Operational Test of the Wireless Ground Link-Quick Access Recorder (WGL-QAR)

TASK 31-33-00-710-021-A
Operational Test of the Wireless Ground Link-Quick Access Recorder (WGL-QAR)

ZONE: 120
FIN: 3TU ** 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	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
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 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 31-32-00-860-008-A	Procedure to Get Access to the SYSTEM REPORT/TEST/INST Page
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
TASK 52-41-00-410-002-A	Close the Avionics Compartment Doors after Access
TASK 31-33-00-00	DIGITAL FLIGHT DATA RECORDING SYSTEM (DFDRS) - INTERCONNECTION - DESCRIPTION AND OPERATION

3. Job Set-up
Subtask 31-33-00-861-071-C ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft is in Ground configuration (the landing gear is compressed and all engines are stopped).
(2) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(3) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
(4) Energize the CFDS (Ref. AMM TASK 31-32-00-860-008).
(5) On overhead maintenance panel 50VU, push the ENG FADEC GND PWR 1 pushbutton switch (the white ON legend comes on).
(6) On overhead maintenance panel 50VU, push the ENG FADEC GND PWR 2 pushbutton switch (the white ON legend comes on).

Subtask 31-33-00-010-077-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below access door 824.
(2) Open access door 824 (Ref. AMM TASK 52-41-00-010-002).
(3) For the location of the WGL-QAR, refer to paragraph Component Location (Ref. AMM D/O 31-33-00-00).

Subtask 31-33-00-865-088-A ** ON A/C NOT FOR ALL

C. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
49VU	AUTO FLT/MCDU/1	11CA1	B01
121VU	CFDS/CFDIU/SPLY	2TW	J18
121VU	CFDS/CFDIU/BACK/UP	8TW	J17
121VU	RCDR/ACCLRM	9TU	K18
121VU	AIDS & RCDR/QAR	14TU	K17
121VU	RCDR/DFDR	7TU	K16
121VU	AIDS & RCDR/FDIMU	5TV	K15
121VU	AUTO FLT/MCDU/2	11CA2	N20
121VU	ENGINE/ENG2/FADEC B	4KS2	Q40
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R41

4. Procedure
Subtask 31-33-00-710-093-C ** ON A/C NOT FOR ALL

A. Test of the Wireless Ground Link (WGL)-Quick Access Recorder (QAR)

ACTION	RESULT
1.On the WGL-QAR:	On the WGL-QAR:
After the WGL-QAR is energized, it does a self-test.	The WGL-QAR does a self-test for approximately 2 minutes (the FAIL LED flashes). After approximately 2 minutes, make sure that the FAIL LED is OFF.
	On the WGL-QAR display: SYSTEM STATE comes into view. For example: RUN DISABLED RecCmplDly ILOn
2.In the cockpit, on overhead control panel 21VU:	In the cockpit, on overhead control panel 21VU:
Push the GND CTL pushbutton switch.	The blue ON legend comes on.
	On the WGL-QAR Display:
	After some seconds RAWIN: SYNCIN: comes into view.
In the cockpit, on overhead control panel 21VU:	In the cockpit, on overhead control panel 21VU:
Release the GND CTL pushbutton switch.	The blue ON legend goes off.
	On the WGL-QAR Display:
	After some seconds, RUN-DISABLED R_ON: OFF comes into view.
3.On the WGL-QAR Display:	On the WGL-QAR Display:
Push the MODE button.	SYSTEM STATE comes into view.
Push the + button two times or until the ADVISORIES message comes into view.	ADVISORIES comes into view.
Push the SEL button.	NO ADVISORIES comes into view.
Push the MODE button.	ADVISORIES comes into view.
Push the + button one time or until the STATUS message comes into view.	STATUS comes into view.
Push the SEL button.	ACQUISITION comes into view.
Push the SEL button.	RAW comes into view.
Push the + button.	RATE comes into view.
Push the SEL button. Do a check of the data rate shown on the display. NOTE: The recording speed must agree with the SSFDR data rate.	Related recording speed in wps comes into view.
Push the MODE button.	RATE comes into view.
Push the + button one time or until the SOURCE message comes into view.	SOURCE comes into view.
Push the SEL button. Make sure that the Bipolar message comes into view.	Bipolar comes into view.

Subtask 31-33-00-865-092-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	RCDR/ACCLRM	9TU	K18

Subtask 31-33-00-918-050-A ** ON A/C NOT FOR ALL

C. Wait response
(1) Wait for 5 seconds.

Subtask 31-33-00-865-091-A ** ON A/C NOT FOR ALL

D. Close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	RCDR/ACCLRM	9TU	K18

5. Close-up
Subtask 31-33-00-410-076-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Close access door 824 (Ref. AMM TASK 52-41-00-410-002).
(2) Remove the access platform(s).

Subtask 31-33-00-862-071-C ** ON A/C NOT FOR ALL

B. Put the aircraft back to its initial configuration.
(1) De-energize the CFDS (Ref. AMM TASK 31-32-00-860-008).
(2) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
(3) On overhead maintenance panel 50VU, push the ENG FADEC GND PWR 1 pushbutton switch (the white ON legend goes off).
(4) On overhead maintenance panel 50VU, push the ENG FADEC GND PWR 2 pushbutton switch (the white ON legend goes off).
(5) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 08:31:12 UTC