Update of the Engine Hours and Cycles in the DMU after Engine or DMU Replacement

TASK 31-36-00-740-005-A
Update of the Engine Hours and Cycles in the DMU after Engine or DMU Replacement

NOTE: BEFORE UPDATE OF ENGINE HOURS AND CYCLES THE FADEC'S MUST BE ENERGIZED (C/B'S PUSHED AND GROUND POWER SWITCHED ON).

FIN: 1TV ** ON A/C NOT FOR ALL

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)

3. Job Set-up
Subtask 31-36-00-860-054-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) On the Overhead Panel 50VU push the ENG/FADEC GND PWR/1 button (the white light indicator ON comes on).
(3) On the Overhead Panel 50VU push the ENG/FADEC GND PWR/2 button (the white light indicator ON comes on).

Subtask 31-36-00-865-059-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
49VU	ENGINE/2/FADEC A/AND EIU 2	2KS2	A05
49VU	ENGINE/1/FADEC A/AND EIU 1	2KS1	A04
49VU	AUTO FLT/MCDU/1	11CA1	B01
121VU	CFDS/CFDIU/SPLY	2TW	J18
121VU	CFDS/CFDIU/BACK/UP	8TW	J17
121VU	AIDS/DMU	4TV	K15
121VU	AUTO FLT/MCDU/2	11CA2	N20
121VU	ENGINE/ENG2/FADEC B	4KS2	Q40
121VU	ENGINE/ENG1/FADEC B/AND EIU 1	4KS1	R41

4. Procedure
Subtask 31-36-00-740-053-B ** ON A/C NOT FOR ALL

A. Enter the Engine hours and cycles data into the DMU

NOTE: This procedure is for the engine 1. For the engine 2 you must use the indication in the parentheses.

ACTION	RESULT
On the MCDU: Push the MCDU MENU mode key.	On the MCDU display: The MCDU MENU page comes into view.
Push the line key adjacent to the < AIDS indication.	The AIDS page comes into view.
Push the line key adjacent to the < PROGRAMMING indication.	The AIDS DMU PROGRAMMING page comes into view.
Enter the level 2 customer access code (SFIMP) and push the line key adjacent to the * ENTER PASSWORD indication.	The color of the PROGRAMMING MENUS indication changes from white into cyan.
Push the line key adjacent to the < PROGRAMMING MENUS indication.	The AIDS DMU PROGRAMMING page comes into view.
Push the line key adjacent to the STATISTIC < COUNTERS indication.	The AIDS STATISTIC COUNTERS page comes into view.
Enter the hours and cycles of the replacement engine (format: HRS/CYCLES) with the alphanumeric keys. Push the line key adjacent to the EHRS1 ECYC1 00000 00000 * (EHRS2 ECYC2 00000 00000 *) indications.	The revised data for the EHRS1 and ECYC1 (EHRS2 and ECYC2) show.
On the MCDU: Push the line key adjacent to the PRINT * indication.	On the center pedestal: The printer makes a printout of the revised values.
Push the line key adjacent to * RETURN to memorize the new values.
On the MCDU: Push the MCDU MENU mode key	On the MCDU display: The MCDU MENU page comes into view

5. Close-up
Subtask 31-36-00-860-055-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) On the Overhead Panel 50VU push the ENG/FADEC GND PWR/1 button (the white light indicator ON goes off).
(2) On the Overhead Panel 50VU push the ENG/FADEC GND PWR/2 button (the white light indicator ON goes off).
(3) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 08:31:08 UTC