End Of File (EOF) and Wireless Ground Link (WGL) File Recycle Task of the Wireless Ground Link-Quick Access Recorder (WGL-QAR)

TASK 31-33-00-710-019-A
End Of File (EOF) and Wireless Ground Link (WGL) File Recycle Task 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

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 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 31-33-00-861-069-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).

Subtask 31-33-00-010-065-A ** ON A/C NOT FOR ALL

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

Subtask 31-33-00-865-086-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
121VU	RCDR/ACCLRM	9TU	K18
121VU	AIDS & RCDR/QAR	14TU	K17
121VU	RCDR/DFDR	7TU	K16

4. Procedure
Subtask 31-33-00-710-090-C ** ON A/C NOT FOR ALL

A. End Of File (EOF) and Wireless Ground Link (WGL) File Recycle Task

NOTE: If you do this task, you will erase all recorded data contained in the Wireless Ground Link - Quick Access Recorder (WGL-QAR). You must do this task only if data-loss is permitted.

ACTION	RESULT
On the WGL-QAR Front Panel:	On the WGL-QAR Display:
Push the MODE button.	SYSTEM STATE comes into view.
Push the + button again and again until the STATUS message comes into view.	STATUS comes into view.
Push the SEL button.	ACQUISITION comes into view.
Push the + button again and again until the CAPACITY message comes into view.	CAPACITY comes into view.
Push the SEL button.	RAW PERCENTAGE comes into view.
Push the + button until the RECYCLE EOF AND WGL FILES message comes into view.	RECYCLE EOF AND WGL FILES comes into view.
Push the SEL button.	RECORDING LOST + TO CONTINUE comes into view. NOTE: To prevent data-loss, you can push the MODE button at this time.
NOTE: If you do the next step, all recorder data will be erased. Push the + button.	The WGL-QAR reboots. After reboot the WGL-QAR, is ready for operation.

5. Close-up
Subtask 31-33-00-410-065-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access door 824 (Ref. AMM TASK 52-41-00-410-002).
(3) Remove the access platform(s).

Subtask 31-33-00-862-069-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to its initial configuration.
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 00:34:19 UTC