DOC AIRBUS | AMM A320FRepair of the LP Compressor Annulus Fillers - Repair VRS1816 [IAE]
TASK 72-31-11-300-013-B
Repair of the LP Compressor Annulus Fillers - Repair VRS1816
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 72-31-11-941-060-A ** ON A/C NOT FOR ALL
Subtask 72-31-11-350-060-A ** ON A/C NOT FOR ALL
Subtask 72-31-11-942-058-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:44:54 UTC
Repair of the LP Compressor Annulus Fillers - Repair VRS1816
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 | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | GUN - HOT AIR |
| No specific | AR | MAT - WORK |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.V01-076) | Methyl Ethyl Ketone, 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.V05-020) | waterproof silicon carbide |
| (Material No.V05-021) | Waterproof silicon carbide abrasive paper |
| (Material No.V07-007) | two-pack epoxy finish white and catalyst |
| (Material No.V07-080) | epoxy primer base |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| REFERENCE | DESIGNATION |
|---|---|
LP Compressor Annulus FillersSubtask 72-31-11-941-060-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 ground support equipment in to position.
(a) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in to position to give access to the engine.
(b) Put the MAT - WORK 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) Put the ground support equipment in to position.
(a) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in to position to give access to the engine.
(b) Put the MAT - WORK in the air intake cowl.
NOTE: Make sure that the red warning pennants of the workmat can be seen externally.
NOTE: Make sure that the workmat has sufficient dimensions to give full protection to the lower half of the air intake cowl.
Subtask 72-31-11-350-060-A ** ON A/C NOT FOR ALL
A. Rub down the damaged area with waterproof silicon carbide (Material No.V05-020) or Waterproof silicon carbide abrasive paper (Material No.V05-021) until the surface of the damaged area is made the same as the adjacent surface.
Subtask 72-31-11-110-055-A ** ON A/C NOT FOR ALL B. Clean the Area
(1) Clean the area with a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist withV01-076 Methyl Ethyl Ketone, Technical grade V01-124 Isopropyl Alcohol, Technical grade
Subtask 72-31-11-370-053-A ** ON A/C NOT FOR ALL (1) Clean the area with a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with
C. Apply chromate conversion coating (Material No.V01-275) to the repaired area with a paint brush (Material No.V02-004) until the surface color turns from iridescent gold to a light brown.
Subtask 72-31-11-160-051-A ** ON A/C NOT FOR ALL NOTE: This procedure usually requires between 2 and 7 minutes to do.
D. Clean the repaired area with cold water and a dry air blast.
Subtask 72-31-11-370-056-A ** ON A/C NOT FOR ALL E. Apply Coating
(1) Apply one coat of epoxy primer base (Material No.V07-080) to the repaired area with a paint brush (Material No.V02-004) .
(2) Dry the area for 4 to 16 hours at a minimum temperature of 61 deg F (16 deg C), or heat it for 30 minutes at a temperature of 248 to 266 deg F (120 to 130 deg C) with a hot air gun.
Subtask 72-31-11-370-055-A ** ON A/C NOT FOR ALL (1) Apply one coat of epoxy primer base (Material No.V07-080) to the repaired area with a paint brush (Material No.V02-004) .
(2) Dry the area for 4 to 16 hours at a minimum temperature of 61 deg F (16 deg C), or heat it for 30 minutes at a temperature of 248 to 266 deg F (120 to 130 deg C) with a hot air gun.
F. Apply Coating
(1) Apply one coat of two-pack epoxy finish white and catalyst (Material No.V07-007) to the repaired area with a paint brush (Material No.V02-004) .
(2) Dry the prepared area for a minimum time of one hour at a minimum temperature of 61 deg F (16 deg C).
(3) Apply another coat of two-pack epoxy finish white and catalyst (Material No.V07-007) to the repaired area, if it is necessary.
(4) Dry the prepared area for a minimum time of 4 hours at a minimum temperature of 61 deg F (16 deg C), or heat it at a temperature of 248 to 266 deg F (120 to 130 deg C) with a GUN - HOT AIR.
Subtask 72-31-11-210-057-A ** ON A/C NOT FOR ALL (1) Apply one coat of two-pack epoxy finish white and catalyst (Material No.V07-007) to the repaired area with a paint brush (Material No.V02-004) .
(2) Dry the prepared area for a minimum time of one hour at a minimum temperature of 61 deg F (16 deg C).
(3) Apply another coat of two-pack epoxy finish white and catalyst (Material No.V07-007) to the repaired area, if it is necessary.
(4) Dry the prepared area for a minimum time of 4 hours at a minimum temperature of 61 deg F (16 deg C), or heat it at a temperature of 248 to 266 deg F (120 to 130 deg C) with a GUN - HOT AIR.
G. Examine the layer of two-pack epoxy finish white and catalyst (Material No.V07-007) on the annulus filler.
The layer must not have any flakes.
5. Close-upThe layer must not have any flakes.
Subtask 72-31-11-942-058-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 from the air intake cowl.
(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 from the air intake cowl.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).