Refurbishment of the Ceiling Panel, Cover Light Panel, Lower Sidewall Panel and Passenger-Service-Channel Panel
TASK 25-20-00-370-002-A
Refurbishment of the Ceiling Panel, Cover Light Panel, Lower Sidewall Panel and Passenger-Service-Channel Panel
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 25-20-00-861-053-A 4. Procedure
Subtask 25-20-00-862-053-A
[Rev.10 from 2021]
2026.03.31 23:29:47 UTC
Refurbishment of the Ceiling Panel, Cover Light Panel, Lower Sidewall Panel and Passenger-Service-Channel Panel
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 | AR | CLOTH-EMERY (GRADE 320 - 400) |
| No specific | AR | GAGE-THICKNESS, PAINT BORER 518 |
| No specific | AR | GUN - AIR SPRAY, STANDARD PAINT |
| No specific | AR | HOT AIR BLOWER MAX OPERATING 370 DEG C (700 DEG F) |
| No specific | AR | PAINTBRUSH |
| No specific | AR | ROLLER - RUBBER, SOFT |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.04JMD9) | Top Coat Polyurethane-- Decorative Furnishing |
| (Material No.05JBB9) | Contact Adhesive-Rubber & Plastic Bonding Nitrile base - |
| (Material No.05LCA1) | Adhesive-Vapor Seal Fuel Tank - - |
| (Material No.05VKC6) | Adhesive Deco. Film-Decorative Foil Without Adhesive Furnishing |
| (Material No.08BBD1) | Non Aqueous Cleaner-- Isopropyl Alcohol - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 21-24-19-000-001-A | Removal of the Individual Air Outlet |
| TASK 21-24-19-400-001-A | Installation of the Individual Air Outlet |
| TASK 23-36-22-000-001-A | Removal of the LH Hatrack-Mounted Display-Units (HMDU) |
| TASK 23-36-22-000-002-A | Removal of the RH Hatrack Mounted Display-Units (HMDU) |
| TASK 23-36-22-400-001-A | Installation of the LH Hatrack Mounted Display-Units (HMDU) |
| TASK 23-36-22-400-002-A | Installation of the RH Hatrack Mounted Display-Units (HMDU) |
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 25-23-41-000-001-A | Removal of the Ceiling Panels |
| TASK 25-23-41-400-001-A | Installation of the Ceiling Panels |
| TASK 25-23-42-000-001-A | Removal of the Ceiling Panels - Forward Utility Area |
| TASK 25-23-42-000-002-A | Removal of the Ceiling Panels - Aft Utility Area |
| TASK 25-23-42-400-001-A | Installation of the Ceiling Panels - Forward Utility Area |
| TASK 25-23-42-400-002-A | Installation of the Ceiling Panels - Aft Utility Area |
| TASK 25-23-44-000-001-A | Removal of the Lower Sidewall Panels (Dado Panels) |
| TASK 25-23-44-400-001-A | Installation of the Lower Sidewall Panels (Dado Panels) |
| TASK 25-23-48-000-001-A | Removal of the Cove Light Panel |
| TASK 25-23-48-400-001-A | Installation of the Cove Light Panel |
| TASK 25-25-11-000-001-A | Removal of the Filler Panels |
| TASK 25-25-11-400-001-A | Installation of the Filler Panels |
| TASK 35-21-41-000-001-A | Removal of the Emergency Oxygen Containers |
| TASK 35-21-41-400-001-A | Installation of the Emergency Oxygen Containers |
Subtask 25-20-00-861-053-A 4. Procedure
CAUTION:
MAKE A RECORD OF THE REFURBISHMENT OF EACH COMPONENT TO MAKE SURE THAT THIS DATA IS AVAILABLE FOR SUBSEQUENT REFURBISHMENTS. IF THIS DATA IS MISSING, IT IS POSSIBLE THAT THE SUBSEQUENT REFURBISHMENT WILL NOT AGREE WITH THE FLAMMABILITY REQUIREMENTS.
Subtask 25-20-00-370-055-B A. Painting of a Ceiling Panel
(1) Remove the ceiling panel as necessary (Ref. AMM TASK 25-23-41-000-001), (Ref. AMM TASK 25-23-42-000-001) or (Ref. AMM TASK 25-23-42-000-002).
(2) Do a visual inspection of the ceiling panel. Obey the MAINTENANCE HISTORY DATA, if available.
(5) Carefully sand the surfaces with the CLOTH-EMERY (GRADE 320 - 400).
(6) Clean the surfaces with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(7) Apply a layer of minimum 15 micrometers of Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) with a maximum of 25 micrometers to the surface with the GUN - AIR SPRAY, STANDARD PAINT or PAINTBRUSH.
Subtask 25-20-00-370-056-B (1) Remove the ceiling panel as necessary (Ref. AMM TASK 25-23-41-000-001), (Ref. AMM TASK 25-23-42-000-001) or (Ref. AMM TASK 25-23-42-000-002).
(2) Do a visual inspection of the ceiling panel. Obey the MAINTENANCE HISTORY DATA, if available.
CAUTION:
MEASURE THE THICKNESS OF THE PAINT ON THE SURFACES OF THE COMPONENT BEFORE YOU PAINT THEM AGAIN. PAINT THAT IS TOO THICK INCREASES THE WEIGHT AND THE FLAMMABILITY PROPERTIES OF THE AIRCRAFT.
(3) Measure the paint layer thickness with the GAGE-THICKNESS, PAINT BORER 518 and do check if the maximum paint layer thickness is 90 micrometers.CAUTION:
DO NOT CAUSE DAMAGE TO THE SURFACE OF THE COMPOSITE MATERIAL WHEN YOU REMOVE THE PAINT COATING WITH ABRASIVE PAPER.
(4) If the paint layer thickness is more than 90 micrometers, carefully remove the unwanted paint with the CLOTH-EMERY (GRADE 320 - 400). Make sure that the maximum paint layer thickness is 90 micrometers.(5) Carefully sand the surfaces with the CLOTH-EMERY (GRADE 320 - 400).
(6) Clean the surfaces with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(7) Apply a layer of minimum 15 micrometers of Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) with a maximum of 25 micrometers to the surface with the GUN - AIR SPRAY, STANDARD PAINT or PAINTBRUSH.
NOTE: The paint layer thickness must be between 50 and 90 micrometers.
NOTE: For A318/A319/A320/A321, only these top coats are permitted: ALEXIT FST 404-12, ALEXIT FST 346-55, FRS40 and FR2/55.
(8) Let the paint dry at a temperature of 23 +2 deg.C or -2 deg.C (73.40 +3.60 deg.F or -3.60 deg.F) and a relative humidity of 45-55% for:- 5-30 minutes if it must be dry against dust
- 5-8 hours if it must be dry for transport
- 12 hours if it must be dry for installation.
B. Painting of a Cove Light Panel
(1) Remove the cove light panel as necessary (Ref. AMM TASK 25-23-48-000-001).
(2) Do a visual inspection of the cove light panel. Obey the MAINTENANCE HISTORY DATA, if available.
(5) Carefully sand the surfaces with the CLOTH-EMERY (GRADE 320 - 400).
(6) Clean the surfaces with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(7) Apply a layer of minimum 15 micrometers of Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) with a maximum of 25 micrometers to the surface with the GUN - AIR SPRAY, STANDARD PAINT or PAINTBRUSH.
Subtask 25-20-00-370-057-B (1) Remove the cove light panel as necessary (Ref. AMM TASK 25-23-48-000-001).
(2) Do a visual inspection of the cove light panel. Obey the MAINTENANCE HISTORY DATA, if available.
CAUTION:
MEASURE THE THICKNESS OF THE PAINT ON THE SURFACES OF THE COMPONENT BEFORE YOU PAINT THEM AGAIN. PAINT THAT IS TOO THICK INCREASES THE WEIGHT AND THE FLAMMABILITY PROPERTIES OF THE AIRCRAFT.
(3) If the paint layer is applied, measure the paint layer thickness with the GAGE-THICKNESS, PAINT BORER 518 and do a check if the maximum paint layer thickness is 90 micrometers.CAUTION:
DO NOT CAUSE DAMAGE TO THE SURFACE OF THE COMPOSITE MATERIAL WHEN YOU REMOVE THE PAINT COATING WITH ABRASIVE PAPER.
(4) If the paint layer thickness is more than 90 micrometers, carefully remove the unwanted paint with the CLOTH-EMERY (GRADE 320 - 400). Make sure that the maximum paint layer thickness is 90 micrometers.(5) Carefully sand the surfaces with the CLOTH-EMERY (GRADE 320 - 400).
(6) Clean the surfaces with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(7) Apply a layer of minimum 15 micrometers of Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) with a maximum of 25 micrometers to the surface with the GUN - AIR SPRAY, STANDARD PAINT or PAINTBRUSH.
NOTE: The paint layer thickness must be between 50 and 90 micrometers.
NOTE: For A318/A319/A320/A321, only these top coats are permitted: ALEXIT FST 404-12, ALEXIT FST 346-55, FRS40 and FR2/55.
(8) Let the paint dry at a temperature of 23 +2 deg.C or -2 deg.C (73.40 +3.60 deg.F or -3.60 deg.F) and a relative humidity of 45-55% for:- 5-30 minutes if it must be dry against dust
- 5-8 hours if it must be dry for transport
- 12 hours if it must be dry for installation.
C. Refurbishment of the Lower Sidewall Panel (Dado Panel)
(a) Remove the lower sidewall panel as necessary (Ref. AMM TASK 25-23-44-000-001).
(b) Do a visual inspection of the lower sidewall panel. Obey the MAINTENANCE HISTORY DATA, if available.
(d) Carefully sand the surface with the CLOTH-EMERY (GRADE 320 - 400).
(e) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(f) Apply a layer of minimum 15 micrometers of Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) with a maximum of 25 micrometers to the surface with the GUN - AIR SPRAY, STANDARD PAINT or PAINTBRUSH.
(2) Refurbishment of the Lower Sidewall Panel (Dado Panel) with Foil
(a) Remove the lower sidewall panel as necessary (Ref. AMM TASK 25-23-44-000-001).
(b) Do a visual inspection of the lower sidewall panel. Obey the MAINTENANCE HISTORY DATA, if available.
(c) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(d) Increase the temperature at the edge of the decor foil with an adjustable the HOT AIR BLOWER MAX OPERATING 370 DEG C (700 DEG F) to a maximum temperature of 100 deg.C (212.00 deg.F).
(e) Lift the edge of the decor foil.
(f) Pull the decor foil from the component in approximately 150 mm (5.9055 in.) wide strips while you apply hot air with the maximum temperature of 100 deg.C (212.00 deg.F).
(g) Remove the unwanted adhesive with the CLOTH-EMERY (GRADE 320 - 400).
(h) Clean the repair area with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(i) Apply Contact Adhesive-Rubber & Plastic Bonding Nitrile base - (Material No.05JBB9) or Adhesive-Vapor Seal Fuel Tank - - (Material No.05LCA1) to the repair area.
(j) Install the decorative foil Adhesive Deco. Film-Decorative Foil Without Adhesive Furnishing (Material No.05VKC6) :
1 Cut the new decorative foil to the correct dimension.
2 Remove the protective layer from the decorative foil.
3 Carefully put the decorative foil on the repair area.
4 Use the ROLLER - RUBBER, SOFT to push the decorative foil onto the repair area.
(k) Install the lower sidewall panel (Ref. AMM TASK 25-23-44-400-001).
Subtask 25-20-00-370-065-B NOTE: The refurbishment of the lower sidewall panels can only be performed with the initially applied top coat. It is only approved to:
(1) Refurbishment of the Lower Sidewall Panel (Dado Panel) with Paint.- Replace decor foil with decor foil,
or - Replace the paint top coat with paint top coat.
(a) Remove the lower sidewall panel as necessary (Ref. AMM TASK 25-23-44-000-001).
(b) Do a visual inspection of the lower sidewall panel. Obey the MAINTENANCE HISTORY DATA, if available.
CAUTION:
DO NOT CAUSE DAMAGE TO THE SURFACE OF THE COMPOSITE MATERIAL WHEN YOU REMOVE THE PAINT COATING WITH ABRASIVE PAPER.
(c) Carefully remove all of the paint with the CLOTH-EMERY (GRADE 320 - 400).(d) Carefully sand the surface with the CLOTH-EMERY (GRADE 320 - 400).
(e) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(f) Apply a layer of minimum 15 micrometers of Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) with a maximum of 25 micrometers to the surface with the GUN - AIR SPRAY, STANDARD PAINT or PAINTBRUSH.
NOTE: The paint layer thickness must be between 50 and 90 micrometers.
NOTE: For A318/A319/A320/A321, only these top coats are permitted: ALEXIT FST 404-12, ALEXIT FST 346-55, FRS40 and FR2/55.
(g) Let the paint layer dry at a temperature of 23 +2 deg.C or -2 deg.C (73.40 +3.60 deg.F or -3.60 deg.F) and a relative humidity of 45-55% for:- 5-30 minutes if it must be dry against dust
- 5-8 hours if it must be dry for transport
- 12 hours if it must be dry for installation.
(2) Refurbishment of the Lower Sidewall Panel (Dado Panel) with Foil
(a) Remove the lower sidewall panel as necessary (Ref. AMM TASK 25-23-44-000-001).
(b) Do a visual inspection of the lower sidewall panel. Obey the MAINTENANCE HISTORY DATA, if available.
(c) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(d) Increase the temperature at the edge of the decor foil with an adjustable the HOT AIR BLOWER MAX OPERATING 370 DEG C (700 DEG F) to a maximum temperature of 100 deg.C (212.00 deg.F).
(e) Lift the edge of the decor foil.
(f) Pull the decor foil from the component in approximately 150 mm (5.9055 in.) wide strips while you apply hot air with the maximum temperature of 100 deg.C (212.00 deg.F).
(g) Remove the unwanted adhesive with the CLOTH-EMERY (GRADE 320 - 400).
(h) Clean the repair area with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(i) Apply Contact Adhesive-Rubber & Plastic Bonding Nitrile base - (Material No.05JBB9) or Adhesive-Vapor Seal Fuel Tank - - (Material No.05LCA1) to the repair area.
(j) Install the decorative foil Adhesive Deco. Film-Decorative Foil Without Adhesive Furnishing (Material No.05VKC6) :
1 Cut the new decorative foil to the correct dimension.
2 Remove the protective layer from the decorative foil.
3 Carefully put the decorative foil on the repair area.
4 Use the ROLLER - RUBBER, SOFT to push the decorative foil onto the repair area.
(k) Install the lower sidewall panel (Ref. AMM TASK 25-23-44-400-001).
D. Painting of a Passenger Service-Channel Panel
(1) As necessary, remove the related service channel panel:
(5) Carefully sand the surface with the CLOTH-EMERY (GRADE 320 - 400).
(6) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(7) Apply a layer of minimum 15 micrometers of Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) with a maximum of 25 micrometers to the panel surface with the GUN - AIR SPRAY, STANDARD PAINT or PAINTBRUSH .
5. Close-up(1) As necessary, remove the related service channel panel:
- The emergency oxygen container (Ref. AMM TASK 35-21-41-000-001)
- The filler panel or the passenger service unit (Ref. AMM TASK 25-25-11-000-001)
- The air outlet panel (Ref. AMM TASK 21-24-19-000-001)
- The hatrack-mounted display-unit (Ref. AMM TASK 23-36-22-000-001) or (Ref. AMM TASK 23-36-22-000-002).
- The medical outlet unit.
CAUTION:
MEASURE THE THICKNESS OF THE PAINT ON THE SURFACES OF THE COMPONENT BEFORE YOU PAINT THEM AGAIN. PAINT THAT IS TOO THICK INCREASES THE WEIGHT AND THE FLAMMABILITY PROPERTIES OF THE AIRCRAFT.
(3) If the paint layer is applied, measure the paint layer thickness with the GAGE-THICKNESS, PAINT BORER 518 and do a check if the maximum paint layer thickness is 25 micrometers.CAUTION:
DO NOT CAUSE DAMAGE TO THE SURFACE OF THE COMPOSITE MATERIAL WHEN YOU REMOVE THE PAINT COATING WITH ABRASIVE PAPER.
(4) If the paint layer thickness is more than 25 micrometers, carefully remove the unwanted paint with the CLOTH-EMERY (GRADE 320 - 400) until the layer thickness is not more than 25 micrometers.(5) Carefully sand the surface with the CLOTH-EMERY (GRADE 320 - 400).
(6) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and Textile-Lint free Cotton - (Material No.14SBA1) .
(7) Apply a layer of minimum 15 micrometers of Top Coat Polyurethane-- Decorative Furnishing (Material No.04JMD9) with a maximum of 25 micrometers to the panel surface with the GUN - AIR SPRAY, STANDARD PAINT or PAINTBRUSH .
NOTE: The thickness of paint layer must be between 50 and 90 micrometers.
NOTE: For A318/A319/A320/A321, only these top coats are permitted: ALEXIT FST 404-12, ALEXIT FST 346-55, FRS40 and FR2/55.
(8) Let the paint dry at a temperature of 23 +2 deg.C or -2 deg.C (73.40 +3.60 deg.F or -3.60 deg.F) and a relative humidity of 45-55% for:- 5-30 minutes if it must be dry against dust
- 5-8 hours if it must be dry for transport
- 12 hours if it must be dry for installation.
- The medical outlet unit
- The hatrack-mounted display-unit (Ref. AMM TASK 23-36-22-400-001) or (Ref. AMM TASK 23-36-22-400-002)
- The air outlet panel (Ref. AMM TASK 21-24-19-400-001)
- The filler panel or the passenger service unit (Ref. AMM TASK 25-25-11-400-001)
- The emergency oxygen container (Ref. AMM TASK 35-21-41-400-001).
Subtask 25-20-00-862-053-A