Installation of the Flight Operations and MAintenance eXchanger (FOMAX)

TASK 46-26-32-400-801-A
Installation of the Flight Operations and MAintenance eXchanger (FOMAX)

ZONE: 128

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
128	REAR AVIONIC COMPARTMENT
824

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 46-26-32-000-803-A	Removal of the Airbus SIM Card from the Flight Operations and MAintenance eXchanger (FOMAX)
TASK 46-26-32-280-803-A	Restore the Airline Network File Management Service (NFMS) Data
TASK 46-26-32-400-802-A	Installation of the Airline SIM Card into the Flight Operations and MAintenance eXchanger (FOMAX)
TASK 46-26-32-400-803-A	Installation of the Airbus SIM Card into the Flight Operations and MAintenance eXchanger (FOMAX)
TASK 46-26-32-610-801-A	Uploading of the Flight Operations and MAintenance eXchanger (FOMAX) Software with the Portable Data Loader (PDL)
TASK 46-26-32-610-801-B	Uploading of the Flight Operations and MAintenance eXchanger (FOMAX)
TASK 46-26-32-860-804-A	Access to the LEDs of the Flight Operations and MAintenance eXchanger (FOMAX)
Flight Operations and MAintenance eXchanger (FOMAX)

3. Job Set-up
Subtask 46-26-32-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at access door 824.
(3) Make sure that access door 824 is open.

Subtask 46-26-32-865-051-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	FOMAX	67TA	J01
** ON A/C NOT FOR ALL
121VU	FOMAX	67TA	R12

4. Procedure
Subtask 46-26-32-420-050-A ** ON A/C NOT FOR ALL

A. Installation of the FOMAX
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking caps from the electrical connectors (2).
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Install the FOMAX (1) on its rack (3).
(6) Push the FOMAX (1) on its rack (3) to connect the electrical connectors (2).
(7) Engage the nut (4) on the lugs (5).
(8) Tighten the nut (4).
(9) If you replace the FOMAX Line Replaceable Unit (LRU), do as follows unless the troubleshooting task tells you not to remove the Airbus Subscriber Identity Module (SIM) card:
(a) Remove the Airbus SIM card from the new FOMAX (Ref. AMM TASK 46-26-32-000-803).
(b) Install the Airbus SIM card (kept from the replaced LRU) into the new LRU (Ref. AMM TASK 46-26-32-400-803). Make sure that you put the Airbus SIM card in the same slot as the one in the replaced LRU.
(10) If you replace the FOMAX LRU, install the Airline SIM card(s) (kept from the replaced LRU) into the new LRU (Ref. AMM TASK 46-26-32-400-802). Make sure that you put the Airline SIM card(s) in the same slot(s) as the one(s) in the replaced LRU.
(11) If there is no FOMAX installed in the aircraft, install the Airline SIM card(s) (Ref. AMM TASK 46-26-32-400-802).

Subtask 46-26-32-280-050-A ** ON A/C NOT FOR ALL

B. Check of the FOMAX Start
(1) Get access to the FOMAX LEDs (Ref. AMM TASK 46-26-32-860-804).
(2) Do a check of the LEDs on the FOMAX front face.

ACTION	RESULT
1.Close circuit breaker 67TA.	On the FOMAX front face: The green LED is on and the amber LED flashes. Then, in less than 60 seconds, the amber LED goes off.

Subtask 46-26-32-610-050-A ** ON A/C NOT FOR ALL

C. Upload the FOMAX software (Ref. AMM TASK 46-26-32-610-801).

Subtask 46-26-32-610-056-A ** ON A/C NOT FOR ALL

D. If you replace the FOMAX and if the Airline-network-file management-service configuration in the new LRU is the same as in the removed LRU:
(1) Restore the Airline-network-file management-service data in the new LRU (Ref. AMM TASK 46-26-32-280-803).

Subtask 46-26-32-610-057-A ** ON A/C NOT FOR ALL

E. If you replace the FOMAX and if the Airbus link operates before you remove the FOMAX:
(1) Contact Airbus to start the Airbus link (with a key) again.

5. Close-up
Subtask 46-26-32-410-050-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access door 824.
(3) Remove the access platform(s).

Subtask 46-26-32-862-064-A ** ON A/C NOT FOR ALL

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.02 06:26:09 UTC