Visual Inspection of the Fan and Booster Module [CFML]

TASK 72-21-00-210-802-A
Visual Inspection of the Fan and Booster Module

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

1. Reason for the Job
This procedure gives criteria for visual inspection of the fan and booster module.

NOTE: The inspection criteria below are applicable after removal of high metal.

NOTE: You can use equivalent alternatives for standard tools, equipment and consumable materials.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	MAT - PROTECTIVE
No specific	AR	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 72-21-01-210-802-A	Visual Inspection of the Flow Path Panel
TASK 72-21-02-210-801-A	Visual Inspection of the Booster Flow Splitter
TASK 72-21-03-210-801-A	Visual Inspection of the Flow Path Fairing Half Ring
TASK 72-21-20-210-802-A	Visual Inspection of the Fan Blade
TASK 72-21-40-210-801-A	Visual Inspection of the Front Spinner
TASK 72-21-42-210-801-A	Visual Inspection of the Fan Blade Platform
TASK 72-21-60-210-801-A	Visual Inspection of the Platform Front Shroud
Fan and Booster Module

3. Job Set-up
Subtask 72-21-00-941-093-A

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:

The ENG/MODE selector switch, and
The ENG/MASTER 1(2) control switch.

(2) On the ENG section of maintenance panel 50VU:
(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 72-21-00-010-069-A

B. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(2) Install the MAT - PROTECTIVE.

4. Procedure
Subtask 72-21-00-210-067-A

A. Visual Inspection of the Fan and Booster Module

Table : Visual Inspection of the Fan and Booster Module

INSPECT/CHECK	MAXIMUM SERVICEABLE LIMIT
Platform front shroud (1)	(Ref. AMM TASK 72-21-60-210-801)
Front spinner (2)	(Ref. AMM TASK 72-21-40-210-801)
Flow path fairing (3)	(Ref. AMM TASK 72-21-01-210-802)
Flow path fairing half ring (4)	(Ref. AMM TASK 72-21-03-210-801)
Fan blade (5)	(Ref. AMM TASK 72-21-20-210-802)
Fan blade platform (6)	(Ref. AMM TASK 72-21-42-210-801)
Booster flow splitter (7)	(Ref. AMM TASK 72-21-02-210-801)

5. Close-up
Subtask 72-21-00-942-082-A

A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the MAT - PROTECTIVE.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:51:15 UTC