Detailed Inspection of Fan Blades Leading Edge for Erosion [IAE]
TASK 72-31-11-200-013-B
Detailed Inspection of Fan Blades Leading Edge for Erosion
1. Reason for the Job
Refer to the MPD TASK: 723100-I4
DETAILED INSPECTION OF FAN BLADES LEADING EDGE FOR EROSION
This TASK is for V2500-A5 engines
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 72-31-11-941-086-A ** ON A/C NOT FOR ALL
Subtask 72-31-11-210-093-A ** ON A/C NOT FOR ALL
Subtask 72-31-11-942-083-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 13:00:59 UTC
Detailed Inspection of Fan Blades Leading Edge for Erosion
1. Reason for the Job
Refer to the MPD TASK: 723100-I4
DETAILED INSPECTION OF FAN BLADES LEADING EDGE FOR EROSION
This TASK is for V2500-A5 engines
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 - WORK |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 72-31-11-300-021-B | Repair Leading Edge Erosion on the LP Compressor Rotor Blades by Material Removal - VRS1065 |
Subtask 72-31-11-941-086-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 support equipment in position.
(a) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position to give access to the engine for the inspection task.
(b) Put the MAT - WORK in position in the fan case.
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 support equipment in position.
(a) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position to give access to the engine for the inspection task.
(b) Put the MAT - WORK in position in the fan case.
NOTE: Make sure that the red warning pennants of the workmat can be seen external of the aircraft. Make sure the workmat has sufficient dimensions to give full protection to the lower half of the fan case surface.
Subtask 72-31-11-210-093-A ** ON A/C NOT FOR ALL
A. Examine the Fan Blade Leading Edge
(1) Examine the area Ar and At of the fan blades for erosion.
(a) Leading edge condition
1 If the surface texture is smoother than V05-021 240 GRIT Glasspaper, accept them.
2 If the surface texture is rougher than V05-021 240 GRIT Glasspaper, repair them (Ref. AMM TASK 72-31-11-300-021).
1 If the profile is rounded as shown in typical leading edge profile, accept them.
2 If the profile is blunt or square as shown in typical leading edge profile, repair them (Ref. AMM TASK 72-31-11-300-021).
5. Close-up(1) Examine the area Ar and At of the fan blades for erosion.
(a) Leading edge condition
1 If the surface texture is smoother than V05-021 240 GRIT Glasspaper, accept them.
2 If the surface texture is rougher than V05-021 240 GRIT Glasspaper, repair them (Ref. AMM TASK 72-31-11-300-021).
NOTE: If the repair applies to fan blades inspected earlier than required as per MPD Task 723100-I4, the repair can be done any time within the remaining cycles of the MPD Task 723100-I4 interval.
(b) Leading edge profile 1 If the profile is rounded as shown in typical leading edge profile, accept them.
2 If the profile is blunt or square as shown in typical leading edge profile, repair them (Ref. AMM TASK 72-31-11-300-021).
Subtask 72-31-11-942-083-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).
Fan Blades Leading Edge