W DOC AIRBUS | AMM A320F

Datalink Extraction from the Cockpit Voice Recorder (CVR) for FA2100 Models

TASK 23-71-00-600-801-A
Datalink Extraction from the Cockpit Voice Recorder (CVR) for FA2100 Models

NOTE: There is no time limit for data extraction from the CVR.
ZONE: 312
1. Reason for the Job
To do the extraction of the datalink communications only.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
17TES0043
1
PORTABLE INTERFACE (PI)
17TES0078
1
L3AP RACK ADAPTOR CABLE
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
312
AFT FUSLG TAIL SECTION
312AR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 23-71-00-710-001-A
Operational Check of CVR and CVR-Channel Recording
TASK 23-71-00-710-002-A
Operational Test of the CVR Recording Logic Including Time Delay Relay
TASK 23-71-00-710-002-B
Operational Check of CVR Recording Logic Including Time Delay Relay
TASK 23-71-35-000-001-A
Removal of the Cockpit Voice Recorder (CVR)
TASK 23-71-35-400-001-A
Installation of the Cockpit Voice Recorder (CVR)
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)
F CVR Data Downloading with the L3AP Tool
3. Job Set-up
Subtask 23-71-00-860-063-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 23-71-00-865-058-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUCOM/CVR/SPLY23RKE14
Subtask 23-71-00-010-051-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at Zone 312.
   (2) Open the Accessory Compartment Access-Door 312AR.
4. Procedure
Subtask 23-71-00-610-056-A ** ON A/C NOT FOR ALL
A. Connection of the L3AP Tool
   (1) Remove the CVR (1) from the CVR rack (2). (Ref. AMM TASK 23-71-35-000-001)
   (2) Do a visual inspection of the component interfaces and the adjacent area.
   (3) Connect electrical connector (4) of the 17TES0078 L3AP RACK ADAPTOR CABLE to the CVR receptacle (3) of the CVR (1).
   (4) Connect electrical connector (5) of the 17TES0078 L3AP RACK ADAPTOR CABLE to the electrical connector receptacle (6) of the CVR rack (2).
   (5) Turn the label (7) to get access to the front connector (8) of the CVR (1).
   (6) Connect the 17TES0043 PORTABLE INTERFACE (PI) (11) to the front connector (8) of the CVR (1).
   (7) Tighten the captive screws (10).
Subtask 23-71-00-865-069-A ** ON A/C NOT FOR ALL
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUCOM/CVR/SPLY23RKE14
Subtask 23-71-00-860-084-A ** ON A/C NOT FOR ALL
C. Energization of the CVR
   (1) In the cockpit, on overhead control and indicating panel 21VU, push the RCDR/GND CTL pushbutton switch (the blue ON legend is on).
Subtask 23-71-00-610-057-A ** ON A/C NOT FOR ALL
D. Download the CVR data to the portable interface (11)
   (1) Obey the supplier data-extraction procedure.
NOTE: To get more information about the portable interface tool, you can refer to the TEM.
Subtask 23-71-00-865-070-A ** ON A/C NOT FOR ALL
E. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUCOM/CVR/SPLY23RKE14
Subtask 23-71-00-610-058-A ** ON A/C NOT FOR ALL
F. Disconnection of the L3AP Tool
   (1) Loosen the captive screws (10).
   (2) Disconnect the portable interface (11) from the front connector (8) of the CVR (1).
   (3) Turn the label (7) to its initial position.
   (4) Disconnect electrical connector (4) of the 17TES0078 L3AP RACK ADAPTOR CABLE from the electrical connector receptacle (3) of the CVR (1).
   (5) Disconnect electrical connector (5) of the 17TES0078 L3AP RACK ADAPTOR CABLE from the electrical connector receptacle (6) of the CVR rack (2).
   (6) Install the CVR (1) in the CVR rack (2). (Ref. AMM TASK 23-71-35-400-001)
Subtask 23-71-00-865-071-A ** ON A/C NOT FOR ALL
G. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUCOM/CVR/SPLY23RKE14
Subtask 23-71-00-860-079-A ** ON A/C NOT FOR ALL
H. De-energization of the CVR
   (1) In the cockpit, on overhead control and indicating panel 21VU, release the RCDR/GND CTL pushbutton switch (the blue ON legend is off).
Subtask 23-71-00-710-059-A ** ON A/C NOT FOR ALL
I. Operational Tests
   (1) Do the operational test of the Cockpit Voice Recorder (CVR) (Ref. AMM TASK 23-71-00-710-001)
   (2) Do the operational test of the CVR recording logic including time delay relay. (Ref. AMM TASK 23-71-00-710-002)
5. Close-up
Subtask 23-71-00-410-051-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 the Accessory Compartment Access-Door 312AR.
   (3) Remove the access platform(s).
Subtask 23-71-00-860-066-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] 2026.04.02 06:12:18 UTC
"WTRUIB" 2025