W DOC AIRBUS | AMM A320F

Operational Test of the Cockpit Voice and Data Recorder (CVDR)


TASK 31-39-00-710-804-A
Operational Test of the Cockpit Voice and Data Recorder (CVDR)


ZONE: 210
FIN: 4TU ** ON A/C NOT FOR ALL
FIN: 5TU ** 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
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
 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 31-39-00-861-053-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 31-39-00-865-056-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
49VURCDR1 CVR&FDR40TUE14
49VURCDR CTL41TUE13
** ON A/C NOT FOR ALL
121VURCDR2 CVR&FDR42TUK16
** ON A/C NOT FOR ALL
121VURCDR2 CVR&FDR42TUK39
4. Procedure
Subtask 31-39-00-710-054-A ** ON A/C NOT FOR ALL
A. Operational Test of the CVDR
ACTION
RESULT
1.On control panel 21VU:
On control panel 21VU:
  • Push the RCDR/GND CTL button.
  • The blue indicator light "ON" comes on.
2.On panel 121VU:
On the ECAM display:
  • Open circuit breakers RCDR1 40TU and RCDR2 42TU
  • The "RECORDER CVR FAULT" indication comes on.
  • The "RECORDER DFDR FAULT" indication comes on.
  • Close circuit breakers RCDR1 40TU and RCDR2 42TU.
  • The "RECORDER CVR FAULT" indication goes off.
  • The "RECORDER DFDR FAULT" indication goes off.
3.On control panel 21VU:
On control panel 21VU:
  • Push the RCDR/GND CTL button.
  • The blue indicator light "ON" goes off.
5. Close-up
Subtask 31-39-00-862-053-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to the serviceable condition.
   (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.10 from 2021] 2026.04.01 08:31:31 UTC