Forced Load of the Cabin Wireless LAN Unit (CWLU) Software

TASK 46-41-00-970-817-A
Forced Load of the Cabin Wireless LAN Unit (CWLU) Software

ZONE: 200

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

B. Referenced Information

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)

3. Job Set-up
Subtask 46-41-00-861-076-C ** 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 46-41-00-865-082-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	WAP	27MH	D07
2000VU	CINS-HESU	21RF	E02

4. Procedure
Subtask 46-41-00-970-067-C ** ON A/C NOT FOR ALL

A. Forced Load of the Cabin Wireless LAN-Unit (CWLU) Software

ACTION	RESULT
In the cabin, at the MP-FAP:	In the cabin, on the MP-FAP display:
1.Touch the "DATA LOADING" icon.	An hourglass symbol shows adjacent to the mouse cursor until the data comes into view. The "DATA LOADING" page shows.
2.Select the "LRU" Loading tab.	The "LRU Loading" tab shows.
3.On the left upper corner press on the arrow right to the hardware field.	A drop down menu shows with all LRUs.
4.Touch on the "CWLU1".	The "Software load for CWLU1" shows.
5.Touch on the "CWLU-SOFTWARE".	The load becomes marked in blue and the install button becomes active.
6.Touch the "INSTALL" icon.	A pop-up window shows the message "Start software installation".
7.Touch the "OK" icon to confirm.	The "Software Installation" page shows.
8.Touch the "OK" icon to confirm.	The LRU Loading tab shows.
9.Repeat steps 3 thru 8 for CWLUs 2-4. NOTE: The CWLU software installation takes approximately 5 minutes.

5. Close-up
Subtask 46-41-00-862-076-C ** 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.

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).

[Rev.10 from 2021] 2026.04.02 06:26:12 UTC