Ground Scanning Test

TASK 36-11-00-740-811-A
Ground Scanning Test

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 31-32-00-860-011-A	Procedure to Get Access to the SYSTEM REPORT/TEST/PNEU Page

3. Job Set-up
Subtask 36-11-00-861-167-A

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

Subtask 36-11-00-865-165-A

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	AIR BLEED/APU BLEED VLV CTL/BMC1 OVRD	11HV	D14
49VU	AIR BLEED/X FEED/VALVE/BAT	2HV	D13
49VU	AIR BLEED/ENG 2/MONG	3HA2	D12
49VU	AIR BLEED/ENG 1/CTL	2HA1	D11
122VU	AIR BLEED/ENG 1/MONG	3HA1	Z23
122VU	AIR BLEED/ENG 2/CTL	2HA2	Z22
122VU	AIR BLEED/X FEED VALVE/NORM	1HV	Z20
122VU	AIR BLEED/APU BLEED VLV CTL/BMC2 OVRD	12HV	Z19

Subtask 36-11-00-860-165-A

C. Aircraft Maintenance Configuration
(1) Make sure that the APU is not in operation.
(2) On AIR COND panel 30VU:

Make sure that ENG 1(2) BLEED pushbutton switches are pushed (the OFF legends are off).
Make sure that the CROSSBLEED selector switch is in the AUTO position.
Make sure that the APU BLEED pushbutton switch is released (the ON legend is off).

(3) Adjust the brightness of the MCDU screen.
(4) On the MCDU, get the SYSTEM REPORT/TEST/PNEU menu page (Ref. AMM TASK 31-32-00-860-011).

4. Procedure
Subtask 36-11-00-740-061-A

A. Ground Scanning Test
(1) During this procedure, if an error message is shown, record the message. Then do the related troubleshooting procedure.
(2) Obey the instructions shown on the terminal during the test.

ACTION	RESULT
1.On the MCDU: Push the line key adjacent to the applicable BMC 1(2) indication.	The applicable BMC 1(2) page comes into view.
2.On the MCDU: Push the line key adjacent to the TEST indication.	The BMC 1(2)/TEST page comes into view.
3.On the MCDU: Push the line key adjacent to the GROUND SCANNING indication.	The TEST RESULT page comes into view with the GROUND SCANNING results: The NO FAULT DETECTED message or failure message is shown.
4.On the MCDU: Push the line key adjacent to the RETURN indication until the MAINTENANCE MENU page comes into view.

5. Close-up
Subtask 36-11-00-860-166-A

A. Aircraft Maintenance Configuration
(1) Put the aircraft back to its initial configuration.
(2) On the MCDU:
(a) Fully decrease the brightness of the MCDU screen (display off).

Subtask 36-11-00-862-148-A

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

[Rev.10 from 2021] 2026.04.01 01:07:44 UTC