Access to the Data Memory Module (DMM) Report (131-9(A))

TASK 49-00-00-970-001-A
Access to the Data Memory Module (DMM) Report (131-9(A))

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. 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 31-32-00-860-001-A	Procedure to Get Access to the SYSTEM REPORT/TEST Menu Page

3. Job Set-up
Subtask 49-00-00-861-063-A ** ON A/C NOT FOR ALL

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)

Subtask 49-00-00-865-134-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	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41

Subtask 49-00-00-860-135-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) On the overhead panel push the APU MASTER SW p/bsw (the blue ON legend comes on).
(2) Do the procedure to get the SYSTEM/REPORT TEST item APU (Ref. AMM TASK 31-32-00-860-001).

4. Procedure
Subtask 49-00-00-970-050-A ** ON A/C NOT FOR ALL

A. Get access to the DMM data

ACTION	RESULT
1.On the MCDU:	On the MCDU display:
push the line key adjacent to the APU indication.	the APU page comes on.
push the NEXT page p/bsw.
push the line key adjacent to the SERVICE DATA indication.	the SERVICE DATA page comes on.
push the line key adjacent to the DMM indication.	the DMM DATA page comes on.

5. Close-up
Subtask 49-00-00-860-136-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) On the overhead panel push the APU MASTER SW p/bsw (the blue ON legend goes off).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 01:25:45 UTC