Replacement of the Engine Oil Filter [PW11]

TASK 79-35-00-040-813-A
Replacement of the Engine Oil Filter

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

ZONE: 210
ZONE: 400

1. Reason for the Job
MMEL 79-09-05C
ENG 1(2) OIL SENSOR FAULT ALERT
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
400	POWER PLANT, NACELLES AND PYLONS

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 31-32-00-860-012-A	Procedure to Get Access to the SYSTEM REPORT/TEST/ENG Page
TASK 79-21-06-960-801-A	Replace the Oil Filter Element

3. Job Set-up
Subtask 79-35-00-861-053-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized
(Ref. AMM TASK 24-41-00-861-002).

4. Procedure
Subtask 79-35-00-040-060-A ** ON A/C NOT FOR ALL

A. On the Centralized Fault Display System (CFDS), do a check for the maintenance messages "ENGxD-0677-PHMU INTERNAL FAIL" and/or "ENGxD-0678-PHMU CAN BUS FAIL" and/or "ENGxD-0730-PHMU INTERNAL SNSR INTERFACE" and/or "ENGxA-0571-LOSS OF ODM" and/or "ENGxB-0572-LOSS OF ODM".
(1) On the Multipurpose Control and Display Unit (MCDU), in the interactive-mode fault reports of the Electronic Engine Control (EEC), make sure that these maintenance messages are not shown for channel A and/or channel B.
(a) Get access to the three reports that follow:
1 Ground report:
a On the left or right MCDU, get the SYSTEM REPORT/TEST/ENG menu page (Ref. AMM TASK 31-32-00-860-012).
b Initialize Menu Mode of the applicable engine and EEC channel by selecting FADEC XY (X = Engine position, Y = EEC channel).
c From the Menu Mode MAIN MENU, select the key adjacent to GROUND REPORT (5R).
d The GROUND REPORT screen is displayed, providing fault information.
2 Last leg report:
a On the left or right MCDU, get the SYSTEM REPORT/TEST/ENG menu page (Ref. AMM TASK 31-32-00-860-012).
b Initialize Menu Mode of the applicable engine and EEC channel by selecting FADEC XY (X = Engine position, Y = EEC channel).
c From the Menu Mode MAIN MENU, select the key adjacent to LAST LEG REPORT (1L).
d The LAST LEG REPORT screen is displayed, providing fault information.
3 Post Flight Report (PFR):
a On the printed report, read the list of failure messages.
(b) Make sure that the fault messages "ENGxD-0677-PHMU INTERNAL FAIL" and/or "ENGxD-0678-PHMU CAN BUS FAIL" and/or "ENGxD-0730-PHMU INTERNAL SNSR INTERFACE" and/or "ENGxA-0571-LOSS OF ODM" and/or "ENGxB-0572-LOSS OF ODM" are not shown on these reports.

Subtask 79-35-00-960-055-A ** ON A/C NOT FOR ALL

B. Replace the oil filter element (Ref. AMM TASK 79-21-06-960-801).

5. Close-up
Subtask 79-35-00-860-069-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make an entry in the logbook to record that you replaced the oil filter element.
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 03:42:26 UTC