DOC AIRBUS | AMM A320FDetailed Dimensional Check of the Joints that Attach the Flap to the Flap Carriage (Tracks 3 and 4)
TASK 57-53-00-220-023-A
Detailed Dimensional Check of the Joints that Attach the Flap to the Flap Carriage (Tracks 3 and 4)
Because the free movement of the outboard flap is more than that in TASK 27-54-00-200-003-A.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 57-53-00-941-097-A
Subtask 57-53-00-410-092-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 07:01:24 UTC
Detailed Dimensional Check of the Joints that Attach the Flap to the Flap Carriage (Tracks 3 and 4)
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
CAUTION:
BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
1. Reason for the Job- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
- MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
Because the free movement of the outboard flap is more than that in TASK 27-54-00-200-003-A.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 2M (6 FT) |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-54-62-000-001-A | Removal of the Outboard Flap |
| TASK 27-54-62-000-002-A | Removal of the Outboard Double-Slotted Flap |
| TASK 27-54-62-400-001-A | Installation of the Outboard Flap |
| TASK 27-54-62-400-002-A | Installation of the Outboard Double-Slotted Flap |
Outboard Flap - Fits and Clearances (Tracks 3 and 4)Subtask 57-53-00-941-097-A
A. Safety Precautions
(1) Put a WARNING NOTICE(S) on the flap/slat control lever (panel 114VU) to tell persons not to operate the flaps.
(2) Put the SAFETY BARRIER(S) in position.
Subtask 57-53-00-010-093-A ** ON A/C NOT FOR ALL (1) Put a WARNING NOTICE(S) on the flap/slat control lever (panel 114VU) to tell persons not to operate the flaps.
(2) Put the SAFETY BARRIER(S) in position.
B. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) below the applicable zone 575 or 675.
(2) Remove the outboard flap. (Ref. AMM TASK 27-54-62-000-001)
Subtask 57-53-00-010-093-B ** ON A/C NOT FOR ALL (1) Put the ACCESS PLATFORM 2M (6 FT) below the applicable zone 575 or 675.
(2) Remove the outboard flap. (Ref. AMM TASK 27-54-62-000-001)
B. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) below the applicable zone 575 or 675.
(2) Remove the outboard flap. (Ref. AMM TASK 27-54-62-000-002)
4. Procedure(1) Put the ACCESS PLATFORM 2M (6 FT) below the applicable zone 575 or 675.
(2) Remove the outboard flap. (Ref. AMM TASK 27-54-62-000-002)
CAUTION:
BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
Subtask 57-53-00-220-066-A ** ON A/C NOT FOR ALL - DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
- MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
A. Dimensions of the Joint that Connects the Flap to the Carriage (Tracks 3 and 4).
(1) Do a check of the dimensions that follow:
Subtask 57-53-00-220-067-A ** ON A/C NOT FOR ALL (1) Do a check of the dimensions that follow:
| FIG. DETAIL AND ITEM N° | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | |||||
|---|---|---|---|---|---|---|---|
| A | 31.975 | 31.991 | | | 31.945 | | |
| OD 3 | (1.2589) | (1.2595) | | | (1.2577) | | |
| | | | 0.0090 | 0.0500 | | | 0.1100 |
| | | | (0.0004) | (0.0020) | | | (0.0043) |
| A | 32.000 | 32.025 | | | | 32.055 | |
| ID 2 | (1.2598) | (1.2608) | | | | (1.2620) | |
B. Dimensions of the Joint that Connects the Flap to the Carriage (Tracks 3 and 4).
(1) Do a check of the dimensions that follow:
Subtask 57-53-00-220-068-A ** ON A/C NOT FOR ALL (1) Do a check of the dimensions that follow:
| FIG. DETAIL AND ITEM N° | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | |||||
|---|---|---|---|---|---|---|---|
| A | 39.975 | 39.991 | | | 39.945 | | |
| OD 2 | (1.5738) | (1.5744) | | | (1.5726) | | |
| | | | 0.0090 | 0.0500 | | | 0.1100 |
| | | | (0.0004) | (0.0020) | | | (0.0043) |
| A | 40.000 | 40.025 | | | | 40.055 | |
| ID 1 | (1.5748) | (1.5758) | | | | (1.5770) | |
C. Dimensions of the Joint that Connects the Flap to the Carriage (Tracks 3 and 4).
(1) Do a check of the dimensions that follow:
Subtask 57-53-00-220-066-B ** ON A/C NOT FOR ALL (1) Do a check of the dimensions that follow:
| FIG. DETAIL AND ITEM N° | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | |||||
|---|---|---|---|---|---|---|---|
| A | 31.975 | 31.991 | | | 31.950 | | |
| OD 3 | (1.2589) | (1.2595) | | | (1.2579) | | |
| | | | 0.0090 | 0.0410 | | | 0.0910 |
| | | | (0.0004) | (0.0016) | | | (0.0036) |
| A | 32.000 | 32.016 | | | | 32.041 | |
| ID 4 | (1.2598) | (1.2605) | | | | (1.2615) | |
D. Dimensions of the Joint that Connects the Flap to the Carriage (Track 3).
(1) Do a check of the dimensions that follow:
Subtask 57-53-00-220-067-B ** ON A/C NOT FOR ALL (1) Do a check of the dimensions that follow:
| FIG. DETAIL AND ITEM N° | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | |||||
|---|---|---|---|---|---|---|---|
| A | 41.975 | 41.991 | | | 41.945 | | |
| OD 17 | (1.6526) | (1.6532) | | | (1.6514) | | |
| | | | 0.0090 | 0.0500 | | | 0.1100 |
| | | | (0.0004) | (0.0020) | | | (0.0043) |
| A | 42.000 | 42.025 | | | | 42.055 | |
| ID 15 | (1.6535) | (1.6545) | | | | (1.6557) | |
E. Dimensions of the Joint that Connects the Flap to the Carriage (Track 3).
(1) Do a check of the dimensions that follow:
Subtask 57-53-00-220-068-B ** ON A/C NOT FOR ALL (1) Do a check of the dimensions that follow:
| FIG. DETAIL AND ITEM N° | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | |||||
|---|---|---|---|---|---|---|---|
| A | 51.971 | 51.990 | | | 51.936 | | |
| OD 15 | (2.0461) | (2.0469) | | | (2.0447) | | |
| | | | 0.0100 | 0.0590 | | | 0.1290 |
| | | | (0.0004) | (0.0023) | | | (0.0051) |
| A | 52.000 | 52.030 | | | | 52.065 | |
| ID 14 | (2.0472) | (2.0484) | | | | (2.0498) | |
F. Dimensions of the Joint that Connects the Flap to the Carriage (Track 3).
(1) Do a check of the dimensions that follow:
Subtask 57-53-00-220-069-A ** ON A/C NOT FOR ALL (1) Do a check of the dimensions that follow:
| FIG. DETAIL AND ITEM N° | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | |||||
|---|---|---|---|---|---|---|---|
| A | 41.975 | 41.991 | | | 41.950 | | |
| OD 17 | (1.6526) | (1.6532) | | | (1.6516) | | |
| | | | 0.0090 | 0.0410 | | | 0.0910 |
| | | | (0.0004) | (0.0016) | | | (0.0036) |
| A | 42.000 | 42.016 | | | | 42.041 | |
| ID 16 | (1.6535) | (1.6542) | | | | (1.6552) | |
G. Dimensions of the Joint that Connects the Flap to the Carriage (Track 4).
(1) Do a check of the dimensions that follow:
Subtask 57-53-00-220-070-A ** ON A/C NOT FOR ALL (1) Do a check of the dimensions that follow:
| FIG. DETAIL AND ITEM N° | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | |||||
|---|---|---|---|---|---|---|---|
| B | 31.975 | 31.991 | | | 31.945 | | |
| OD 21 | (1.2589) | (1.2595) | | | (1.2577) | | |
| | | | 0.0090 | 0.0500 | | | 0.1100 |
| | | | (0.0004) | (0.0020) | | | (0.0043) |
| B | 32.000 | 32.025 | | | | 32.055 | |
| ID 19 | (1.2598) | (1.2608) | | | | (1.2620) | |
H. Dimensions of the Joint that Connects the Flap to the Carriage (Track 4).
(1) Do a check of the dimensions that follow:
Subtask 57-53-00-220-071-A ** ON A/C NOT FOR ALL (1) Do a check of the dimensions that follow:
| FIG. DETAIL AND ITEM N° | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | |||||
|---|---|---|---|---|---|---|---|
| B | 39.975 | 39.991 | | | 39.945 | | |
| OD 19 | (1.5738) | (1.5744) | | | (1.5726) | | |
| | | | 0.0090 | 0.0500 | | | 0.1100 |
| | | | (0.0004) | (0.0020) | | | (0.0043) |
| B | 40.000 | 40.025 | | | | 40.055 | |
| ID 18 | (1.5748) | (1.5758) | | | | (1.5770) | |
I. Dimensions of the Joint that Connects the Flap to the Carriage (Track 4).
(1) Do a check of the dimensions that follow:
5. Close-up(1) Do a check of the dimensions that follow:
| FIG. DETAIL AND ITEM N° | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | |||||
|---|---|---|---|---|---|---|---|
| B | 31.975 | 31.991 | | | 31.950 | | |
| OD 21 | (1.2589) | (1.2595) | | | (1.2579) | | |
| | | | 0.0090 | 0.0410 | | | 0.0910 |
| | | | (0.0004) | (0.0016) | | | (0.0036) |
| B | 32.000 | 32.016 | | | | 32.041 | |
| ID 20 | (1.2598) | (1.2605) | | | | (1.2615) | |
Subtask 57-53-00-410-092-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) Install the outboard flap (Ref. AMM TASK 27-54-62-400-001).
Subtask 57-53-00-410-092-B ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the outboard flap (Ref. AMM TASK 27-54-62-400-001).
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the outboard flap (Ref. AMM TASK 27-54-62-400-002).
Subtask 57-53-00-942-093-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the outboard flap (Ref. AMM TASK 27-54-62-400-002).
B. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.