W DOC AIRBUS | AMM A320F

Operational Test of the Quick Access Recorder (QAR)


TASK 31-33-00-710-005-A
Operational Test of the Quick Access Recorder (QAR)


ZONE: 120
FIN: 3TU ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
120
AVIONICS COMPARTMENT
 B. 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
3. Job Set-up
Subtask 31-33-00-861-053-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 (upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001).
   (3) Energize the CFDS (Ref. AMM TASK 31-32-00-860-008).
Subtask 31-33-00-865-098-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUCOM/CVR/CTL4RKE13
121VURCDR/ACCLRM9TUK18
121VUAIDS & RCDR/QAR14TUK17
121VURCDR/DFDR7TUK16
121VUAIDS & RCDR/FDIMU5TVK15
4. Procedure
Subtask 31-33-00-710-061-I ** ON A/C NOT FOR ALL
A. Test of the QAR

NOTE: After the recorder is energized the unit does a self test.

NOTE: The replacement of data medium is not necessary if there is enough unrecorded capacity.
ACTION
RESULT
1.On QAR 3TU:
On the QAR 3TU front-panel:
  • Make sure that no optical disk is installed in the QAR.
  • The red STATUS indicator is on.
  • The green ON indicator is on.
  • The red DISK LOW indicator is on.
2.On QAR 3TU:
On the QAR 3TU front-panel:
  • Open the recorder front access-door.
  • Put a new formatted optical disk into the recorder. Make sure that the arrow is on the left side.
  • Close and lock the recorder front access-door.
  • The red indicator STATUS goes off.
  • The green indicator ON stays on.
  • The red indicator DISK LOW is off.
3.On control panel 21VU:
On control panel 21VU:
  • Push the GND CTL button.
  • The blue ON legend comes on.
4.On MCDU 1 or 2:
On the MCDU screen:
  • Push the line key adjacent to CFDS.
  • The CFDS main menu shows.
  • Push the line key adjacent to <SYSTEM REPORT/TEST.
  • The SYSTEM REPORT/TEST page shows.
  • Push the line key adjacent to INST>.
  • The SYSTEM REPORT/TEST INST page shows.
  • Push the line key adjacent to <FDIU.
  • The DFDRS page shows.
  • Push the line key adjacent to <GND SCANNING.
  • Message NO FAULT DETECTED shows.
5.On control panel 21VU:
On control panel 21VU:
  • Push the GND CTL button.
  • The blue ON legend goes off.

NOTE: The recorder is now in a serviceable condition.
5. Close-up
Subtask 31-33-00-862-053-A ** ON A/C NOT FOR ALL
A. 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) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.9 from 2019] 2026.04.01 08:31:16 UTC