Removal of the SIM Card from the SDU Configuration Module (SCM)

TASK 23-28-32-000-803-A
Removal of the SIM Card from the SDU Configuration Module (SCM)

ZONE: 120

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	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	SIM CARD

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
120	AVIONICS COMPARTMENT
824

C. 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)
SIM Card of the SCM ** ON A/C NOT FOR ALL
SIM Card of the SCM ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 23-28-32-861-051-A ** ON A/C NOT FOR ALL

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

Subtask 23-28-32-010-052-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 23-28-32-865-057-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 23-28-32-020-052-A ** ON A/C NOT FOR ALL

CAUTION: OBEY THESE PRECAUTIONS TO PREVENT ELECTROSTATIC DISCHARGE (ESD) DAMAGE TO THE COMPONENTS:

STAY ON A CONDUCTIVE SURFACE THAT IS ELECTRICALLY GROUNDED.
USE A CONDUCTIVE WRIST-STRAP THAT IS ELECTRICALLY GROUNDED. (CONNECTED TO A BONDING-POINT NEAR THE WORK AREA).
BEFORE YOU USE THE TOOLS, MOMENTARILY HOLD THEM AGAINST AN ELECTRICAL GROUND TO RELEASE STATIC ELECTRICITY.

A. Removal of the SIM Card from the SDU Configuration Module (SCM)

NOTE: Do not touch the metal contacts of the SIM card.

(1) Remove and retain the screws (1).
(2) Remove the SCM cover (2).
(3) Move the SIM card holder to release the SIM CARD (4).
(4) Remove the SIM CARD (4) from the SCM (3).

[Rev.10 from 2021] 2026.04.02 06:50:19 UTC