Flight Data Interface and Management Unit (FDIMU) DFDRS Software Load Procedure with Portable Data Loader (PDL)

TASK 31-33-00-710-013-D
Flight Data Interface and Management Unit (FDIMU) DFDRS Software Load Procedure with Portable Data Loader (PDL)

FIN: 10TV ** ON A/C NOT FOR ALL

1. Reason for the Job
Upload of the software with the Portable Data Loader (PDL) (ALT45200001 or equivalent).
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	LOADER - DATA, PORTABLE
ALT45200001	1	PORTABLE DATA LOADER

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 31-36-00-740-012-A	Test of the Flight Data Interface and Management Unit (FDIMU)

3. Job Set-up
Subtask 31-33-00-860-087-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 aircraft is in ground configuration (landing gear compressed and all engines stopped).
(3) Make sure that all software disks are in non-writeprotected status (writeprotection OFF).

Subtask 31-33-00-865-121-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	CFDS/CFDIU/SPLY	2TW	J18
121VU	CFDS/CFDIU/BACK/UP	8TW	J17
121VU	DLS&/DLRB/SPLY	5TD	J15
121VU	PDL/PWR/SPLY	14TD	K19
121VU	RCDR/ACCLRM	9TU	K18
121VU	RCDR/DFDR	7TU	K16
121VU	AIDS & RCDR/FDIMU	5TV	K15
121VU	ENGINE/ENG1 AND 2/EVMU	1EV	R44

Subtask 31-33-00-480-053-A ** ON A/C NOT FOR ALL

C. Installation of the PDL
(1) On the center pedestal:
(a) Remove data loader panel 117VU.
(b) Connect the ALT45200001 PORTABLE DATA LOADER or LOADER - DATA, PORTABLE to the connector of panel data loader panel 117VU.

Subtask 31-33-00-860-088-A ** ON A/C NOT FOR ALL

D. Start the PDL
(1) Start the ALT45200001 PORTABLE DATA LOADER or LOADER - DATA, PORTABLE (Refer to the PDL user guide).

4. Procedure
Subtask 31-33-00-710-116-A ** ON A/C NOT FOR ALL

A. FDIMU DFDRS Software Load Procedure with the PDL

NOTE: If the PDL has the digital signature check, the PDL can trigger two messages:

When the software has no signature (refer to the PDL user guide), this message has no effect on the A/C software upload and you can ignore it.
When the signature is incorrect or corrupted (refer to the PDL user guide), the software upload is not possible and it is necessary to use other software.

As a data security precaution, Airbus recommends that the user does a report of the fault to his Aircraft Security Focal Point.

ACTION	RESULT
On the overhead panel, on the DLS:	On the DLS display:
Put the ON/OFF switch to the ON position.
Push the NEXT or PREV key until the FDRSYS NOT SELECTED indication shows on the display.	The FDRSYS NOT SELECTED indication shows.
Push the SEL CTL key.	The FDRSYS SELECTED indication shows.
On the PDL: Upload the FDIMU DFDRS software (Refer to the PDL user guide).
On the DLS panel:	On the DLS display:
Push the SEL CTL key.	The FDRSYS NOT SELECTED indication shows.
Set the ON/OFF switch to OFF position.

Subtask 31-33-00-860-089-A ** ON A/C NOT FOR ALL

B. Stop the PDL
(1) Stop the ALT45200001 PORTABLE DATA LOADER or LOADER - DATA, PORTABLE (Refer to the PDL user guide).

Subtask 31-33-00-080-053-A ** ON A/C NOT FOR ALL

C. Removal of the PDL
(1) On the center pedestal:
(a) Disconnect the ALT45200001 PORTABLE DATA LOADER or LOADER - DATA, PORTABLE from the connector of panel data loader panel 117VU.
(b) Install data loader panel 117VU.

5. Close-up
Subtask 31-33-00-740-053-A ** ON A/C NOT FOR ALL

A. Test
(1) Do the test of the FDIMU (Ref. AMM TASK 31-36-00-740-012).

Subtask 31-33-00-410-080-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.

Subtask 31-33-00-862-085-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 00:34:15 UTC