Laminate Repair Procedure (Damage Through) - All Cargo-Compartment Laminated Linings
TASK 25-50-00-340-802-A
Laminate Repair Procedure (Damage Through) - All Cargo-Compartment Laminated Linings
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 25-50-00-010-119-A
Subtask 25-50-00-020-066-A
Subtask 25-50-00-410-112-A
[Rev.10 from 2021]
2026.04.01 06:24:09 UTC
Laminate Repair Procedure (Damage Through) - All Cargo-Compartment Laminated Linings
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
NOTE: This task does not include the repairs of the linings with a honeycomb core.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ABRASIVE PAPER - 240 GRIT (ANSI B74.18) |
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) |
| No specific | 1 | CLOTH-EMERY (GRADE 80 - 120) |
| No specific | 1 | DRILL DIA 1/128 IN |
| No specific | 1 | GUN - RIVET |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BBD1) | Non Aqueous Cleaner-- Isopropyl Alcohol - |
| (Material No.13AFB1) | Dry glass fabric-8H Satin 293 gsm - 7781 style SRM Type 1 - |
| (Material No.13EBK1) | Laminating resin-Epoxy Fire compliant - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| No specific | Release paper or Hostaphan foil |
| No specific | rivets (NAS1919M04S03) or (NAS1919C04S03) |
| No specific | washers (ASNA0113-32) |
| 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 25-54-12-000-001-A | Removal of the Forward Cargo-Compartment Partition |
| TASK 25-54-12-000-002-A | Removal of the Ceiling Panels in the Forward Cargo Compartment |
| TASK 25-54-12-000-003-A | Removal of the Sidewall Panels in the Forward Cargo Compartment |
| TASK 25-54-12-400-001-A | Installation of the Forward Cargo-Compartment Partition |
| TASK 25-54-12-400-002-A | Installation of the Ceiling Panels in the Forward Cargo Compartment |
| TASK 25-54-12-400-003-A | Installation of the Sidewall Panels in the Forward Cargo Compartment |
| TASK 25-55-11-000-001-A | Removal of the Aft Cargo-Compartment Partition at FR47 |
| TASK 25-55-11-000-002-A | Removal of the Ceiling Panels in the Aft Cargo-Compartment - FR47/FR59 |
| TASK 25-55-11-000-003-A | Removal of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59 |
| TASK 25-55-11-400-001-A | Installation of the Aft Cargo-Compartment Partition at FR47 |
| TASK 25-55-11-400-002-A | Installation of the Ceiling 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 25-55-12-000-001-A | Removal of the Aft Cargo-Compartment Partition at FR65 |
| TASK 25-55-12-000-002-A | Removal of the Ceiling Panels in the Aft Cargo Compartment at FR59/FR65 |
| TASK 25-55-12-000-003-A | Removal of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65 |
| TASK 25-55-12-400-001-A | Installation of the Aft Cargo-Compartment Partition at FR65 |
| TASK 25-55-12-400-002-A | Installation of the Ceiling Panels in the Aft Cargo Compartment at FR59/FR65 |
| TASK 25-55-12-400-003-A | Installation of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65 |
| 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 |
Subtask 25-50-00-010-119-A
A. Get Access
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the opening of the forward and/or aft cargo compartment door(s).
(3) Open the related cargo compartment door (Ref. AMM TASK 52-30-00-860-001).
(4) Set the light switch to on.
Subtask 25-50-00-210-113-A (1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position at the opening of the forward and/or aft cargo compartment door(s).
(3) Open the related cargo compartment door (Ref. AMM TASK 52-30-00-860-001).
(4) Set the light switch to on.
B. Damage Limits
(1) Do the repair of the damaged area if:
(2) Do the repair if the area adjacent to the damage is flat.
(3) Types of repair patch:
4. Procedure(1) Do the repair of the damaged area if:
- The length of a damaged area is less than 250 mm (9.84 in.) and
- The width of the damaged area is less than 25 mm (0.98 in.) and
- The minimum distance to the nearest damaged or repaired area in the same panel is 50 mm (1.97 in.).
(2) Do the repair if the area adjacent to the damage is flat.
(3) Types of repair patch:
Subtask 25-50-00-020-066-A
A. Removal of the Damaged Lining Panel(s)
(1) Remove the damaged lining panel(s) for the related repair procedure, if necessary:
(a) From the forward cargo compartment:
Subtask 25-50-00-340-072-A (1) Remove the damaged lining panel(s) for the related repair procedure, if necessary:
(a) From the forward cargo compartment:
- (Ref. AMM TASK 25-54-11-000-001)
- (Ref. AMM TASK 25-54-12-000-001)
- (Ref. AMM TASK 25-54-12-000-002)
- (Ref. AMM TASK 25-54-12-000-003).
B. Repair of the Lining Panel
(1) Remove the damaged material from the lining panel.
(2) Remove the rough edges with CLOTH-EMERY (GRADE 80 - 120).
(3) Remove the paint from the damaged area and the area for the overlap with ABRASIVE PAPER - 240 GRIT (ANSI B74.18).
(4) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(5) Let the surface dry for a minimum of 15 minutes.
(6) Prepare a quantity of Laminating resin-Epoxy Fire compliant - (Material No.13EBK1) .
(7) Apply the Laminating resin-Epoxy Fire compliant - (Material No.13EBK1) on a Release paper or Hostaphan foil and soak a Dry glass fabric-8H Satin 293 gsm - 7781 style SRM Type 1 - (Material No.13AFB1) to make a repair patch.
(8) Apply a second Release paper or Hostaphan foil on the top of the repair patch.
(9) Cut the repair patch to the correct size:
(a) Make sure that there is an overlap more than 20 mm (0.79 in.) on each side of the repaired area.
(b) Make sure that each corner of the repair patch has a radius larger than 10 mm (0.39 in.).
(10) Do not overlap other repair patches.
(11) Remove the Release paper or Hostaphan foil and put the repair patch on the repair area.
(12) When the repair area has more than one curve remove the two release papers or hostaphan foils.
(13) Make sure that there is no air between the repair patch and the lining panel.
(15) Remove the second release paper or hostaphan foil.
(16) Let the patch become hard.
(17) Attach the patch with steel rivets:
(a) Use a DRILL DIA 1/128 IN and drill regularly spaced holes along the edges of the patch as follows:
(c) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(d) Install the stainless steel rivets (NAS1919M04S03) or (NAS1919C04S03) and the stainless steel washers (ASNA0113-32) with the GUN - RIVET.
Subtask 25-50-00-420-067-A (1) Remove the damaged material from the lining panel.
(2) Remove the rough edges with CLOTH-EMERY (GRADE 80 - 120).
(3) Remove the paint from the damaged area and the area for the overlap with ABRASIVE PAPER - 240 GRIT (ANSI B74.18).
(4) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(5) Let the surface dry for a minimum of 15 minutes.
(6) Prepare a quantity of Laminating resin-Epoxy Fire compliant - (Material No.13EBK1) .
(7) Apply the Laminating resin-Epoxy Fire compliant - (Material No.13EBK1) on a Release paper or Hostaphan foil and soak a Dry glass fabric-8H Satin 293 gsm - 7781 style SRM Type 1 - (Material No.13AFB1) to make a repair patch.
(8) Apply a second Release paper or Hostaphan foil on the top of the repair patch.
(9) Cut the repair patch to the correct size:
(a) Make sure that there is an overlap more than 20 mm (0.79 in.) on each side of the repaired area.
(b) Make sure that each corner of the repair patch has a radius larger than 10 mm (0.39 in.).
(10) Do not overlap other repair patches.
(11) Remove the Release paper or Hostaphan foil and put the repair patch on the repair area.
(12) When the repair area has more than one curve remove the two release papers or hostaphan foils.
(13) Make sure that there is no air between the repair patch and the lining panel.
NOTE: Air between the repair patch and the lining panel is not permitted.
(14) Push the repair patch tightly on the lining panel. (15) Remove the second release paper or hostaphan foil.
(16) Let the patch become hard.
(17) Attach the patch with steel rivets:
(a) Use a DRILL DIA 1/128 IN and drill regularly spaced holes along the edges of the patch as follows:
- The distance to the edges of the patch must be more than 10 mm (0.39 in.)
- The distance between the holes must be between 20 mm (0.79 in.) and 50 mm (1.97 in.)
- Do not install rivets in areas with contour radius less than 100 mm (3.9370 in.)
- Do not install rivets in areas which have an overlap on the aircraft structure.
(c) Clean the surface with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(d) Install the stainless steel rivets (NAS1919M04S03) or (NAS1919C04S03) and the stainless steel washers (ASNA0113-32) with the GUN - RIVET.
C. Installation of the Repaired Lining Panel(s), if Removed
(1) Install the repaired lining panel(s):
(a) In the forward cargo compartment:
5. Close-up(1) Install the repaired lining panel(s):
(a) In the forward cargo compartment:
- (Ref. AMM TASK 25-54-11-400-001)
- (Ref. AMM TASK 25-54-12-400-001)
- (Ref. AMM TASK 25-54-12-400-002)
- (Ref. AMM TASK 25-54-12-400-003).
Subtask 25-50-00-410-112-A
A. 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 related cargo compartment door (Ref. AMM TASK 52-30-00-860-002).
(4) Remove the access platform(s).
(5) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
(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 related cargo compartment door (Ref. AMM TASK 52-30-00-860-002).
(4) Remove the access platform(s).
(5) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
Laminate and Steel Rivets - Damage through the Component