W DOC AIRBUS | AMM A320F

Installation of SDU Configuration Module (SCM)

TASK 23-28-32-400-802-A
Installation of SDU Configuration Module (SCM)

ZONE: 120
FIN: 1079RV1 ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
120
AVIONICS COMPARTMENT
824
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 23-28-32-000-803-A
Removal of the SIM Card from the SDU Configuration Module (SCM)
TASK 23-28-32-400-803-A
Installation of the Subscriber Identity Module (SIM) Card in the Satellite Data Unit (SDU) Configuration Module (SCM)
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)
F SDU Configuration Module (SCM) ** ON A/C NOT FOR ALL
F SDU Configuration Module (SCM) ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 23-28-32-860-051-A ** 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) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at the access door 824.
   (3) Make sure that the access door 824 is open.
Subtask 23-28-32-865-054-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUSATCOM240RVK01
4. Procedure
Subtask 23-28-32-420-051-A ** ON A/C NOT FOR ALL
A. Installation of the SDU Configuration Module (SCM)
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Remove the CAP-BLANKING from each electrical connector and receptacle.
   (4) Make sure that all the electrical connections are clean and in the correct condition.
   (5) Install the SCM (3) with the screws (2) and the washers (1).
   (6) Connect the connector (4).
   (7) If necessary, remove the new SIM card from the new SCM and install the SIM card retained during the removal procedure in the SCM (Ref. AMM TASK 23-28-32-000-803) (Ref. AMM TASK 23-28-32-400-803).
Subtask 23-28-32-865-055-A ** ON A/C NOT FOR ALL
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUSATCOM240RVK01
Subtask 23-28-32-740-051-A ** ON A/C NOT FOR ALL
C. BITE Test with the Multipurpose Control and Display Unit (MCDU)
ACTION
RESULT
1.On the MCDU, on the MCDU MENU page:
On the MCDU:
  • Push the Line Select Key (LSK) adjacent to the SAT indication.
  • The SATCOM MAIN MENU page comes into view.
2.On the SATCOM MAIN MENU page:

  • Push the LSK adjacent to the SATCOM STATUS indication.
  • The SATCOM STATUS page comes into view.
3.On the SATCOM STATUS page:

  • Push the LSK adjacent to the BITE indication.
  • The SATCOM BITE STATUS page comes into view.
  • The SCM OK indication comes into view.
5. Close-up
Subtask 23-28-32-410-051-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the access door 824.
   (3) Remove the access platform(s).
Subtask 23-28-32-862-051-A ** ON A/C NOT FOR ALL
B. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.02 06:12:03 UTC
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