DOC AIRBUS | AMM A320FDetailed Visual Inspection of the LP Compressor (Fan) Section [IAE]
TASK 72-31-00-200-010-B
Detailed Visual Inspection of the LP Compressor (Fan) Section
1. Reason for the Job
This task gives the procedure for the detailed visual inspection of the LP compressor (fan) section.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 72-31-00-941-060-A ** ON A/C NOT FOR ALL
Subtask 72-31-00-210-055-A ** ON A/C NOT FOR ALL
Subtask 72-31-00-942-052-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:44:43 UTC
Detailed Visual Inspection of the LP Compressor (Fan) Section
1. Reason for the Job
This task gives the procedure for the detailed visual inspection of the LP compressor (fan) section.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | MAT - WORK |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 72-31-11-200-010-B | Inspection of the Low Pressure (LP) Compressor Fan Blades |
| TASK 72-32-85-200-010-B | Inspection of the Fan Case Assembly |
| TASK 72-38-11-200-010-B | Inspection of the Inlet Cone and the Inlet Cone Fairing |
Subtask 72-31-00-941-060-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
(4) Put the ACCESS PLATFORM 1M(3 FT) in position to give access to the engine for the inspection.
(5) Put the MAT - WORK in position in the intake cowl.
4. Procedure(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
(4) Put the ACCESS PLATFORM 1M(3 FT) in position to give access to the engine for the inspection.
(5) Put the MAT - WORK in position in the intake cowl.
NOTE: Make sure that the red warning pennants of the workmat can be seen external to the aircraft.
NOTE: Make sure the workmat has sufficient dimensions to give full protection to the lower half of the intake cowl surface.
Subtask 72-31-00-210-055-A ** ON A/C NOT FOR ALL
A. Visual Inspection of the LP Compressor (Fan) Section:
(1) Examine the inlet cone (1) and the fairing (2) (Ref. AMM TASK 72-38-11-200-010).
(2) Examine the stage 1 fan blades (4) and the annulus fillers (3) (Ref. AMM TASK 72-31-11-200-010)
(3) Examine the attrition lining (5) for rubs, scores and gouges (Ref. AMM TASK 72-32-85-200-010).
5. Close-up(1) Examine the inlet cone (1) and the fairing (2) (Ref. AMM TASK 72-38-11-200-010).
(2) Examine the stage 1 fan blades (4) and the annulus fillers (3) (Ref. AMM TASK 72-31-11-200-010)
(3) Examine the attrition lining (5) for rubs, scores and gouges (Ref. AMM TASK 72-32-85-200-010).
Subtask 72-31-00-942-052-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the workmat.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the workmat.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).