DOC AIRBUS | AMM A320FRepair of the LP Compressor Blades and Fillers - VRS1058 [IAE]
TASK 72-31-11-300-023-A
Repair of the LP Compressor Blades and Fillers - VRS1058
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Referenced Information
3. Job Set-up
Subtask 72-31-11-941-083-A ** ON A/C NOT FOR ALL
Subtask 72-31-11-020-065-B ** ON A/C NOT FOR ALL Subtask 72-31-11-350-083-A ** ON A/C NOT FOR ALL
Subtask 72-31-11-942-080-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:45:01 UTC
Repair of the LP Compressor Blades and Fillers - VRS1058
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
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 |
|---|---|
| (Material No.V01-031) | Acetone, Technical grade |
| (Material No.V01-124) | Isopropyl Alcohol, Technical grade |
| (Material No.V01-275) | chromate conversion coating |
| (Material No.V02-004) | paint brush |
| (Material No.V02-018) | brush |
| (Material No.V02-099) | lint free cloth |
| (Material No.V05-020) | waterproof silicon carbide |
| (Material No.V10-005) | high load dry lubricant |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 72-31-11-000-010-B | Removal of the LP Compressor Fan Blades |
| TASK 72-31-11-200-010-B | Inspection of the Low Pressure (LP) Compressor Fan Blades |
| TASK 72-31-11-400-010-C | Installation of the LP Compressor Fan Blades |
LP Compressor Annulus Fillers - Touched Up AreasSubtask 72-31-11-941-083-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) Install the support equipment
(a) Put the ACCESS PLATFORM 1M(3 FT) in to position to give access to the engine for repair.
(b) Put the MAT - WORK in to position in the air 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) Install the support equipment
(a) Put the ACCESS PLATFORM 1M(3 FT) in to position to give access to the engine for repair.
(b) Put the MAT - WORK in to position in the air intake cowl.
NOTE: Make sure that the red warning pennants of the workmat can be seen external of the aircraft.
NOTE: Make sure the workmat has sufficient dimensions to give full protection to the lower half of the intake cowl surface.
Subtask 72-31-11-020-065-B ** ON A/C NOT FOR ALL Subtask 72-31-11-350-083-A ** ON A/C NOT FOR ALL
B. Remove and roughness from missing dry film lubricant areas. Use waterproof silicon carbide (Material No.V05-020) .
Subtask 72-31-11-110-088-A ** ON A/C NOT FOR ALL C. Clean the area with lint free cloth (Material No.V02-099) made moist with V01-031 Acetone, Technical grade V01-124 Isopropyl Alcohol, Technical grade
Subtask 72-31-11-370-063-A ** ON A/C NOT FOR ALL D. Apply chromate conversion coating (Material No.V01-275) to the repaired area with paint brush (Material No.V02-004) until the surface color turns from iridescent gold to light brown.
Subtask 72-31-11-110-089-A ** ON A/C NOT FOR ALL NOTE: This procedure usually requires between two and seven minutes to do.
E. Clean the area with lint free cloth (Material No.V02-099) made moist with V01-031 Acetone, Technical grade V01-124 Isopropyl Alcohol, Technical grade
Subtask 72-31-11-370-064-A ** ON A/C NOT FOR ALL F. Apply the dry film lubricant to the repaired area of Annulus Filler.
(1) Touch up high load dry lubricant (Material No.V10-005) to the missing coat area with brush (Material No.V02-018) .
(2) Cure the dry film lubricant. Air dry at room temperature for minimum one hour.
Subtask 72-31-11-210-090-B ** ON A/C NOT FOR ALL (1) Touch up high load dry lubricant (Material No.V10-005) to the missing coat area with brush (Material No.V02-018) .
(2) Cure the dry film lubricant. Air dry at room temperature for minimum one hour.
G. Do a visual check of the dry film lubricant to the repaired area of Annulus Filler (Ref. AMM TASK 72-31-11-200-010).
(1) The layer must be smooth and bonded correctly to the surface of the part.
(2) The layer must not have any cracks or flakes.
Subtask 72-31-11-420-118-B ** ON A/C NOT FOR ALL 5. Close-up(1) The layer must be smooth and bonded correctly to the surface of the part.
(2) The layer must not have any cracks or flakes.
Subtask 72-31-11-942-080-A ** ON A/C NOT FOR ALL
A. Remove the ground support equipment
(1) Remove the workmat from the air intake cowl.
(2) Remove the access platform.
(3) Remove the warning notices.
(1) Remove the workmat from the air intake cowl.
(2) Remove the access platform.
(3) Remove the warning notices.