Replacement of the Oil Filter and Check of the Magnetic Detectors [CFML]
TASK 79-35-00-040-810-A
Replacement of the Oil Filter and Check of the Magnetic Detectors
MMEL 79-09-07B
ENG 1(2) OIL FILTER - PARTLY CLOGGED Alert
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 79-35-00-860-066-A ** ON A/C NOT FOR ALL
Subtask 79-35-00-040-056-A ** ON A/C NOT FOR ALL
Subtask 79-35-00-942-056-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2017]
2026.04.01 03:43:41 UTC
Replacement of the Oil Filter and Check of the Magnetic Detectors
WARNING:
BE CAREFUL WHEN YOU WORK ON THE ENGINE AFTER THE ENGINE IS SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME AFTER THE ENGINE IS SHUTDOWN.
1. Reason for the JobMMEL 79-09-07B
ENG 1(2) OIL FILTER - PARTLY CLOGGED Alert
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 437 | FAN COWL |
| 438 | FAN COWL |
| 447 | FAN COWL |
| 448 | FAN COWL |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 79-00-00-200-806-A | Visual Inspection of the A, B and C Sumps, the Accessory Gearbox (AGB) and the Transfer Gearbox (TGB) Sump Scavenge Screen Plugs for Debris |
| TASK 79-21-05-000-803-A | Removal of the Oil Filter Cartridge |
| TASK 79-21-05-400-803-A | Installation of the Oil Filter Cartridge |
Subtask 79-35-00-860-066-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
4. Procedure(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:
- The ENG/MODE selector switch
- The ENG/MASTER 1(2) control switch.
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 79-35-00-040-056-A ** ON A/C NOT FOR ALL
A. Replacement of the Oil Filter
(1) Replace the oil filter (Ref. AMM TASK 79-21-05-000-803) and (Ref. AMM TASK 79-21-05-400-803).
Subtask 79-35-00-200-053-A ** ON A/C NOT FOR ALL (1) Replace the oil filter (Ref. AMM TASK 79-21-05-000-803) and (Ref. AMM TASK 79-21-05-400-803).
B. Inspection of the Magnetic Chip Detectors
(1) Do an inspection of the magnetic chip detectors (Ref. AMM TASK 79-00-00-200-806).
(2) Make sure that there are no chips on the detectors.
5. Close-up(1) Do an inspection of the magnetic chip detectors (Ref. AMM TASK 79-00-00-200-806).
(2) Make sure that there are no chips on the detectors.
Subtask 79-35-00-942-056-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Make an entry in the logbook to record that the oil filter has been replaced and that no chips were found on the chip detectors.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Make an entry in the logbook to record that the oil filter has been replaced and that no chips were found on the chip detectors.