Analysis of the Engine Oil for Contamination [PW11]

TASK 79-00-00-281-806-A
Analysis of the Engine Oil for Contamination

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

1. Reason for the Job
Use this procedure to evaluate the condition of the Front Bearing Compartment (FBC) if any of the following faults were detected : high Main Oil Pressure (MOP), high Main Oil Temperature (MOT), Variable Oil Reduction Valve (VORV) out of position or Oil Debris Monitor (ODM) debris indication.
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 79-00-00-281-802-A	Inspection of the Magnetic Chip Collectors for Oil Contamination

3. Job Set-up
Subtask 79-00-00-941-091-A ** ON A/C NOT FOR ALL

A. Not Applicable

4. Procedure
Subtask 79-00-00-281-060-A ** ON A/C NOT FOR ALL

A. Analysis of the Engine Oil for Contamination
(1) Inspect the Front Bearing Compartment (FBC) chip collector (Ref. AMM TASK 79-00-00-281-802).
(2) If no debris is found, do a check of the FBC chip collector within 200 hours.
(3) If no debris is found during the second check of the chip collector, no further action is required.

[Rev.10 from 2021] 2026.04.01 03:41:15 UTC