ENG 7B removal

ENGINE MAGNETIC CHIP DETECTORS

General Description

Before power plant removal begins, many tasks need to be considered, they are:

1.Special Inspection MCD’S or DMS

MCD’’ss

ENGINE MAGNETIC CHIP DETECTORS

Engine Preservation

General Description

This task is to dry the forward sump, aft sump, and the gearbox of the engine with hot air when the engine cannot be operated.

CAUTION: IF AN IN-FLIGHT SHUTDOWN

OCCURRED ON THE APPLICABLE ENGINE AND

THE ENGINE WILL NOT BE OPERATED FOR 24

HOURS AFTER A LANDING, YOU MUST DO THE

ENGINE DRY-OUT PROCEDURE AS QUICKLY AS

POSSIBLE. IF YOU DO NOT DO THE ENGINE

DRY-OUT PROCEDURE IMMEDIATELY AFTER A

LANDING, CONDENSATION CAN CAUSE

CORROSION DAMAGE ON THE COMPONENTS

WET WITH OIL.

856A2659

856A3620

856A1480 HMU FMV

ENGINE PRESERVATION

ENGINE DATA VERIFICATION

General Description

After power plant installation, many tasks need to be considered, they are:

1.Checking for current status of faults stored

2.Erasing EEC/DEU data fault check

3.Engine Serial number CDU input

4.FMC and EEC software status

5.ID plug verification status

6.Ground tests

7.BITE tests

8.Erasing faults and data status

CDU

ENGINE DATA VERIFICATION

ENGINE DATA

ENGINE DATA VERIFICATION

General Description

Check the necessary electronic units for fault information. Do the necessary BITE CHECKS to validate repairs after an engine change. Input data as serial number of the engine in the required areas of the CDU.

ENGINE DATA VERIFICATION