DOC AIRBUS | AMM A320FCabin Wireless LAN-Unit (CWLU) Condition Check
TASK 46-41-00-720-809-A
Cabin Wireless LAN-Unit (CWLU) Condition Check
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 46-41-00-861-102-B ** ON A/C NOT FOR ALL
Subtask 46-41-00-720-060-B ** ON A/C NOT FOR ALL
Subtask 46-41-00-862-102-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:26:14 UTC
Cabin Wireless LAN-Unit (CWLU) Condition Check
ZONE: 200
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | LAPTOP - FOR GSM ALNA MAINTENANCE |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 200 | UPPER HALF FUSELAGE |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 46-41-00-610-811-A | Get access to the ALNA Graphical User Interface (GUI) - Maintenance Access - with Multi-Purpose Flight-Attendant Panel (MP-FAP) |
Subtask 46-41-00-861-102-B ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Access the ALNA Graphical User Interface (GUI) - Maintenance Access - via Multi-Purpose Flight-Attendant Panel (MP-FAP) (Ref. AMM TASK 46-41-00-610-811).
Subtask 46-41-00-865-109-A ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Access the ALNA Graphical User Interface (GUI) - Maintenance Access - via Multi-Purpose Flight-Attendant Panel (MP-FAP) (Ref. AMM TASK 46-41-00-610-811).
B. Make sure that this(these) circuit breaker(s) is(are) closed:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 2000VU | WAP | 27MH | D07 |
| 2000VU | CINS-HESU | 21RF | E02 |
Subtask 46-41-00-720-060-B ** ON A/C NOT FOR ALL
A. CWLU Condition Check
5. Close-upNOTE: You can do this test at the Multi-Purpose Flight-Attendant Panel (MP-FAP) or on the LAPTOP - FOR GSM ALNA MAINTENANCE. The procedures at the MP-FAP and on the maintenance laptop are the same.
NOTE: The table that follows gives the procedure for the MP-FAP.
| ACTION | RESULT |
|---|---|
| In the cabin, at the MP-FAP: | In the cabin, on the MP-FAP display: |
| 1.Touch the "SYSTEM MONITORING" icon. |
|
| 2.Select the "CWLU" tab. |
|
| 3.Make sure that the status is "OK" for all 4 CWLUs. | |
| 4.Make sure that the Wi-Fi is enabled for all 4 CWLUs. |
|
Subtask 46-41-00-862-102-B ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
(1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(2) Touch the LOGOFF icon.
(Ref. AMM TASK 24-41-00-862-002).
(1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(2) Touch the LOGOFF icon.
NOTE: It is not necessary to log off, if you continue with a different test procedure.
(3) De-energize the aircraft electrical circuits(Ref. AMM TASK 24-41-00-862-002).