DOC AIRBUS | AMM A320FReplacement of the Lower Trailing Edge Access Panel Seals
TASK 57-51-37-960-001-A
Replacement of the Lower Trailing Edge Access Panel Seals
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 57-51-37-941-051-A
Subtask 57-51-37-960-051-A
Subtask 57-51-37-410-051-A
[Rev.10 from 2021]
2026.04.01 02:15:34 UTC
Replacement of the Lower Trailing Edge Access Panel Seals
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
1. Reason for the Job- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE |
| No specific | AR | WARNING NOTICE(S) |
| No specific | Torque wrench: range to between 0.13 and 0.11 m.daN (11.50 and 9.73 lbf.in )  | |
| No specific | Torque wrench: range to between 0.15 and 0.11 m.daN (13.27 and 9.73 lbf.in ) | |
| 98D27803500001 | 1 | LOCKING TOOL ZERO POS |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.06ABA1) | Polysulfide Sealant-Fuel Tank Brushable - |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 573AB, 573BB, 573CB, 573FB, 575AB, 575BB, 575CB, 575DB, 575EB, 575FB, 575GB, 575HB, 575KB, 575LB, 575MB, 673AB, 673BB, 673CB, 673FB, 675AB, 675BB, 675CB, 675DB, 675EB, 675FB, 675GB, 675HB, 675KB, 675LB, 675MB |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 3 | SEAL | AIPC 57-51-37-03-050 |
| 3 | SEAL | AIPC 57-51-37-03-060 |
| 3 | SEAL | AIPC 57-51-37-04-050 |
| 3 | SEAL | AIPC 57-51-37-04-060 |
| 3 | SEAL | AIPC 57-51-37-05-050 |
| 3 | SEAL | AIPC 57-51-37-05-060 |
| 3 | SEAL | AIPC 57-51-37-06-090 |
| 3 | SEAL | AIPC 57-51-37-06-100 |
| 3 | SEAL | AIPC 57-51-37-07-070 |
| 3 | SEAL | AIPC 57-51-37-07-080 |
| 3 | SEAL | AIPC 57-51-37-08-060 |
| 3 | SEAL | AIPC 57-51-37-08-070 |
| 3 | SEAL | AIPC 57-51-37-09-070 |
| 3 | SEAL | AIPC 57-51-37-09-080 |
| 3 | SEAL | AIPC 57-51-37-10-070 |
| 3 | SEAL | AIPC 57-51-37-10-080 |
| 3 | SEAL | AIPC 57-51-37-11-070 |
| 3 | SEAL | AIPC 57-51-37-11-080 |
| 3 | SEAL | AIPC 57-51-37-12-050 |
| 3 | SEAL | AIPC 57-51-37-12-060 |
| 3 | SEAL | AIPC 57-51-37-13-070 |
| 3 | SEAL | AIPC 57-51-37-13-080 |
| 3 | SEAL | AIPC 57-51-37-16-050 |
| 3 | SEAL | AIPC 57-51-37-16-060 |
| 19 | SEAL | AIPC 57-51-37-19-060 |
| 19 | SEAL | AIPC 57-51-37-19-070 |
| 19 | SEAL | AIPC 57-51-37-20-050 |
| 19 | SEAL | AIPC 57-51-37-20-060 |
| 19 | SEAL | AIPC 57-51-37-21-050 |
| 19 | SEAL | AIPC 57-51-37-21-060 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-00-00-080-002-A | Removal of the Flap/Slat Control-Lever Locking Tool (98D27803000000) |
| TASK 27-00-00-480-002-A | Installation of the Flap/Slat Control-Lever Locking Tool (98D27803000000) |
| TASK 27-50-00-866-009-A | Retraction of the Flaps on the Ground |
| TASK 27-50-00-866-009-A-01 | Retraction of the Flaps/Slats on the Ground |
| TASK 57-51-37-000-002-A | Removal of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB) |
| TASK 57-51-37-000-003-A | Removal of the Access Panel |
| TASK 57-51-37-000-004-A | Removal of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB) |
| TASK 57-51-37-000-005-A | Removal of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB) |
| TASK 57-51-37-400-002-A | Installation of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB) |
| TASK 57-51-37-400-003-A | Installation of the Access Panel |
| TASK 57-51-37-400-004-A | Installation of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB) |
| TASK 57-51-37-400-005-A | Installation of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB) |
Lower Trailing Edge Panel Seals Inboard of Rib 22 - Typical InstallationSubtask 57-51-37-941-051-A
A. Safety Precautions
(1) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps/slats.
(2) Make sure that the flaps/slats are fully retracted (Ref. AMM TASK 27-50-00-866-009).
(3) Put the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever (Ref. AMM TASK 27-00-00-480-002).
Subtask 57-51-37-010-051-A (1) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps/slats.
(2) Make sure that the flaps/slats are fully retracted (Ref. AMM TASK 27-50-00-866-009).
(3) Put the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever (Ref. AMM TASK 27-00-00-480-002).
B. Get Access
(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position below the applicable zone 573(673) or 575(675).
(2) Remove the applicable access panel (Ref. AMM TASK 57-51-37-000-002), (Ref. AMM TASK 57-51-37-000-003), (Ref. AMM TASK 57-51-37-000-004), (Ref. AMM TASK 57-51-37-000-005).
4. Procedure(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position below the applicable zone 573(673) or 575(675).
(2) Remove the applicable access panel (Ref. AMM TASK 57-51-37-000-002), (Ref. AMM TASK 57-51-37-000-003), (Ref. AMM TASK 57-51-37-000-004), (Ref. AMM TASK 57-51-37-000-005).
Subtask 57-51-37-960-051-A
A. Replacement of the seal on the access panels inboard of STA11664/RIB 22
(1) To remove the seal (3), do the steps that follow:
(a) Remove the nuts (1), the washers (2) and the bolts (4).
(c) Remove the support channel (5) from the seal (3).
(d) Discard the seal (3).
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the component interface and/or the adjacent area.
(4) Get a new seal for the applicable panel:
(a) FOR 573AB AIPC 57-51-37-03-050 SEAL (3).
(b) FOR 673AB AIPC 57-51-37-03-060 SEAL (3).
(c) FOR 573BB AIPC 57-51-37-04-050 SEAL (3).
(d) FOR 673BB AIPC 57-51-37-04-060 SEAL (3).
(e) FOR 573CB AIPC 57-51-37-05-050 SEAL (3).
(f) FOR 673CB AIPC 57-51-37-05-060 SEAL (3).
(g) FOR 573FB AIPC 57-51-37-16-050 SEAL (3).
(h) FOR 673FB AIPC 57-51-37-16-060 SEAL (3).
(i) FOR 575AB AIPC 57-51-37-06-090 SEAL (3).
(j) FOR 675AB AIPC 57-51-37-06-100 SEAL (3).
(k) FOR 575BB AIPC 57-51-37-07-070 SEAL (3).
(l) FOR 675BB AIPC 57-51-37-07-080 SEAL (3).
(m) FOR 575CB AIPC 57-51-37-08-060 SEAL (3).
(n) FOR 675CB AIPC 57-51-37-08-070 SEAL (3).
(o) FOR 575DB AIPC 57-51-37-09-070 SEAL (3).
(p) FOR 675DB AIPC 57-51-37-09-080 SEAL (3).
(q) FOR 575EB AIPC 57-51-37-10-070 SEAL (3).
(r) FOR 675EB AIPC 57-51-37-10-080 SEAL (3).
(s) FOR 575FB AIPC 57-51-37-11-070 SEAL (3).
(t) FOR 675FB AIPC 57-51-37-11-080 SEAL (3).
(u) FOR 575GB AIPC 57-51-37-12-050 SEAL (3).
(v) FOR 675GB AIPC 57-51-37-12-060 SEAL (3).
(w) FOR 575HB AIPC 57-51-37-13-070 SEAL (3).
(x) FOR 675HB AIPC 57-51-37-13-080 SEAL (3).
(5) Put the support channel (5) in position in the new seal (3). Make sure that the holes in the support channel (5) are in-line with the smaller attachment holes in the seal (3).
(6) Apply Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) to the shank and below the heads of the bolts (4).
(7) Install the bolts (4) through:
(9) TORQUE the nuts (1) to between 0.15 and 0.11 m.daN (13.27 and 9.73 lbf.in ).
Subtask 57-51-37-960-052-A (1) To remove the seal (3), do the steps that follow:
(a) Remove the nuts (1), the washers (2) and the bolts (4).
NOTE: The bolts can be removed through the larger access holes in the seal (3).
(b) Remove the seal (3) from the panel (6). (c) Remove the support channel (5) from the seal (3).
(d) Discard the seal (3).
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the component interface and/or the adjacent area.
(4) Get a new seal for the applicable panel:
(a) FOR 573AB AIPC 57-51-37-03-050 SEAL (3).
(b) FOR 673AB AIPC 57-51-37-03-060 SEAL (3).
(c) FOR 573BB AIPC 57-51-37-04-050 SEAL (3).
(d) FOR 673BB AIPC 57-51-37-04-060 SEAL (3).
(e) FOR 573CB AIPC 57-51-37-05-050 SEAL (3).
(f) FOR 673CB AIPC 57-51-37-05-060 SEAL (3).
(g) FOR 573FB AIPC 57-51-37-16-050 SEAL (3).
(h) FOR 673FB AIPC 57-51-37-16-060 SEAL (3).
(i) FOR 575AB AIPC 57-51-37-06-090 SEAL (3).
(j) FOR 675AB AIPC 57-51-37-06-100 SEAL (3).
(k) FOR 575BB AIPC 57-51-37-07-070 SEAL (3).
(l) FOR 675BB AIPC 57-51-37-07-080 SEAL (3).
(m) FOR 575CB AIPC 57-51-37-08-060 SEAL (3).
(n) FOR 675CB AIPC 57-51-37-08-070 SEAL (3).
(o) FOR 575DB AIPC 57-51-37-09-070 SEAL (3).
(p) FOR 675DB AIPC 57-51-37-09-080 SEAL (3).
(q) FOR 575EB AIPC 57-51-37-10-070 SEAL (3).
(r) FOR 675EB AIPC 57-51-37-10-080 SEAL (3).
(s) FOR 575FB AIPC 57-51-37-11-070 SEAL (3).
(t) FOR 675FB AIPC 57-51-37-11-080 SEAL (3).
(u) FOR 575GB AIPC 57-51-37-12-050 SEAL (3).
(v) FOR 675GB AIPC 57-51-37-12-060 SEAL (3).
(w) FOR 575HB AIPC 57-51-37-13-070 SEAL (3).
(x) FOR 675HB AIPC 57-51-37-13-080 SEAL (3).
(5) Put the support channel (5) in position in the new seal (3). Make sure that the holes in the support channel (5) are in-line with the smaller attachment holes in the seal (3).
(6) Apply Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) to the shank and below the heads of the bolts (4).
(7) Install the bolts (4) through:
- the larger access holes in the seal (3)
- the support channel (5)
- the attachment holes in the seal (3)
- the panel (6).
(9) TORQUE the nuts (1) to between 0.15 and 0.11 m.daN (13.27 and 9.73 lbf.in )
. NOTE: To prevent possible damage of the seal (3), do not tighten the nuts (1) more than the specified torque value.
B. Replacement of the Seal on the Access Panels Outboard of STA11664/RIB 22
(1) To remove the seal (19), do the steps that follow:
(a) Remove the bolts (17).
(b) Remove the support channel (16) from the seal (19) and remove the seal from the access panel (18).
(c) Discard the seal (19).
(2) Make sure that the parts retained from the removed components are clean and in the correct condition.
(3) Use Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the component interface and/or the adjacent area.
(4) Get a new seal for the applicable panel:
(a) FOR 575KB AIPC 57-51-37-19-060 SEAL (19).
(b) FOR 675KB AIPC 57-51-37-19-070 SEAL (19).
(c) FOR 575LB AIPC 57-51-37-20-050 SEAL (19).
(d) FOR 675LB AIPC 57-51-37-20-060 SEAL (19).
(e) FOR 575MB AIPC 57-51-37-21-050 SEAL (19).
(f) FOR 675MB AIPC 57-51-37-21-060 SEAL (19).
(5) Apply Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) to the shank and below the heads of the bolts (17).
(a) When you install the support channel (16), make sure that the edge with kinks is in the direction of the new seal (19).
(8) Make sure that the width of the seal (19) (dimension X) is 18 mm (0.7087 in.) + 0.0 mm (0.0000 in.) - 2.0 mm (0.0787 in.) along the length of the access panel (18).
(9) TORQUE tighten the bolts (17) to between 0.13 and 0.11 m.daN (11.50 and 9.73 lbf.in ).
5. Close-up(1) To remove the seal (19), do the steps that follow:
(a) Remove the bolts (17).
(b) Remove the support channel (16) from the seal (19) and remove the seal from the access panel (18).
(c) Discard the seal (19).
(2) Make sure that the parts retained from the removed components are clean and in the correct condition.
(3) Use Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the component interface and/or the adjacent area.
(4) Get a new seal for the applicable panel:
(a) FOR 575KB AIPC 57-51-37-19-060 SEAL (19).
(b) FOR 675KB AIPC 57-51-37-19-070 SEAL (19).
(c) FOR 575LB AIPC 57-51-37-20-050 SEAL (19).
(d) FOR 675LB AIPC 57-51-37-20-060 SEAL (19).
(e) FOR 575MB AIPC 57-51-37-21-050 SEAL (19).
(f) FOR 675MB AIPC 57-51-37-21-060 SEAL (19).
(5) Apply Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) to the shank and below the heads of the bolts (17).
CAUTION:
MAKE SURE THAT THE SEAL IS INSTALLED IN THE CORRECT POSITION. INCORRECT INSTALLATION OF THE SEAL CAN CAUSE DAMAGE TO THE AILERON.
(6) Put the new seal (19) and the support channel (16) in position on the access panel (18). (a) When you install the support channel (16), make sure that the edge with kinks is in the direction of the new seal (19).
NOTE: There will be a clamping effect after you install the access panel.
(7) Install the bolts (17) through the access panel (18) and the seal (19) into the anchor nuts on the support channel (16). Do not tighten the bolts (17). (8) Make sure that the width of the seal (19) (dimension X) is 18 mm (0.7087 in.) + 0.0 mm (0.0000 in.) - 2.0 mm (0.0787 in.) along the length of the access panel (18).
(9) TORQUE tighten the bolts (17) to between 0.13 and 0.11 m.daN (11.50 and 9.73 lbf.in )
. NOTE: To prevent possible damage of the seal (19), do not tighten the bolts (17) more than the specified torque value.
Subtask 57-51-37-410-051-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable access panel (Ref. AMM TASK 57-51-37-400-002), (Ref. AMM TASK 57-51-37-400-003), (Ref. AMM TASK 57-51-37-400-004), (Ref. AMM TASK 57-51-37-400-005).
Subtask 57-51-37-942-051-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable access panel (Ref. AMM TASK 57-51-37-400-002), (Ref. AMM TASK 57-51-37-400-003), (Ref. AMM TASK 57-51-37-400-004), (Ref. AMM TASK 57-51-37-400-005).
B. Removal of Equipment
(1) Remove the access platform(s).
(2) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION (Ref. AMM TASK 27-00-00-080-002) from the flap/slat control lever.
(3) Remove the warning notices.
(1) Remove the access platform(s).
(2) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION (Ref. AMM TASK 27-00-00-080-002) from the flap/slat control lever.
(3) Remove the warning notices.