W DOC AIRBUS | AMM A320F

Replacement of the Compact Flash Card of the WGL-QAR

TASK 31-33-00-960-801-A
Replacement of the Compact Flash Card of the WGL-QAR

CAUTION: MAKE SURE THAT EACH COMPACT FLASH CARD IS CORRECTLY ALIGNED BEFORE YOU INSTALL IT IN THE RELATED SLOT. ALSO DO NOT USE FORCE TO INSTALL IT. IF YOU DO NOT OBEY THESE INSTRUCTIONS, DAMAGE TO THE EQUIPMENT CAN OCCUR.
ZONE: 120
FIN: 3TU1 ** 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 31-33-00-710-021-A
Operational Test of the Wireless Ground Link-Quick Access Recorder (WGL-QAR)
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
F Compact Flash Card
3. Job Set-up
Subtask 31-33-00-861-079-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 31-33-00-010-073-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 31-33-00-865-113-A ** ON A/C NOT FOR ALL
C. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VURCDR/ACCLRM9TUK18
121VUAIDS & RCDR/QAR14TUK17
121VUAIDS & RCDR/FDIMU5TVK15
4. Procedure
Subtask 31-33-00-960-050-A ** ON A/C NOT FOR ALL
A. Replacement of the Compact Flash (CF) Recording Media from the WGL-QAR (3TU)

F Compact Flash Card ** ON A/C NOT FOR ALL
NOTE: For the installation it is recommended to record the correct position of the CF card before its removal.
NOTE: You must not eject the CF Recording Media immediately after the boot procedure. Wait minimum 1 minute after the WGL-QAR fully boots before you eject the CF Recording Media.
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.
  • CARTRIDGE EJECT comes into view.
  • Push the SEL button.
  • TO CONTINUE, PRESS + comes into view.
NOTE: If, at this time, the card is not installed, EJECT CURRENTLY NOT AVAILABLE comes into view.
  • Push the + button.
  • WAITING FOR CLEAN UP comes into view.
  • While you wait, turn the thumbscrew on the access door counter-clockwise and lower the door.
    The location of the Compact Flash (CF) card is at the bottom left of the compartment.
  • In less than 1 minute, the message REMOVE CF comes into view.

  • Push the black eject button below the CF card to eject the card. Remove the card from the slot.
  • The FAIL LIGHT comes on intermittently and SYSTEM WILL NOW REBOOT comes into view.
NOTE: While the WGL-QAR reboots, you can insert a new replacement CF card into the slot. If a CF card is installed after reboot, the WGL-QAR will reboot again.
  • Push the replacement CF card tightly into the slot. If the CF card is not formatted in EXT3 format, the WGL-QAR will re-format and prepare the card.
NOTE: If the CF card has been formatted and prepared by a different WGL-QAR, the card is recycled after a 30 seconds warning.
NOTE: The CF card is recommended but not necessary for operation. The WGL-QAR will operate in this configuration, but with the FAIL LIGHT on and an indication of CF DISK REMOVED. The FAIL discrete will not be on.
  • The FAIL LIGHT goes off.
  • Turn the thumbscrew clockwise by hand to safety the access door.

Subtask 31-33-00-710-108-A ** ON A/C NOT FOR ALL
B. Test
   (1) Do the operational test of the WGL-QAR (Ref. AMM TASK 31-33-00-710-021).
5. Close-up
Subtask 31-33-00-410-073-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 31-33-00-862-081-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 08:31:45 UTC
"Aviabrain" 2025