Visual Inspection of the Fan Section after Engine Operation in Severe Icing Condition [CFMB]

TASK 72-00-00-200-028-A
Visual Inspection of the Fan Section after Engine Operation in Severe Icing Condition

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

1. Reason for the Job
You must do a visual inspection of the fan section area (primarily, the front end of the fan section) after the engines have operated in bad icing conditions.

NOTE: This inspection can be done with the fan cowl and thrust reverser cowl doors closed. If necessary, use an electric torch (flashlight) to look rearwards through the fan rotor blades.

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

REFERENCE	QTY	DESIGNATION
No specific	AR	FLASHLIGHT
No specific	AR	MAT - RUBBER

B. Referenced Information

REFERENCE	DESIGNATION
TASK 72-21-00-210-005-A	Inspection/Check of the Spinner Cone
TASK 72-21-00-210-009-A	Inspection of Fan Rotor Blades Installed on the Fan Disk
TASK 72-23-00-210-004-A	Visual Inspection of the Fan Frame Assembly

3. Job Set-up
Subtask 72-00-00-941-073-A ** ON A/C NOT FOR ALL

A. Put a MAT - RUBBER, in the powerplant inlet cowl before you go into it to do this inspection. If necessary, use an FLASHLIGHT for a better lighting aft of the fan rotor blades.

4. Procedure
Subtask 72-00-00-210-072-A ** ON A/C NOT FOR ALL

A. Visual Inspection
(1) Look for possible damage to the spinner front and rear cones exposed areas (Ref. AMM TASK 72-21-00-210-005).
(2) Examine the general condition of the fan rotor blades (Ref. AMM TASK 72-21-00-210-009).
(3) Look for possible damage to the fan forward acoustical panels (Ref. AMM TASK 72-23-00-210-004).
(4) Through the fan rotor blades, look for possible damage to:

NOTE: If necessary, (dim lighting conditions) use an FLASHLIGHT.

(a) The leading edge of fan outlet guide vanes (OGVs),
(b) Splitter fairing,
(c) Fan mid acoustical panels (located between the fan rotor blades and the OGV assembly), (Ref. AMM TASK 72-23-00-210-004).

5. Close-up
Subtask 72-00-00-869-074-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) Remove the MAT - RUBBER from the powerplant inlet cowl.
(2) Make sure the inlet cowl area is clean and clear of tool(s) and other items.

[Rev.10 from 2021] 2026.04.01 02:40:49 UTC