DOC AIRBUS | AMM A320FInspection of the Outer Skin of the Right Fan Cowl [IAE]
TASK 71-13-16-200-010-A
Inspection of the Outer Skin of the Right Fan Cowl
This TASK gives the procedure for the inspection of the outer skin of the right fan cowl.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Referenced Information
3. Job Set-up
Subtask 71-13-16-941-052-A ** ON A/C NOT FOR ALL
Subtask 71-13-16-280-050-A ** ON A/C NOT FOR ALL
Subtask 71-13-16-942-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 08:18:13 UTC
Inspection of the Outer Skin of the Right Fan Cowl
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobThis TASK gives the procedure for the inspection of the outer skin of the right fan cowl.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | WARNING NOTICE(S) |
| IAE1N20444 | 2 | TOOL-TAPPING |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.V01-076) | Methyl Ethyl Ketone, Technical grade |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| REFERENCE | DESIGNATION |
|---|---|
Right Fan CowlSubtask 71-13-16-941-052-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).
Subtask 71-13-16-110-053-A ** ON A/C NOT FOR ALL (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).
B. Clean the Right Fan Cowl
V01-076 Methyl Ethyl Ketone, Technical grade
(2) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) to dry the area before the cleaning fluid dries.
4. ProcedureWARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
(1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with (2) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) to dry the area before the cleaning fluid dries.
Subtask 71-13-16-280-050-A ** ON A/C NOT FOR ALL
A. Make a Check of the Area (forward of the air starter blow out door) for Delamination
(1) Use the IAE1N20444 TOOL-TAPPING off to do a manual sonic test of the areas for possible delamination. Quickly (approximately 4 times a second) and lightly, hit all over the area of possible delamination with the spherical end of the tool. Continue to hit, and move from the area of possible delamination to an area which is known to have no delamination. If there is delamination there will be a change in the sound that the tool makes.
1 No delamination is allowed.
Subtask 71-13-16-280-051-A ** ON A/C NOT FOR ALL (1) Use the IAE1N20444 TOOL-TAPPING off to do a manual sonic test of the areas for possible delamination. Quickly (approximately 4 times a second) and lightly, hit all over the area of possible delamination with the spherical end of the tool. Continue to hit, and move from the area of possible delamination to an area which is known to have no delamination. If there is delamination there will be a change in the sound that the tool makes.
NOTE: Delamination can occur near the edges of the door and near to other damage.
(a) Delamination 1 No delamination is allowed.
B. Make a Check of the Area (at the forward edge of the fan cowl aft of the TAI outlet panel) for Delamination and Disbond.
(1) Use the IAE1N20444 TOOL-TAPPING off to do a manual sonic test of the areas for possible delamination and disbond. Quickly (approximately 4 times a second) and lightly, tap with the spherical end of the tool all over the area of possible delamination. Continue to tap, and move from the area of possible delamination, to an area which is known to have no delamination. If there is delamination, there will be a change in the sound that the tool makes.
1 No delamination is allowed.
5. Close-up(1) Use the IAE1N20444 TOOL-TAPPING off to do a manual sonic test of the areas for possible delamination and disbond. Quickly (approximately 4 times a second) and lightly, tap with the spherical end of the tool all over the area of possible delamination. Continue to tap, and move from the area of possible delamination, to an area which is known to have no delamination. If there is delamination, there will be a change in the sound that the tool makes.
NOTE: Delamination can occur near the edges of the door and near to other damage.
(a) Delamination 1 No delamination is allowed.
Subtask 71-13-16-942-051-A ** ON A/C NOT FOR ALL
A. Remove the WARNING NOTICE(S).