DOC AIRBUS | AMM A320FDeactivation of the Cockpit Voice and Data Recorder (CVDR)
TASK 31-39-00-040-801-A
Deactivation of the Cockpit Voice and Data Recorder (CVDR)
1. Reason for the Job
A. Work Zones and Access Panels
B. Referenced Information
3. Job Set-up
Subtask 31-39-00-860-058-A ** ON A/C NOT FOR ALL
Subtask 31-39-00-040-050-A ** ON A/C NOT FOR ALL
Subtask 31-39-00-860-059-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:36:50 UTC
Deactivation of the Cockpit Voice and Data Recorder (CVDR)
1. Reason for the Job
NOTE: This procedure is for the deactivation of the Cockpit Voice and Data Recorder (CVDR).
NOTE: Make sure that this procedure is used in agreement with the local authorities.
NOTE: This deactivation task is not related to an AFM-CDL/MMEL item.
2. Job Set-up InformationA. Work Zones and Access Panels
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 210 | CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD |
| 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 |
Subtask 31-39-00-860-058-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 31-39-00-865-059-A ** ON A/C NOT FOR ALL (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).
B. Make sure that this(these) circuit breaker(s) is(are) closed:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | RCDR1 CVR&FDR | 40TU | E14 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | RCDR2 CVR&FDR | 42TU | K16 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | RCDR2 CVR&FDR | 42TU | K39 |
Subtask 31-39-00-040-050-A ** ON A/C NOT FOR ALL
A. Deactivation of the CVDR
(1) Open, safety and tag circuit breakers 40TU and 42TU of the CVDR1 and CVDR2.
5. Close-up(1) Open, safety and tag circuit breakers 40TU and 42TU of the CVDR1 and CVDR2.
NOTE: On the ECAM display the following messages come into view "RECORDER CVR FAULT" and "RECORDER DFDR FAULT".
Subtask 31-39-00-860-059-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) Make an entry in the log book.
(4) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(5) Make sure that the work area is clean and clear of tools and other items.
(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) Make an entry in the log book.
(4) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(5) Make sure that the work area is clean and clear of tools and other items.