Readout Procedure of the Cockpit Voice and Data Recorder (CVDR) with the Recorder Data Interface (RDI)

TASK 31-39-00-710-806-A
Readout Procedure of the Cockpit Voice and Data Recorder (CVDR) with the Recorder Data Interface (RDI)

WARNING: PUT WARNING NOTICES IN THE COCKPIT TO TELL PERSONS NOT TO OPERATE THE FLIGHT CONTROLS. THE MOVEMENT OF THE TRIMMABLE HORIZONTAL STABILIZER (THS) CAN CAUSE INJURY TO PERSONS.

ZONE: 122
ZONE: 312
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. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	WARNING NOTICE(S)
17TES0900	1	RECORDER DATA INTERFACE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
122	AVIONICS COMPARTMENT
312	AFT FUSLG TAIL SECTION
312AR, 811

C. 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 31-39-33-000-801-A	Removal of the Cockpit Voice and Data Recorder (CVDR) and the Umbrella Panels
TASK 31-39-33-400-801-A	Installation of the Cockpit Voice and Data Recorder (CVDR) and the Umbrella Panels
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
Recorder Data Interface (RDI)

3. Job Set-up

NOTE: This procedure is applicable for the CVDR1 and CVDR2.

Subtask 31-39-00-861-055-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) Make sure that the GND CTL pushbutton on overhead panel 21VU is released (the blue ON indicator in the pushbutton is off).

Subtask 31-39-00-010-051-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put the WARNING NOTICE(S) in position in the cockpit to tell persons not operate the flight controls.
(2) For the CVDR1:
(a) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at access door 312AR.
(b) Open access door 312AR.
(c) Set light switch 3LJ to the ON position.
(d) Remove the applicable umbrella panels to get access to the CVDR1 (Ref. AMM TASK 31-39-33-000-801).
(3) For the CVDR2:
(a) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at access door 811.
(b) Open access door 811 (Ref. AMM TASK 52-41-00-010-002).

Subtask 31-39-00-865-066-A ** ON A/C NOT FOR ALL

C. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	RCDR1 CVR&FDR	40TU	E14
49VU	RCDR CTL	41TU	E13
** ON A/C NOT FOR ALL
121VU	RCDR/ACCLRM	9TU	K18
121VU	RCDR2 CVR&FDR	42TU	K16
** ON A/C NOT FOR ALL
121VU	RCDR/ACCLRM	9TU	K41
121VU	RCDR2 CVR&FDR	42TU	K39

4. Procedure
Subtask 31-39-00-710-058-A ** ON A/C NOT FOR ALL

A. Readout Procedure of the CVDR with the RDI

Recorder Data Interface (RDI) ** ON A/C NOT FOR ALL

(1) Do an inspection of the component interfaces and the adjacent area.
(2) Remove the blanking cap (1) to get access to the Ground-Support Equipment (GSE) connector (2).
(3) Connect the 17TES0900 RECORDER DATA INTERFACE (3) to the GSE connector (2) with the interface cable (4).
(4) Download the CVDR data to the 17TES0900 RECORDER DATA INTERFACE (3) that follows:

ACTION	RESULT
1.On the RDI: Push the "P1" pushbutton switch.	On the RDI: The RDI application home screen comes into view. The connection status changes to CONNECTED.
2.On the RDI: Touch the "Download" icon.	On the RDI: The download operations menu comes into view.
3.On the RDI: Touch the applicable download function icon: (a) "Flight Data" (b) "Audio" (c) "Datalink" (d) "Fault Log" (e) "Event Log" (f) "Engineering Unit (EU) File" NOTE: The functions that are not available are shown in grey. NOTE: Selection of the "Fault Log" and the "Event Log" functions will cause the download to start immediately.	On the RDI: The screen with the available download options comes into view.
4.On the RDI: Touch the applicable download option icon: (a) "Full" (b) "From Last" (c) "Marker" (d) "Time" NOTE: For the Audio function, it is necessary to select the applicable audio channel first.	On the RDI: The verify tail number screen comes into view.
5.On the RDI: Touch the "Verify Tail Number" icon.	On the RDI: A screen to enter the tail number comes into view.
6.On the RDI: Enter the tail number and touch the "Start Download" icon.	On the RDI: The download progress screen comes into view and the progress bar is shown. When the download is finished, the download complete screen comes into view.

(5) Disconnect the 17TES0900 RECORDER DATA INTERFACE (3) from the interface cable (4).
(6) Disconnect the interface cable (4) from the GSE connector (2).
(7) Put the blanking cap (1) on the GSE connector (2).

5. Close-up
Subtask 31-39-00-410-053-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) Install the applicable umbrella panels (Ref. AMM TASK 31-39-33-400-801).
(3) Set light switch 3LJ to the OFF position.
(4) Close access door 312AR.
(5) Close access door 811.
(6) Remove the access platform(s).
(7) Remove the WARNING NOTICE(S).

Subtask 31-39-00-862-057-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to its initial configuration.
(1) Make sure that the GND CTL pushbutton on overhead panel 21VU is in the OFF position (the blue ON indicator in the pushbutton is off).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 08:30:58 UTC