Deactivation of the TCAS

TASK 34-72-00-040-001-A
Deactivation of the TCAS

ZONE: 210
FIN: 1000SG ** ON A/C NOT FOR ALL

1. Reason for the Job
MMEL 34-43-01 Traffic Alert and Collision Avoidance System (TCAS II)
(FAA Only).
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

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)
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 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
TASK 34-10-00-860-004-A	Inertial Reference (IR) Alignment-Procedure
TASK 34-10-00-860-004-A-01	Automatic Inertial Reference (IR) Alignment-Procedure
TASK 34-10-00-860-004-A-02	Inertial Reference (IR) Alignment-Procedure to do a Check of the Links between each Flight Management and Guidance Computer (FMGC) and the three Air Data/Inertial Reference Units (ADIRUs)
TASK 34-10-00-860-005-A	ADIRS Stop Procedure

3. Job Set-up
Subtask 34-72-00-860-050-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) Do the EIS start procedure (PFDs and NDs only) (Ref. AMM TASK 31-60-00-860-001).
(3) Do the IR alignment procedure (Ref. AMM TASK 34-10-00-860-004).
(4) On the EFIS control sections of the FCU:

Set the mode selector switches to ROSE.
Set the scale selector switches to 10.

Subtask 34-72-00-875-050-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
49VU	COM NAV/ATC/1	5SH1	G11
121VU	T/TISS	2004SG	K07
121VU	TCAS	1006SG	L01

Subtask 34-72-00-875-051-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	T/TISS	2004SG	K07

4. Procedure
Subtask 34-72-00-040-050-A ** ON A/C NOT FOR ALL

A. Deactivation of the TCAS
(1) Open, safety and tag TCAS circuit breaker 1006SG (ignore the related warnings).

5. Close-up
Subtask 34-72-00-875-052-A ** ON A/C NOT FOR ALL

A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	T/TISS	2004SG	K07

Subtask 34-72-00-860-051-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) Make sure that the TCAS does not operate.
(2) Put an applicable placard in position in the cockpit (refer to your standard practices and local regulations).
(3) Make an entry in the logbook to record the deactivation.

Subtask 34-72-00-860-054-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Do the ADIRS stop procedure (Ref. AMM TASK 34-10-00-860-005).
(2) Do the EIS stop procedure (Ref. AMM TASK 31-60-00-860-002).
(3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(4) Make sure that the work area is clean and clear of tools and other items.

[Rev.10 from 2021] 2026.04.02 06:23:36 UTC