504 1 1 Aug 01/05 1 1 1CES 1R **ON A/C ALL

 5. Close-up
________
 Subtask 32-51-00-860-051

 A. Put the aircraft back to its initial configuration.
 (1)
 On the MCDU, push the line key adjacent to the RETURN indication until the CFDS menu page comes into view.

 (2)
 De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

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 Functional Test of the Nose Wheel Steering with the Handwheel.
 WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______
 CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.

 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
 GEAR.
　
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