Downloading of the Cockpit Voice Recorder (CVR) Data On-board with Hand Held Multi Purpose Interface (HHMPI) Tool
TASK 23-71-00-600-802-A-01
Downloading of the Cockpit Voice Recorder (CVR) Data On-board with Hand Held Multi Purpose Interface (HHMPI) Tool
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 23-71-00-860-075-A ** ON A/C NOT FOR ALL
Subtask 23-71-00-610-051-A ** ON A/C NOT FOR ALL
Subtask 23-71-00-410-053-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:12:18 UTC
Downloading of the Cockpit Voice Recorder (CVR) Data On-board with Hand Held Multi Purpose Interface (HHMPI) Tool
ZONE: 312
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 4M (13 FT) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| FDS40-0310 | 1 | HHMPI CVR/FDR READOUT |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 312 | AFT FUSLG TAIL SECTION |
| 312AR |
| 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) |
Subtask 23-71-00-860-075-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 23-71-00-010-053-A ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
B. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT) in position at zone 212.
(2) Open the Accessory Compartment Access-Door 312AR.
Subtask 23-71-00-865-062-A ** ON A/C NOT FOR ALL (1) Put the ACCESS PLATFORM 4M (13 FT) in position at zone 212.
(2) Open the Accessory Compartment Access-Door 312AR.
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 2RK | E14 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 23RK | E14 |
Subtask 23-71-00-610-051-A ** ON A/C NOT FOR ALL
A. Connection of the HHMPI Tool for CVR P/N 980-6032-XXX:
(1) Remove the Cockpit Voice Recorder (CVR) (1) from the CVR rack (3) (Ref. AMM TASK 23-71-35-000-001)
(2) Do a visual inspection of the component interfaces and the adjacent area.
(3) Insert the HNY CVR rack adaptor (PN:FDS40-0247)(2) between the mounting tray (3) and the CVR (1).
(4) Turn the label (4) to get access to the front connector of the CVR (1).
(5) Connect the HHMPI (PN:FDS40-0310)(6) to the CVR front connector with the HNY interface cable (PN:FDS40-0274)(5).
Subtask 23-71-00-610-071-A ** ON A/C NOT FOR ALL (1) Remove the Cockpit Voice Recorder (CVR) (1) from the CVR rack (3) (Ref. AMM TASK 23-71-35-000-001)
(2) Do a visual inspection of the component interfaces and the adjacent area.
(3) Insert the HNY CVR rack adaptor (PN:FDS40-0247)(2) between the mounting tray (3) and the CVR (1).
(4) Turn the label (4) to get access to the front connector of the CVR (1).
(5) Connect the HHMPI (PN:FDS40-0310)(6) to the CVR front connector with the HNY interface cable (PN:FDS40-0274)(5).
B. Connection of the HHMPI Tool for CVR P/N 980-6022-XXX:
(1) Remove the Cockpit Voice Recorder (CVR) (1) from the CVR rack (3) (Ref. AMM TASK 23-71-35-000-001).
(2) Do a visual inspection of the component interfaces and the adjacent area.
(3) Insert the HNY CVR rack adaptor (PN:FDS40-0215)(2) between the mounting tray (3) and the CVR (1).
(4) Connect the HHMPI (PN:FDS40-0310)(5) to the HNY interface cable connector (PN:FDS40-0215)(4).
Subtask 23-71-00-610-072-A ** ON A/C NOT FOR ALL (1) Remove the Cockpit Voice Recorder (CVR) (1) from the CVR rack (3) (Ref. AMM TASK 23-71-35-000-001).
(2) Do a visual inspection of the component interfaces and the adjacent area.
(3) Insert the HNY CVR rack adaptor (PN:FDS40-0215)(2) between the mounting tray (3) and the CVR (1).
(4) Connect the HHMPI (PN:FDS40-0310)(5) to the HNY interface cable connector (PN:FDS40-0215)(4).
C. Connection of the HHMPI Tool for CVR P/N LA3P (FA2100).
(1) Remove the Cockpit Voice Recorder (CVR)(1) from the CVR rack (6) (Ref. AMM TASK 23-71-35-000-001).
(2) Do a visual inspection of the component interfaces and the adjacent area.
(3) Insert the HNY CVR rack adaptor (PN:FDS40-0247)(7) between the mounting tray (6) and the CVR (1).
(4) Remove the screw (3) from the label (2).
(5) Turn the label (2) to get access to the front connector of the CVR (1).
(6) Connect the HHMPI (PN:FDS40-0310)(5) to the CVR front connector with the HNY interface cable (PN:FDS40-0202)(4).
Subtask 23-71-00-865-064-A ** ON A/C NOT FOR ALL (1) Remove the Cockpit Voice Recorder (CVR)(1) from the CVR rack (6) (Ref. AMM TASK 23-71-35-000-001).
(2) Do a visual inspection of the component interfaces and the adjacent area.
(3) Insert the HNY CVR rack adaptor (PN:FDS40-0247)(7) between the mounting tray (6) and the CVR (1).
(4) Remove the screw (3) from the label (2).
(5) Turn the label (2) to get access to the front connector of the CVR (1).
(6) Connect the HHMPI (PN:FDS40-0310)(5) to the CVR front connector with the HNY interface cable (PN:FDS40-0202)(4).
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 23-71-00-860-076-D ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 2RK | E14 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 23RK | E14 |
E. Aircraft Maintenance Configuration
(1) On the overhead panel,on the RCDR section of panel 21VU, on the RCDR/GND CTL pushbutton switch, make sure that the ON legend is on.
Subtask 23-71-00-610-053-A ** ON A/C NOT FOR ALL (1) On the overhead panel,on the RCDR section of panel 21VU, on the RCDR/GND CTL pushbutton switch, make sure that the ON legend is on.
F. Download the CVR data to the FDS40-0310 HHMPI CVR/FDR READOUT.
(1) Obey the supplier data-extraction procedure.
Subtask 23-71-00-865-067-A ** ON A/C NOT FOR ALL (1) Obey the supplier data-extraction procedure.
NOTE: To get more information about the portable interface tool, you can refer to the TEM.
G. Open, safety and tag this(these) circuit breaker(s):
Subtask 23-71-00-610-055-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 2RK | E14 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 23RK | E14 |
H. Disconnection of the HHMPI Tool for CVR P/N 980-6032-XXX:
(1) Disconnect the HHMPI (6) and the HNY interface cable (5) to the CVR front connector.
(2) Turn the label (4) to its initial position.
(3) Remove the HNY CVR rack adaptor (2) between the mounting tray (3) and the CVR (1).
(4) Install the CVR (1) on the CVR rack (3) (Ref. AMM TASK 23-71-35-400-001)
Subtask 23-71-00-610-073-A ** ON A/C NOT FOR ALL (1) Disconnect the HHMPI (6) and the HNY interface cable (5) to the CVR front connector.
(2) Turn the label (4) to its initial position.
(3) Remove the HNY CVR rack adaptor (2) between the mounting tray (3) and the CVR (1).
(4) Install the CVR (1) on the CVR rack (3) (Ref. AMM TASK 23-71-35-400-001)
I. Disconnection of the HHMPI Tool for CVR P/N 980-6022-XXX:
(1) Disconnect the HHMPI (5) to the HNY interface cable connector (4).
(2) Remove the HNY CVR rack adaptor (2) between the mounting tray (3) and the CVR (1).
(3) Install the CVR (1) on the CVR rack (3) (Ref. AMM TASK 23-71-35-400-001)
Subtask 23-71-00-610-074-A ** ON A/C NOT FOR ALL (1) Disconnect the HHMPI (5) to the HNY interface cable connector (4).
(2) Remove the HNY CVR rack adaptor (2) between the mounting tray (3) and the CVR (1).
(3) Install the CVR (1) on the CVR rack (3) (Ref. AMM TASK 23-71-35-400-001)
J. Disconnection of the HHMPI Tool for CVR P/N LA3P(FA2100).
(1) Disconnect the HHMPI (5) and the HNY interface cable (4) to the CVR front connector.
(2) Turn the label (2) to its initial position.
(3) Tighten the screw (3) from the label (2).
(4) Remove the HNY CVR rack adaptor (7) between the mounting tray (6) and the CVR (1).
(5) Install the CVR (1) on the CVR rack (6) (Ref. AMM TASK 23-71-35-400-001)
Subtask 23-71-00-865-068-A ** ON A/C NOT FOR ALL (1) Disconnect the HHMPI (5) and the HNY interface cable (4) to the CVR front connector.
(2) Turn the label (2) to its initial position.
(3) Tighten the screw (3) from the label (2).
(4) Remove the HNY CVR rack adaptor (7) between the mounting tray (6) and the CVR (1).
(5) Install the CVR (1) on the CVR rack (6) (Ref. AMM TASK 23-71-35-400-001)
K. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 23-71-00-860-077-B ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 2RK | E14 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 23RK | E14 |
L. 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 23-71-00-710-058-A ** ON A/C NOT FOR ALL (1) In the cockpit, on overhead control and indicating panel 21VU, release the RCDR/GND CTL pushbutton switch (the blue ON legend is off).
M. Operational Tests
(1) Do the operational test of the CVR and the CVR channel recording (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(1) Do the operational test of the CVR and the CVR channel recording (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).
Subtask 23-71-00-410-053-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 23-71-00-860-078-A ** ON A/C NOT FOR ALL (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).
B. Put the aircraft back to its initial configuration.
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
HHMPI Tool for CVR P/N 980-6022-XXX