DOC AIRBUS | AMM A320FInstallation of the Upper Sidewall Panel Assy 241LW, (242LW), 241CW, (242CW) and 241FW, (242FW)
TASK 25-23-47-400-002-A
Installation of the Upper Sidewall Panel Assy 241LW, (242LW), 241CW, (242CW) and 241FW, (242FW)
1. Reason for the Job
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 25-23-47-860-075-A ** ON A/C NOT FOR ALL
Subtask 25-23-47-420-051-A ** ON A/C NOT FOR ALL
Subtask 25-23-47-865-053-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:31:38 UTC
Installation of the Upper Sidewall Panel Assy 241LW, (242LW), 241CW, (242CW) and 241FW, (242FW)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | CHAMOIS LEATHER |
| No specific | 1 | GLOVES - COTTON, LINT-FREE, CLEAN |
| No specific | 1 | SPONGE |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08ACA1) | Aqueous Cleaner-Aircraft Interior - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 24-42-00-862-001-A | De-energize the Ground Service Network Supplied from the External Power |
| TASK 25-21-41-400-001-A | Installation of the Passenger Seats |
| TASK 33-51-13-400-001-A | Installation of the Cabin Wall-Mounted Emergency-Exit-Markers |
| TASK 33-51-16-400-001-A | Installation of the Emergency Exit Sign |
| TASK 52-21-11-400-001-A | Installation of the Emergency Exit Hatch |
Upper Sidewall Panel Assy 241CW (242CW) and 241LW (242LW)Subtask 25-23-47-860-075-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the access platform is in position on the related emergency exit hatches.
(2) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(3) Clean the component interfaces and the adjacent area.
(4) Do an inspection of the component interfaces and the adjacent area.
(5) Make sure that the parts retained from the removed component are clean and in the correct condition.
Subtask 25-23-47-865-052-A ** ON A/C NOT FOR ALL (1) Make sure that the access platform is in position on the related emergency exit hatches.
(2) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(3) Clean the component interfaces and the adjacent area.
(4) Do an inspection of the component interfaces and the adjacent area.
(5) Make sure that the parts retained from the removed component are clean and in the correct condition.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 25-23-47-210-057-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | LIGHTING/EMER LT/CABIN | 2WL | H06 |
| 49VU | LIGHTING/EMER LT/CABIN | 1WL | H05 |
| 122VU | LIGHTING/CABIN/EMER/LT | 3WL | V07 |
C. Get Access
(1) Make sure that the switch 4WL on the panel 25VU is in the OFF position.
(2) Make sure that the switch LIGHT EMER on the panel 120RH is in the OFF position.
(3) Make sure that the warning notices are in position on the panels 25VU and 120RH to tell persons not to operate the switches 4WL and LIGHT EMER.
4. Procedure(1) Make sure that the switch 4WL on the panel 25VU is in the OFF position.
(2) Make sure that the switch LIGHT EMER on the panel 120RH is in the OFF position.
(3) Make sure that the warning notices are in position on the panels 25VU and 120RH to tell persons not to operate the switches 4WL and LIGHT EMER.
Subtask 25-23-47-420-051-A ** ON A/C NOT FOR ALL
A. Installation of the Upper Sidewall Panel Assembly 241CW (242CW) and/or 241LW (242LW)
(2) Make sure that the assembly 241CW (242CW) (6) and/or 241LW (242LW) (14) engages correctly.
(3) Put the washers (9) in position and install the screws (10).
(4) Put the washers (5) in position and install the screws (4).
(5) Put the lining strip (13) in position and push it down between the assemblies 241CW (242CW) (6) and 241LW (242LW) (14).
(6) Make sure that the lining strip (13) engages correctly.
(7) Put the lining strip (8) and/or (15) in position on the the lower end of the assembly 241CW (242CW) (6) and/or 241LW (242LW) (14) and the adjacent panel.
(8) Push the lining strip up.
(9) Make sure that the lining strip (8) and/or (15) engages correctly.
(10) Install the cabin wall-mounted emergency-exit-markers (Ref. AMM TASK 33-51-13-400-001).
(11) If necessary, clean the inner window pane (s) (11) and the inboard surface of the outer window pane:
(a) Make sure that the window panes are free from abrasive particles.
(b) Clean the window panes with clean warm water.
(c) Clean the window panes with a weak solution of soap and water. Use a clean SPONGE and /or CHAMOIS LEATHER.
(d) Remove the soap solution with clean warm water.
(e) Dry the components with a clean CHAMOIS LEATHER.
(f) If necessary, remove remaining contamination with Aqueous Cleaner-Aircraft Interior - - (Material No.08ACA1) .
(g) Remove the cleaner with clean water.
(h) Apply anti-static treatment to the window panes.
(i) Let the window panes dry.
(j) Make sure that the window panes are dry and polish them with a Textile-Lint free Cotton - (Material No.14SBA1) .
(12) Do an inspection of the component interfaces and the adjacent area.
(13) Put on GLOVES - COTTON, LINT-FREE, CLEAN before you touch the window panes.
(14) Install the inner window pane (11) and the decor cover (12).
(15) Make sure that the decor cover (12) engages correctly.
(16) Put the supports (3) and the washers (2) in position and install the screws (1).
Subtask 25-23-47-420-051-B ** ON A/C NOT FOR ALL NOTE: The installation procedure for the left and the right upper sidewall panel assembly (referred to as the assembly) is the same.
(1) Put the assembly 241CW (242CW) (6) and/or 241LW (242LW) (14) in position on the brackets (7) and on the yo-yo rollers. Push the assembly down. (2) Make sure that the assembly 241CW (242CW) (6) and/or 241LW (242LW) (14) engages correctly.
(3) Put the washers (9) in position and install the screws (10).
(4) Put the washers (5) in position and install the screws (4).
(5) Put the lining strip (13) in position and push it down between the assemblies 241CW (242CW) (6) and 241LW (242LW) (14).
(6) Make sure that the lining strip (13) engages correctly.
(7) Put the lining strip (8) and/or (15) in position on the the lower end of the assembly 241CW (242CW) (6) and/or 241LW (242LW) (14) and the adjacent panel.
(8) Push the lining strip up.
(9) Make sure that the lining strip (8) and/or (15) engages correctly.
(10) Install the cabin wall-mounted emergency-exit-markers (Ref. AMM TASK 33-51-13-400-001).
(11) If necessary, clean the inner window pane (s) (11) and the inboard surface of the outer window pane:
(a) Make sure that the window panes are free from abrasive particles.
(b) Clean the window panes with clean warm water.
(c) Clean the window panes with a weak solution of soap and water. Use a clean SPONGE and /or CHAMOIS LEATHER.
(d) Remove the soap solution with clean warm water.
(e) Dry the components with a clean CHAMOIS LEATHER.
(f) If necessary, remove remaining contamination with Aqueous Cleaner-Aircraft Interior - - (Material No.08ACA1) .
(g) Remove the cleaner with clean water.
(h) Apply anti-static treatment to the window panes.
(i) Let the window panes dry.
(j) Make sure that the window panes are dry and polish them with a Textile-Lint free Cotton - (Material No.14SBA1) .
(12) Do an inspection of the component interfaces and the adjacent area.
(13) Put on GLOVES - COTTON, LINT-FREE, CLEAN before you touch the window panes.
(14) Install the inner window pane (11) and the decor cover (12).
(15) Make sure that the decor cover (12) engages correctly.
(16) Put the supports (3) and the washers (2) in position and install the screws (1).
A. Installation of the Upper Sidewall Panel Assy 241FW (242FW) (6)
(1) Put the upper sidewall panel assy (6) in position on the brackets (9) and on the yo-yo rolls and push it down.
(2) Make sure that the upper sidewall panel assy (6) engages correctly.
(3) Put the washers (5) in position and install the screws (4).
(4) Put the lining strip(s) (7), (8) in position on the lower end of the sidewall panel assy (6) and the adjacent panel and push it up.
(5) Make sure that the lining strip(s) (7) and (8) engage correctly.
(6) Put the support (3) and the washers (2) in position, install the screws (1).
(7) Install the wall-mounted emergency exit-markers (Ref. AMM TASK 33-51-13-400-001).
5. Close-up(1) Put the upper sidewall panel assy (6) in position on the brackets (9) and on the yo-yo rolls and push it down.
(2) Make sure that the upper sidewall panel assy (6) engages correctly.
(3) Put the washers (5) in position and install the screws (4).
(4) Put the lining strip(s) (7), (8) in position on the lower end of the sidewall panel assy (6) and the adjacent panel and push it up.
(5) Make sure that the lining strip(s) (7) and (8) engage correctly.
(6) Put the support (3) and the washers (2) in position, install the screws (1).
(7) Install the wall-mounted emergency exit-markers (Ref. AMM TASK 33-51-13-400-001).
Subtask 25-23-47-865-053-A ** ON A/C NOT FOR ALL
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 25-23-47-942-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | LIGHTING/EMER LT/CABIN | 2WL | H06 |
| 49VU | LIGHTING/EMER LT/CABIN | 1WL | H05 |
| 122VU | LIGHTING/CABIN/EMER/LT | 3WL | V07 |
B. Remove the warning notices from the panels 25VU and 120RH.
Subtask 25-23-47-410-050-A ** ON A/C NOT FOR ALL C. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the emergency exit sign 42WL (43WL) (Ref. AMM TASK 33-51-16-400-001).
(3) Install the emergency exit hatches (Ref. AMM TASK 52-21-11-400-001).
(4) Install the passenger seat, if removed (Ref. AMM TASK 25-21-41-400-001).
(5) Remove the access platform(s).
Subtask 25-23-47-862-062-A ** 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 emergency exit sign 42WL (43WL) (Ref. AMM TASK 33-51-16-400-001).
(3) Install the emergency exit hatches (Ref. AMM TASK 52-21-11-400-001).
(4) Install the passenger seat, if removed (Ref. AMM TASK 25-21-41-400-001).
(5) Remove the access platform(s).