DOC AIRBUS | AMM A320FAircraft Cleaning after Leakage of an Aggressive Media in the Cargo Compartments
TASK 51-78-00-615-802-A
Aircraft Cleaning after Leakage of an Aggressive Media in the Cargo Compartments
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 51-78-00-010-058-A
Subtask 51-78-00-160-053-A
Subtask 51-78-00-410-058-A
[Rev.10 from 2021]
2026.04.01 01:35:05 UTC
Aircraft Cleaning after Leakage of an Aggressive Media in the Cargo Compartments
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 | 1 | BRUSH - NON METALLIC |
| No specific | 1 | BRUSH - WASHING |
| No specific | 1 | CONTAINER 100 L(25 USGAL) |
| No specific | 1 | HOT AIR BLOWER OPERATING 40 DEG C(104 F) |
| No specific | 2 | LIGHT SOURCE - SPARK-PROOF |
| No specific | 1 | SCRAPER - NON METALLIC |
| No specific | 1 | VACUUM EQUIPMENT 0 TO 0.4 BAR (6 PSI) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.06AEA1) | Polysulfide Sealant-Low Adhesion Brushable - |
| (Material No.08ABC1) | Aqueous Cleaner-Aircraft Exterior Pressure Spraying - |
| (Material No.12ABE2) | Corrosion Preventive Compound-Water Displacing Oily Film System |
| (Material No.12AGC2) | Corrosion Preventive Compound-- Soft Film System |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-52-26-000-001-A | Removal of the Power Drive Unit |
| TASK 25-52-26-400-001-A | Installation of the Power Drive Unit |
| TASK 25-53-00-000-001-A | Removal of Drainage - Forward or Aft Cargo Compartments |
| TASK 25-53-00-400-001-A | Installation of Drainage - Forward or Aft Cargo Compartments |
| TASK 25-54-12-000-003-A | Removal of the Sidewall Panels in the Forward Cargo Compartment |
| TASK 25-54-12-400-003-A | Installation of the Sidewall Panels in the Forward Cargo Compartment |
| TASK 25-55-11-000-003-A | Removal of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
| TASK 25-55-11-400-003-A | Installation of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
| TASK 25-55-12-000-003-A | Removal of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65 |
| TASK 25-55-12-400-003-A | Installation of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65 |
| TASK 51-74-11-300-001-A | Repair of Corroded Areas |
| TASK 51-75-12-300-003-A | Repair of Minor Paint Damage (Topcoat Only) |
| TASK 51-75-13-916-001-A | Repair to a layer of Moisture-Removing Oil |
| TASK 51-75-13-916-002-A | Repair to a layer of Corrosion Preventive Compound |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-002-A | Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-006-A | Open the Bulk Cargo-Compartment Door |
| TASK 52-30-00-860-008-A | Close the Bulk Cargo-Compartment Door |
| TASK 53-00-00-210-001-A | Remove and Detailed Inspection of Piston Type Drain Valves in Lower Fuselage Shell |
| TASK 53-22-14-000-001-A | Removal of the Forward Cargo-Compartment Floor-Panels |
| TASK 53-22-14-400-001-A | Installation of the Forward Cargo-Compartment Floor-Panels |
| TASK 53-22-14-400-001-A-01 | Installation of the Forward Cargo-Compartment Floor-Panels (Alternative Installation Procedure with the Skyflex Option) |
| TASK 53-42-14-000-001-A | Removal of the Aft Cargo-Compartment Floor-Panels Zone 150 |
| TASK 53-42-14-400-001-A | Installation of the Aft Cargo-Compartment Floor-Panels Zone 150 |
| TASK 53-42-14-400-001-A-01 | Installation of the Aft Cargo-Compartment Floor-Panels (Alternative Installation Procedure with the Skyflex Option) |
| TASK 53-42-17-000-001-A | Removal of the Bulk Cargo-Compartment Floor-Panels |
| TASK 53-42-17-400-001-A | Installation of the Bulk Cargo-Compartment Floor-Panels |
| TASK 53-42-17-400-001-A-01 | Installation of the Bulk Cargo-Compartment Floor-Panels (Alternative Installation Procedure with the Skyflex Option) |
Subtask 51-78-00-010-058-A
A. Get Access to the Area of the Leakage
(1) If the leakage is in the forward cargo compartment:
(a) Get access to the forward cargo compartment (Ref. AMM TASK 52-30-00-860-001).
(b) If necessary, remove the applicable floor panels of the forward cargo compartment (Ref. AMM TASK 53-22-14-000-001).
(c) If necessary, remove the applicable ball mats of the forward cargo compartment (Ref. AMM D/O 25-51-22-00).
(d) If necessary, remove the applicable sidewall panels of the forward cargo compartment (Ref. AMM TASK 25-54-12-000-003).
(2) If the leakage is in the aft cargo compartment:
(a) Get access to the aft cargo compartment (Ref. AMM TASK 52-30-00-860-001).
(b) If necessary, remove the applicable floor panels of the aft cargo compartment (Ref. AMM TASK 53-42-14-000-001).
(c) If necessary, remove the applicable ball mats of the aft cargo compartment (Ref. AMM D/O 25-52-22-00).
(d) If necessary, remove the applicable sidewall panels of the aft cargo compartment (Ref. AMM TASK 25-55-11-000-003).
(3) If the leakage is in the bulk cargo compartment:
(a) Open the bulk cargo-compartment door (Ref. AMM TASK 52-30-00-860-006).
(b) If necessary, remove the applicable floor panels of the bulk cargo compartment (Ref. AMM TASK 53-42-17-000-001).
(c) If necessary, remove the applicable sidewall panels of the bulk cargo compartment (Ref. AMM TASK 25-55-12-000-003).
(4) Put a LIGHT SOURCE - SPARK-PROOF in the area where you will remove the leakage.
Subtask 51-78-00-010-059-A (1) If the leakage is in the forward cargo compartment:
(a) Get access to the forward cargo compartment (Ref. AMM TASK 52-30-00-860-001).
(b) If necessary, remove the applicable floor panels of the forward cargo compartment (Ref. AMM TASK 53-22-14-000-001).
(c) If necessary, remove the applicable ball mats of the forward cargo compartment (Ref. AMM D/O 25-51-22-00).
(d) If necessary, remove the applicable sidewall panels of the forward cargo compartment (Ref. AMM TASK 25-54-12-000-003).
(2) If the leakage is in the aft cargo compartment:
(a) Get access to the aft cargo compartment (Ref. AMM TASK 52-30-00-860-001).
(b) If necessary, remove the applicable floor panels of the aft cargo compartment (Ref. AMM TASK 53-42-14-000-001).
(c) If necessary, remove the applicable ball mats of the aft cargo compartment (Ref. AMM D/O 25-52-22-00).
(d) If necessary, remove the applicable sidewall panels of the aft cargo compartment (Ref. AMM TASK 25-55-11-000-003).
(3) If the leakage is in the bulk cargo compartment:
(a) Open the bulk cargo-compartment door (Ref. AMM TASK 52-30-00-860-006).
(b) If necessary, remove the applicable floor panels of the bulk cargo compartment (Ref. AMM TASK 53-42-17-000-001).
(c) If necessary, remove the applicable sidewall panels of the bulk cargo compartment (Ref. AMM TASK 25-55-12-000-003).
(4) Put a LIGHT SOURCE - SPARK-PROOF in the area where you will remove the leakage.
B. Removal and Cleaning of Components
(1) Remove components from the area that you will clean, to prevent contamination from water and/or cleaning agents.
(2) Remove components of the CLS that have contamination and send them to the workshop for cleaning.
4. Procedure(1) Remove components from the area that you will clean, to prevent contamination from water and/or cleaning agents.
(2) Remove components of the CLS that have contamination and send them to the workshop for cleaning.
Subtask 51-78-00-160-053-A
A. Clean the Area
(1) Install the protective covers on all the electrical connections.
(2) Identify the type of the aggressive media and make it chemically neutral.
(4) If installed, remove the PDUs before you start the wet cleaning (Ref. AMM TASK 25-52-26-000-001).
(5) Apply a layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) on the bonding point attachment-holes of the PDUs to prevent corrosion.
(6) Put a CONTAINER 100 L(25 USGAL) in position below the drain mast outlets.
(7) Flush the contaminated area with clean water.
(8) Make a cleaning solution of 0.5% Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) and hot water (max 60 DEG.C (140.00 DEG.F)).
(9) Clean the area that has contamination with the cleaning solution as follows:
(a) The rate of flow of the cleaning solution must not be more than 5 l.min (1.32 USgal.mn).
(b) Clean these areas:
(d) Do not let the cleaning solution or water flow directly on the other components of the CLS.
(e) Clean the outer flanges of the roller tracks with a BRUSH - WASHING.
(f) Make sure that the dirty solution flows freely out of the fuselage drain masts.
(10) Do a check of the forward and aft cargo compartment drain pan and funnel for clogging or contamination. If necessary, clean or replace them (Ref. AMM TASK 25-53-00-000-001) and (Ref. AMM TASK 25-53-00-400-001).
(11) Dry the cleaned area.
(12) Do a check of the drain valves in the bilge area that has contamination and clean them if necessary (Ref. AMM TASK 53-00-00-210-001).
(13) If necessary, repair the corrosion damage (Ref. AMM TASK 51-74-11-300-001).
(14) If necessary, repair the surface finish (Ref. AMM TASK 51-75-12-300-003).
(15) If necessary, apply a layer of Corrosion Preventive Compound-Water Displacing Oily Film System (Material No.12ABE2) to the area (Ref. AMM TASK 51-75-13-916-001).
(16) If necessary, apply a layer of Corrosion Preventive Compound-- Soft Film System (Material No.12AGC2) to the area (Ref. AMM TASK 51-75-13-916-002).
(17) Remove the protective covers from the electrical connections.
(18) Remove the sealant from the bonding point attachment-holes with a SCRAPER - NON METALLIC.
(19) If removed, install the PDUs (Ref. AMM TASK 25-52-26-400-001).
5. Close-up(1) Install the protective covers on all the electrical connections.
(2) Identify the type of the aggressive media and make it chemically neutral.
CAUTION:
DO NOT USE A METAL SCRAPER TO REMOVE THE UNWANTED MATERIAL. A METAL SCRAPER CAN CAUSE DAMAGE TO THE SURFACE OF THE COMPONENT.
(3) Remove loose material with a SCRAPER - NON METALLIC, VACUUM EQUIPMENT 0 TO 0.4 BAR (6 PSI) or a BRUSH - NON METALLIC. (4) If installed, remove the PDUs before you start the wet cleaning (Ref. AMM TASK 25-52-26-000-001).
(5) Apply a layer of Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) on the bonding point attachment-holes of the PDUs to prevent corrosion.
(6) Put a CONTAINER 100 L(25 USGAL) in position below the drain mast outlets.
(7) Flush the contaminated area with clean water.
(8) Make a cleaning solution of 0.5% Aqueous Cleaner-Aircraft Exterior Pressure Spraying - (Material No.08ABC1) and hot water (max 60 DEG.C (140.00 DEG.F)).
(9) Clean the area that has contamination with the cleaning solution as follows:
(a) The rate of flow of the cleaning solution must not be more than 5 l.min (1.32 USgal.mn).
(b) Clean these areas:
- The floor panel area of the applicable cargo compartment
- The ball mat area of the applicable cargo compartment
- The outboard-located rigid corner-sheets and sloping side walls in the applicable cargo compartment.
(d) Do not let the cleaning solution or water flow directly on the other components of the CLS.
(e) Clean the outer flanges of the roller tracks with a BRUSH - WASHING.
(f) Make sure that the dirty solution flows freely out of the fuselage drain masts.
(10) Do a check of the forward and aft cargo compartment drain pan and funnel for clogging or contamination. If necessary, clean or replace them (Ref. AMM TASK 25-53-00-000-001) and (Ref. AMM TASK 25-53-00-400-001).
(11) Dry the cleaned area.
WARNING:
DO NOT USE A HEAT GUN IF THERE ARE FUEL OR FUEL VAPORS AS SHOWN BY A COMBUSTIBLE INDICATOR. HEAT GUNS ARE A SOURCE OF COMBUSTION. FUEL OR FUEL VAPORS CAN CAUSE INJURY OR CAN KILL.
(a) Dry the area with a HOT AIR BLOWER OPERATING 40 DEG C(104 F). (12) Do a check of the drain valves in the bilge area that has contamination and clean them if necessary (Ref. AMM TASK 53-00-00-210-001).
(13) If necessary, repair the corrosion damage (Ref. AMM TASK 51-74-11-300-001).
(14) If necessary, repair the surface finish (Ref. AMM TASK 51-75-12-300-003).
(15) If necessary, apply a layer of Corrosion Preventive Compound-Water Displacing Oily Film System (Material No.12ABE2) to the area (Ref. AMM TASK 51-75-13-916-001).
(16) If necessary, apply a layer of Corrosion Preventive Compound-- Soft Film System (Material No.12AGC2) to the area (Ref. AMM TASK 51-75-13-916-002).
(17) Remove the protective covers from the electrical connections.
(18) Remove the sealant from the bonding point attachment-holes with a SCRAPER - NON METALLIC.
(19) If removed, install the PDUs (Ref. AMM TASK 25-52-26-400-001).
Subtask 51-78-00-410-058-A
A. Close Access
(1) Install the components that were removed for the cleaning task.
(2) Remove the LIGHT SOURCE - SPARK-PROOF.
(3) If the leakage was in the forward cargo compartment:
(a) If removed, install the applicable floor panels in the forward cargo compartment (Ref. AMM TASK 53-22-14-400-001).
(b) If removed, install the applicable ball mats in the forward cargo compartment (Ref. AMM D/O 25-51-22-40).
(c) If removed, install the applicable sidewall panels in the forward cargo compartment (Ref. AMM TASK 25-54-12-400-003).
(d) Close access of the forward cargo compartment (Ref. AMM TASK 52-30-00-860-002).
(4) If the leakage was in the aft cargo compartment:
(a) If removed, install the applicable floor panels in the aft cargo compartment (Ref. AMM TASK 53-42-14-400-001).
(b) If removed, install the applicable ball mats in the aft cargo compartment (Ref. AMM D/O 25-52-22-40).
(c) If removed, install the applicable sidewall panels in the aft cargo compartment (Ref. AMM TASK 25-55-11-400-003).
(d) Close access of the aft cargo compartment (Ref. AMM TASK 52-30-00-860-002).
(5) If the leakage was in the bulk cargo compartment:
(a) If removed, install the applicable floor panels in the bulk cargo compartment (Ref. AMM TASK 53-42-17-400-001).
(b) If removed, install the applicable sidewall panels in the bulk cargo compartment (Ref. AMM TASK 25-55-12-400-003).
(c) Close the bulk cargo-compartment door (Ref. AMM TASK 52-30-00-860-008).
(1) Install the components that were removed for the cleaning task.
(2) Remove the LIGHT SOURCE - SPARK-PROOF.
(3) If the leakage was in the forward cargo compartment:
(a) If removed, install the applicable floor panels in the forward cargo compartment (Ref. AMM TASK 53-22-14-400-001).
(b) If removed, install the applicable ball mats in the forward cargo compartment (Ref. AMM D/O 25-51-22-40).
(c) If removed, install the applicable sidewall panels in the forward cargo compartment (Ref. AMM TASK 25-54-12-400-003).
(d) Close access of the forward cargo compartment (Ref. AMM TASK 52-30-00-860-002).
(4) If the leakage was in the aft cargo compartment:
(a) If removed, install the applicable floor panels in the aft cargo compartment (Ref. AMM TASK 53-42-14-400-001).
(b) If removed, install the applicable ball mats in the aft cargo compartment (Ref. AMM D/O 25-52-22-40).
(c) If removed, install the applicable sidewall panels in the aft cargo compartment (Ref. AMM TASK 25-55-11-400-003).
(d) Close access of the aft cargo compartment (Ref. AMM TASK 52-30-00-860-002).
(5) If the leakage was in the bulk cargo compartment:
(a) If removed, install the applicable floor panels in the bulk cargo compartment (Ref. AMM TASK 53-42-17-400-001).
(b) If removed, install the applicable sidewall panels in the bulk cargo compartment (Ref. AMM TASK 25-55-12-400-003).
(c) Close the bulk cargo-compartment door (Ref. AMM TASK 52-30-00-860-008).