Update of APU Data (hours/cycles)

TASK 49-00-00-860-011-A
Update of APU Data (hours/cycles)

FIN: 4005KM ** ON A/C NOT FOR ALL

1. Reason for the Job
This procedure allows the operator to update the APU hours and cycles after an ECB or APU change.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

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 31-32-00-860-001-A	Procedure to Get Access to the SYSTEM REPORT/TEST Menu Page
Update of the APU Hours and Cycles

3. Job Set-up
Subtask 49-00-00-861-062-C ** ON A/C NOT FOR ALL

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

Subtask 49-00-00-865-233-A ** ON A/C NOT FOR ALL

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	AIDS & RCDR/FDIMU	5TV	K15

Subtask 49-00-00-865-128-A

DELETED

Subtask 49-00-00-860-119-C ** ON A/C NOT FOR ALL

D. Aircraft Maintenance Configuration
(1) On overhead panel 25VU, push the APU MASTER SW pushbutton switch (the ON legend comes on).
(2) Do the procedure to get the SYSTEM/REPORT TEST menu page (Ref. AMM TASK 31-32-00-860-001).

4. Procedure
Subtask 49-00-00-869-050-A ** ON A/C NOT FOR ALL

A. Enter APU Hours and Cycles into the ECB

ACTION	RESULT
1.On the MCDU: push the line key adjacent to the APU indication.	On the MCDU display: the APU page comes on.
push the NEXT PAGE pushbutton switch.
push the line key adjacent to the APU DATA/OIL indication.	the APU DATA/OIL page comes on.
push the line key adjacent to the HOURS or START CYCLES indication.	the UPDATE APU DATA page comes on.
2.On the MCDU keyboard: enter the new values of APU hours and cycles (i.e. "01152/01330").	On the last line of the MCDU display (scratch-pad): the entered data is shown simultaneously.
3.On the MCDU: push the line key adjacent to the HOURS CYCLES indication to memorize the new values.	On the MCDU display: the new values of APU hours and cycles come on.
4.On the MCDU: push the line key adjacent to the RETURN indication until the CFDS main menu comes on.

5. Close-up
Subtask 49-00-00-865-235-A ** ON A/C NOT FOR ALL

A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	AIDS & RCDR/FDIMU	5TV	K15

Subtask 49-00-00-860-118-L ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) On overhead panel 25VU, push the APU MASTER SW pushbutton switch (the ON legend goes off).

Subtask 49-00-00-862-060-A ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.04.01 12:41:42 UTC