DOC AIRBUS | AMM A320FRepair of the Flanges of the Cargo-Compartment Decompression Panels
TASK 25-50-00-340-002-A
Repair of the Flanges of the Cargo-Compartment Decompression Panels
Refer to the AMM task 25-50-00-200-024
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 25-50-00-861-053-A Subtask 25-50-00-010-097-A
Subtask 25-50-00-350-051-B
Subtask 25-50-00-420-062-A
[Rev.10 from 2021]
2026.03.31 23:37:13 UTC
Repair of the Flanges of the Cargo-Compartment Decompression Panels
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobRefer to the AMM task 25-50-00-200-024
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| No specific | 1 | CLOTH - ABRASIVE (GRADE 120-180) |
| No specific | 1 | CLOTH-EMERY (GRADE 80 - 120) |
| No specific | 1 | CUTTER - THIN BLADE |
| No specific | 1 | PLATE - PRESSURE |
| No specific | 1 | VACUUM EQUIPMENT 0 TO 1 BAR (15 PSI) |
| No specific | 2 | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.05EML7) | Epoxy Adhesive-- - Legacy 3 |
| (Material No.05TAB1) | Adhesive Tape-- Glass Cloth - |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.08BBD1) | Non Aqueous Cleaner-- Isopropyl Alcohol - |
| (Material No.13AEC1) | Dry glass fabric-8H Satin 293 gsm - 181 style SRM Type 2 - |
| (Material No.14JAB1) | Sealing Profile-- Silicone Foam - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| No specific | BONDING AND ADHESIVE COMPOUNDS (DAN 1199-01) |
| No specific | FOAM TAPE (ABS 5006 4B/4D) |
| No specific | FOAM TAPE (ABS 5006 6A) |
| No specific | H-PROFILE |
| No specific | TAPE (DAN 328-H12) |
| No specific | prefabricated molding block |
| No specific | waxed paper |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 130 | FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX |
| 150 | AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT |
| 160 | BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT |
| 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 25-54-11-000-001-A | Removal of the Forward Cargo-Compartment Partition FR24A |
| TASK 25-54-11-400-001-A | Installation of the Forward Cargo-Compartment Partition FR24A |
| TASK 25-54-12-000-002-A | Removal of the Ceiling Panels in the Forward Cargo Compartment |
| TASK 25-54-12-400-002-A | Installation of the Ceiling Panels in the Forward Cargo Compartment |
| TASK 25-55-12-000-002-A | Removal of the Ceiling Panels in the Aft Cargo Compartment at FR59/FR65 |
| TASK 25-55-12-400-002-A | Installation of the Ceiling Panels in the Aft Cargo Compartment at FR59/FR65 |
| TASK 25-68-41-960-001-A | Replacement of the Decompression Panels |
| 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 |
Decompression PanelSubtask 25-50-00-861-053-A Subtask 25-50-00-010-097-A
B. Get Access
(1) Open the applicable cargo compartment door (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the opening of the forward/aft cargo-compartment door.
(3) Set the light switch to on.
(4) Put the WARNING NOTICE(S) on the control panel of the forward/aft cargo loading system to tell persons not to use it.
Subtask 25-50-00-020-061-A (1) Open the applicable cargo compartment door (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the opening of the forward/aft cargo-compartment door.
(3) Set the light switch to on.
(4) Put the WARNING NOTICE(S) on the control panel of the forward/aft cargo loading system to tell persons not to use it.
C. Removal of the Damaged Panels
(1) Remove the forward cargo-compartment partition at FR24A (Ref. AMM TASK 25-54-11-000-001).
(2) Remove the ceiling panels in the forward cargo compartment (Ref. AMM TASK 25-54-12-000-002).
(3) Remove the ceiling panels in the aft cargo compartment (Ref. AMM TASK 25-55-12-000-002).
(4) Remove the decompression panels (Ref. AMM TASK 25-68-41-960-001).
4. Procedure(1) Remove the forward cargo-compartment partition at FR24A (Ref. AMM TASK 25-54-11-000-001).
(2) Remove the ceiling panels in the forward cargo compartment (Ref. AMM TASK 25-54-12-000-002).
(3) Remove the ceiling panels in the aft cargo compartment (Ref. AMM TASK 25-55-12-000-002).
(4) Remove the decompression panels (Ref. AMM TASK 25-68-41-960-001).
Subtask 25-50-00-350-051-B
A. Repair of the Flanges of the Decompression Panels
(1) Repair Solution 1 - Repair of the Flange with Glasscloth
(a) Remove the sealing tape Sealing Profile-- Silicone Foam - (Material No.14JAB1) from the rear side of the flange that is damaged.
(b) Remove the unwanted material from the flange that is damaged.
(c) Chamfer the edges of the damage with a CLOTH - ABRASIVE (GRADE 120-180).
(d) Clean the repair area with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
(e) Cut 3 layers of the glasscloth Dry glass fabric-8H Satin 293 gsm - 181 style SRM Type 2 - (Material No.13AEC1) to the correct size.
(f) Put a prefabricated molding block in position to support the repair.
(g) Prepare the epoxy adhesive Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) .
(i) Do the repair:
1 Put the first layer of glasscloth Dry glass fabric-8H Satin 293 gsm - 181 style SRM Type 2 - (Material No.13AEC1) on the repair area.
2 Apply epoxy adhesive Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) to the glasscloth.
3 Put the second layer of glasscloth Dry glass fabric-8H Satin 293 gsm - 181 style SRM Type 2 - (Material No.13AEC1) onto the first layer of glasscloth.
4 Apply epoxy adhesive Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) to the glasscloth.
5 Put the third layer of glasscloth Dry glass fabric-8H Satin 293 gsm - 181 style SRM Type 2 - (Material No.13AEC1) onto the second layer of glasscloth.
6 Apply epoxy adhesive Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) to the glasscloth.
7 Put a sheet of waxed paper onto the repair area.
8 Put a PLATE - PRESSURE or a VACUUM EQUIPMENT 0 TO 1 BAR (15 PSI) on the repair area.
9 Remove the unwanted adhesive.
(k) If necessary, correct the thickness with a CLOTH - ABRASIVE (GRADE 120-180).
(l) If necessary, cut the repair to the correct shape (ref. detail A).
(m) Apply the tape Adhesive Tape-- Glass Cloth - (Material No.05TAB1) to the rear side of the repair.
(n) Apply the Sealing Profile-- Silicone Foam - (Material No.14JAB1) to the rear side of the repair.
(o) Clean the inner surface of the repaired flange with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(p) Apply a FOAM TAPE (ABS 5006 4B/4D) along the inner surface of the repaired flange. Make sure that it is flush with the outer edge.
(2) Repair Solution 2 - Repair of the Flange with H-Profiles
(a) Remove the attached hardware from the decompression panel and retain it for reference and reinstallation.
(b) Cut the flange of the decompression panel to give space for the replacement flanges made from the H-PROFILE.
(c) Make a drilling template of all the holes on the decompression panel and retain it for reference.
(d) Cut the replacement H-PROFILE to the necessary length.
(e) Cut the corner joint of the replacement H-PROFILE to 45 degrees.
(f) Smooth and deburr all cut edges of the H-PROFILE with a CLOTH-EMERY (GRADE 80 - 120).
(g) Clean the mating surface of the decompression panel and the inner side of the replacement H-PROFILE. Use Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(h) Apply BONDING AND ADHESIVE COMPOUNDS (DAN 1199-01) to:
(j) Remove the unwanted adhesive with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(k) Make sure that the repair area is dry.
(l) Put the drilling template in position and drill the holes for the attachment hardware into the decompression panel.
(n) Clean the inner surface of the replacement H-PROFILE with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(o) Apply FOAM TAPE (ABS 5006 6A) along the inner surface of the replacement H-PROFILE. Make sure that the foam tape is flush with the outer edge.
(p) Install all the retained hardware on the decompression panel.
(q) Apply TAPE (DAN 328-H12) to all the corner slots.
(3) Repair Solution 3 - Replacement of H-Profiles
(a) Remove the attached hardware and retain it for reference and reinstallation.
(b) Disconnect the H-Profile with a CUTTER - THIN BLADE and remove it from the decompression panel.
(d) Cut the replacement H-PROFILE to the necessary length.
(e) Cut the corner joint of the replacement H-PROFILE to 45 degrees.
(f) Smooth and deburr all the cut edges of the H-PROFILE with a CLOTH-EMERY (GRADE 80 - 120).
(g) Clean the mating surface of the decompression panel and the inner side of the replacement H-PROFILE. Use Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(h) Apply BONDING AND ADHESIVE COMPOUNDS (DAN 1199-01) to:
(j) Remove the unwanted adhesive with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(k) Make sure that the repair area is dry.
(l) Put the drilling template in position and drill the holes for the attachment hardware into the decompression panel.
(n) Clean the inner surface of the replacement H-PROFILE with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(o) Apply FOAM TAPE (ABS 5006 6A) along the inner surface of the replacement H-PROFILE. Make sure that it is flush with the outer edge.
(p) Install all the retained hardware on the panel.
(q) Apply TAPE (DAN 328-H12) to all the corner slots.
5. Close-up(1) Repair Solution 1 - Repair of the Flange with Glasscloth
(a) Remove the sealing tape Sealing Profile-- Silicone Foam - (Material No.14JAB1) from the rear side of the flange that is damaged.
(b) Remove the unwanted material from the flange that is damaged.
(c) Chamfer the edges of the damage with a CLOTH - ABRASIVE (GRADE 120-180).
(d) Clean the repair area with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
(e) Cut 3 layers of the glasscloth Dry glass fabric-8H Satin 293 gsm - 181 style SRM Type 2 - (Material No.13AEC1) to the correct size.
(f) Put a prefabricated molding block in position to support the repair.
(g) Prepare the epoxy adhesive Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) .
NOTE: The manufacturer's instructions will give you the correct procedure.
(h) Put a sheet of waxed paper on the molding block. (i) Do the repair:
1 Put the first layer of glasscloth Dry glass fabric-8H Satin 293 gsm - 181 style SRM Type 2 - (Material No.13AEC1) on the repair area.
2 Apply epoxy adhesive Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) to the glasscloth.
3 Put the second layer of glasscloth Dry glass fabric-8H Satin 293 gsm - 181 style SRM Type 2 - (Material No.13AEC1) onto the first layer of glasscloth.
4 Apply epoxy adhesive Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) to the glasscloth.
5 Put the third layer of glasscloth Dry glass fabric-8H Satin 293 gsm - 181 style SRM Type 2 - (Material No.13AEC1) onto the second layer of glasscloth.
6 Apply epoxy adhesive Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) to the glasscloth.
7 Put a sheet of waxed paper onto the repair area.
8 Put a PLATE - PRESSURE or a VACUUM EQUIPMENT 0 TO 1 BAR (15 PSI) on the repair area.
9 Remove the unwanted adhesive.
NOTE: The curing times are given in the manufacturer's instructions.
(j) Make sure that the thickness of the repair is not more than 0.8 mm (0.0315 in.). (k) If necessary, correct the thickness with a CLOTH - ABRASIVE (GRADE 120-180).
(l) If necessary, cut the repair to the correct shape (ref. detail A).
(m) Apply the tape Adhesive Tape-- Glass Cloth - (Material No.05TAB1) to the rear side of the repair.
(n) Apply the Sealing Profile-- Silicone Foam - (Material No.14JAB1) to the rear side of the repair.
(o) Clean the inner surface of the repaired flange with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(p) Apply a FOAM TAPE (ABS 5006 4B/4D) along the inner surface of the repaired flange. Make sure that it is flush with the outer edge.
(2) Repair Solution 2 - Repair of the Flange with H-Profiles
(a) Remove the attached hardware from the decompression panel and retain it for reference and reinstallation.
(b) Cut the flange of the decompression panel to give space for the replacement flanges made from the H-PROFILE.
(c) Make a drilling template of all the holes on the decompression panel and retain it for reference.
(d) Cut the replacement H-PROFILE to the necessary length.
(e) Cut the corner joint of the replacement H-PROFILE to 45 degrees.
(f) Smooth and deburr all cut edges of the H-PROFILE with a CLOTH-EMERY (GRADE 80 - 120).
(g) Clean the mating surface of the decompression panel and the inner side of the replacement H-PROFILE. Use Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(h) Apply BONDING AND ADHESIVE COMPOUNDS (DAN 1199-01) to:
- The inner side of the replacement H-PROFILE
- The prepared mating surfaces on the decompression panel.
NOTE: The manufacturer's instructions will give you the correct procedure.
(i) Push the replacement H-PROFILE into position on the compression panel. Do a check of the alignment and the joint. (j) Remove the unwanted adhesive with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(k) Make sure that the repair area is dry.
(l) Put the drilling template in position and drill the holes for the attachment hardware into the decompression panel.
NOTE: The manufacturer's instructions will give you the correct procedure and the correct drill diameter.
(m) Smooth and deburr all the drilled holes with a CLOTH-EMERY (GRADE 80 - 120). (n) Clean the inner surface of the replacement H-PROFILE with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(o) Apply FOAM TAPE (ABS 5006 6A) along the inner surface of the replacement H-PROFILE. Make sure that the foam tape is flush with the outer edge.
(p) Install all the retained hardware on the decompression panel.
(q) Apply TAPE (DAN 328-H12) to all the corner slots.
(3) Repair Solution 3 - Replacement of H-Profiles
(a) Remove the attached hardware and retain it for reference and reinstallation.
(b) Disconnect the H-Profile with a CUTTER - THIN BLADE and remove it from the decompression panel.
NOTE: The manufacturer's instructions will give you the correct procedure.
(c) Make a drilling template of all the holes on the decompression panel and retain it for reference. (d) Cut the replacement H-PROFILE to the necessary length.
(e) Cut the corner joint of the replacement H-PROFILE to 45 degrees.
(f) Smooth and deburr all the cut edges of the H-PROFILE with a CLOTH-EMERY (GRADE 80 - 120).
(g) Clean the mating surface of the decompression panel and the inner side of the replacement H-PROFILE. Use Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(h) Apply BONDING AND ADHESIVE COMPOUNDS (DAN 1199-01) to:
- The inner side of the replacement H-PROFILE
- The prepared mating surfaces on the decompression panel.
NOTE: The manufacturer's instructions will give you the correct procedure.
(i) Push the replacement H-PROFILE into position on the decompression panel. Do a check of the alignment and the joint. (j) Remove the unwanted adhesive with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(k) Make sure that the repair area is dry.
(l) Put the drilling template in position and drill the holes for the attachment hardware into the decompression panel.
NOTE: The manufacturer's instructions will give you the correct procedure and the correct drill diameter.
(m) Smooth and deburr all the drilled holes with a CLOTH-EMERY (GRADE 80 - 120). (n) Clean the inner surface of the replacement H-PROFILE with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) .
(o) Apply FOAM TAPE (ABS 5006 6A) along the inner surface of the replacement H-PROFILE. Make sure that it is flush with the outer edge.
(p) Install all the retained hardware on the panel.
(q) Apply TAPE (DAN 328-H12) to all the corner slots.
Subtask 25-50-00-420-062-A
A. Installation of the Panels
(1) Install the decompression panels (Ref. AMM TASK 25-68-41-960-001).
(2) Install the forward cargo-compartment partition at FR24A (Ref. AMM TASK 25-54-11-400-001).
(3) Install the ceiling panels in the forward cargo compartment (Ref. AMM TASK 25-54-12-400-002).
(4) Install the ceiling panels in the aft cargo compartment (Ref. AMM TASK 25-55-12-400-002).
Subtask 25-50-00-410-090-A (1) Install the decompression panels (Ref. AMM TASK 25-68-41-960-001).
(2) Install the forward cargo-compartment partition at FR24A (Ref. AMM TASK 25-54-11-400-001).
(3) Install the ceiling panels in the forward cargo compartment (Ref. AMM TASK 25-54-12-400-002).
(4) Install the ceiling panels in the aft cargo compartment (Ref. AMM TASK 25-55-12-400-002).
B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Set the light switch to off.
(3) Close the applicable cargo compartment door(s) (Ref. AMM TASK 52-30-00-860-002).
(4) Remove the WARNING NOTICE(S) from the control panel of the forward/aft cargo loading system.
(5) Remove the access platform(s).
Subtask 25-50-00-862-052-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) Set the light switch to off.
(3) Close the applicable cargo compartment door(s) (Ref. AMM TASK 52-30-00-860-002).
(4) Remove the WARNING NOTICE(S) from the control panel of the forward/aft cargo loading system.
(5) Remove the access platform(s).