Removal of the SDU Configuration Module (SCM)

TASK 23-28-32-000-802-A
Removal of the 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
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

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 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)
SDU Configuration Module (SCM) ** ON A/C NOT FOR ALL
SDU Configuration Module (SCM) ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 23-28-32-861-050-A ** ON A/C NOT FOR ALL

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

Subtask 23-28-32-010-051-A ** ON A/C NOT FOR ALL

B. Get access to the avionics compartment.
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the access door 824.
(2) Open the access door 824.

Subtask 23-28-32-865-056-A ** ON A/C NOT FOR ALL

C. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	SATCOM	240RV	K01

4. Procedure
Subtask 23-28-32-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the SDU Configuration Module (SCM)
(1) Remove the SIM card from the SCM and retain it if necessary (Ref. AMM TASK 23-28-32-000-803).
(2) Disconnect the connector (4).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Remove the screws (2) and the washers (1).
(5) Remove the SCM (3).

[Rev.10 from 2021] 2026.04.02 06:12:03 UTC