DOC AIRBUS | AMM A320FApplication of the Corrosion Preventive Filling-Compound in the Seat Track Crowns in the Wet Areas of the Passenger Compartment
TASK 51-75-13-916-004-A
Application of the Corrosion Preventive Filling-Compound in the Seat Track Crowns in the Wet Areas of the Passenger Compartment
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 51-75-13-010-050-A
Subtask 51-75-13-916-050-A
(1) Increase the temperature of the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) to between 75 DEG.C (167 DEG.F) and 93 DEG.C (199.4 DEG.F). Do this with one of the tools that follow:
(2) Make sure that the alternative tool increases the temperature of the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) safely to the necessary temperature range.
(3) Carefully fill the seat track crown (2) with the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) (refer to STEP 1).
(4) Make sure that the tool that you use safely fills the space of the seat track crown with the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1).
(5) Make sure that all the upper surface of the seat track crown (2) has an overflow layer of the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1).
(6) After approximately two to three minutes, remove the unwanted Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) with the SCRAPER - NON METALLIC.
(8) Remove the PAPER - MASKING and Adhesive Film Tape-Masking - - (Material No.05RDA1) (13).
5. Close-up
Subtask 51-75-13-410-050-A
[Rev.10 from 2021]
2026.04.01 01:34:39 UTC
Application of the Corrosion Preventive Filling-Compound in the Seat Track Crowns in the Wet Areas of the Passenger Compartment
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 200
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | PAPER - MASKING |
| No specific | AR | PLUG - BLANKING |
| No specific | 1 | SCRAPER - NON METALLIC |
| CPA01 | AR | COSMOLINE APPLICATOR |
| CPA01-00-01-00 | AR | COSPOTT CP-A01 |
| CPA01-00-02-00 | AR | COSPOTT CP-A01 |
| MC1816 | AR | DEV-APPL,COSMOLINE |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.05RDA1) | Adhesive Film Tape-Masking - - |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.12AHA1) | Corrosion Preventive Compound-Gap Filler - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 200 | UPPER HALF FUSELAGE |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-21-41-000-001-A | Removal of the Passenger Seats |
| TASK 25-21-41-400-001-A | Installation of the Passenger Seats |
| TASK 25-28-41-000-001-A | Removal of the Textile Floor Covering |
| TASK 25-28-41-400-001-A | Installation of the Textile Floor Covering |
| TASK 25-28-42-000-001-A | Removal of the Non-Textile Floor Covering (NTF) |
| TASK 25-28-42-400-001-A | Installation of the Non-Textile Floor Covering (NTF) |
| TASK 25-28-43-000-001-A | Removal of the Moisture Barrier Foil (MYLAR) |
| TASK 25-28-43-400-001-A | Installation of the Moisture Barrier Foil (MYLAR) |
| TASK 25-30-00-00 | BUFFET AND GALLEY - DESCRIPTION AND OPERATION |
| TASK 25-40-00-00 | LAVATORIES - DESCRIPTION AND OPERATION |
Removal of the Corrosion Protective CompoundSubtask 51-75-13-010-050-A
A. Get Access
(1) Get access to the subsequent wet areas of the passenger compartment:
(b) Remove the passenger seats as necessary (Ref. AMM TASK 25-21-41-000-001).
(2) If necessary, remove the textile floor covering (Ref. AMM TASK 25-28-41-000-001).
(3) If necessary, remove the non-textile floor covering (Ref. AMM TASK 25-28-42-000-001).
(4) If necessary, remove the moisture barrier foil (Ref. AMM TASK 25-28-43-000-001).
Subtask 51-75-13-860-050-A (1) Get access to the subsequent wet areas of the passenger compartment:
- Two frames forward and aft of the passenger/crew door entrance-areas
- The galley areas, and one frame forward and aft of these areas
- The lavatory areas, and one frame forward and aft of these areas.
NOTE: The cabin utility and passenger/crew door entrance areas usually have a non-textile floor covering. These areas are specified as wet areas as they frequently become wet.
(a) Remove the galleys and the lavatories as necessary. To do this, refer to paragraph Component Location in the applicable ATA 25 Description/Operation:- For the galleys (Ref. AMM D/O 25-30-00-00)
- For the lavatories (Ref. AMM D/O 25-40-00-00).
(b) Remove the passenger seats as necessary (Ref. AMM TASK 25-21-41-000-001).
(2) If necessary, remove the textile floor covering (Ref. AMM TASK 25-28-41-000-001).
(3) If necessary, remove the non-textile floor covering (Ref. AMM TASK 25-28-42-000-001).
(4) If necessary, remove the moisture barrier foil (Ref. AMM TASK 25-28-43-000-001).
B. Preparation before Application of the Corrosion Preventive Compound
(1) Apply the PAPER - MASKING and Adhesive Film Tape-Masking - - (Material No.05RDA1) (13) to the equipment installed adjacent to the wet areas.
(2) If necessary, remove the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) from the seat track crown (2) with the SCRAPER - NON METALLIC.
(3) Clean the seat track crown (2) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Install the PLUG - BLANKING at the ends of the seat track crown (2).
(5) Make sure that the PLUG - BLANKING are installed at each end of the seat track crown (2) in the wet areas.
(6) Make sure that the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) does not come out of the wet areas.
(7) Make sure that you obey the manufacturer's instructions when you use the corrosion application tools.
4. Procedure(1) Apply the PAPER - MASKING and Adhesive Film Tape-Masking - - (Material No.05RDA1) (13) to the equipment installed adjacent to the wet areas.
(2) If necessary, remove the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) from the seat track crown (2) with the SCRAPER - NON METALLIC.
(3) Clean the seat track crown (2) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Install the PLUG - BLANKING at the ends of the seat track crown (2).
(5) Make sure that the PLUG - BLANKING are installed at each end of the seat track crown (2) in the wet areas.
(6) Make sure that the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) does not come out of the wet areas.
(7) Make sure that you obey the manufacturer's instructions when you use the corrosion application tools.
Subtask 51-75-13-916-050-A
WARNING:
WHEN YOU DO THIS WORK, ALWAYS PUT ON PROTECTIVE GLOVES, GOGGLES AND PROTECTIVE CLOTHING TO PREVENT INJURY.
A. Application of the Corrosion Preventive Compound(1) Increase the temperature of the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) to between 75 DEG.C (167 DEG.F) and 93 DEG.C (199.4 DEG.F). Do this with one of the tools that follow:
- The CPA01 COSMOLINE APPLICATOR (12)
- The CPA01-00-01-00 COSPOTT CP-A01 (14)
- The CPA01-00-02-00 COSPOTT CP-A01 (14)
- The MC1816 DEV-APPL,COSMOLINE
- An alternative tool.
(2) Make sure that the alternative tool increases the temperature of the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) safely to the necessary temperature range.
(3) Carefully fill the seat track crown (2) with the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) (refer to STEP 1).
(4) Make sure that the tool that you use safely fills the space of the seat track crown with the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1).
(5) Make sure that all the upper surface of the seat track crown (2) has an overflow layer of the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1).
(6) After approximately two to three minutes, remove the unwanted Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) with the SCRAPER - NON METALLIC.
NOTE: To give good protection from corrosion, it is important to:
(7) Make sure that all the seat track crown (2) is filled with the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) and that there is a thin layer of it on the top of the seat track crown (2) (refer to STEP 2).- Keep a thin layer of the Corrosion Preventive Compound-Gap Filler - - (Material No.12AHA1) (1) on the top of the seat track crown (2).
- Not clean the top of the seat track crown (2).
(8) Remove the PAPER - MASKING and Adhesive Film Tape-Masking - - (Material No.05RDA1) (13).
Subtask 51-75-13-410-050-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(3) If necessary, install the moisture barrier foil (Ref. AMM TASK 25-28-43-400-001).
(4) If necessary, install the non-textile floor covering (Ref. AMM TASK 25-28-42-400-001).
(5) If necessary, install the textile floor covering (Ref. AMM TASK 25-28-41-400-001).
(6) Install the galleys and the lavatories as necessary. To do this, refer to paragraph Component Location in the applicable ATA 25 Description/Operation:
(7) Install the passenger seats as necessary (Ref. AMM TASK 25-21-41-400-001).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(3) If necessary, install the moisture barrier foil (Ref. AMM TASK 25-28-43-400-001).
(4) If necessary, install the non-textile floor covering (Ref. AMM TASK 25-28-42-400-001).
(5) If necessary, install the textile floor covering (Ref. AMM TASK 25-28-41-400-001).
(6) Install the galleys and the lavatories as necessary. To do this, refer to paragraph Component Location in the applicable ATA 25 Description/Operation:
- For the galleys (Ref. AMM D/O 25-30-00-00)
- For the lavatories (Ref. AMM D/O 25-40-00-00).
(7) Install the passenger seats as necessary (Ref. AMM TASK 25-21-41-400-001).