Patches, Filler and Rivets Repair Method (Damage Through) - All Cargo Compartment Linings with Honeycomb Core
TASK 25-50-00-340-011-A
Patches, Filler and Rivets Repair Method (Damage Through) - All Cargo Compartment Linings with Honeycomb Core
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 25-50-00-010-105-A 4. Procedure
Subtask 25-50-00-220-056-A
Subtask 25-50-00-410-098-A
[Rev.10 from 2021]
2026.04.02 06:14:22 UTC
Patches, Filler and Rivets Repair Method (Damage Through) - All Cargo Compartment Linings with Honeycomb Core
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 | BLANKET - HEAT |
| No specific | 1 | CLOTH - ABRASIVE (GRADE 120-180) |
| No specific | 1 | GUN - FASTENER |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BBD1) | Non Aqueous Cleaner-- Isopropyl Alcohol - |
| (Material No.13GBB3) | Low density compound-Fire compliant Low temperature curing Furnishing |
| (Material No.13XBC4) | Laminate Repair Patch-Cured - Fire compliant Non Intumescent Thick Cargo |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| No specific | 3.3 mm (0.128 in.) to 3.5 mm (0.137 in.) drill. |
| No specific | CRES rivets (NAS 1919 C 04 S 06 U) |
| No specific | CRES rivets (NAS 1919 C 04 S 07 U) |
| No specific | Monel Rivet (NAS 1919 M 04 S 06 U) |
| No specific | Monel Rivet (NAS 1919 M 04 S 07 U) |
| 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 25-50-00-200-024-A | Cargo Compartment Linings with Honeycomb Core - General Repair/Protection Information |
Subtask 25-50-00-010-105-A 4. Procedure
Subtask 25-50-00-220-056-A
A. Identification of the Damage Limits (Ref. AMM TASK 25-50-00-200-024)
(1) Type of repair patch:
Subtask 25-50-00-340-061-A (1) Type of repair patch:
- Laminate Repair Patch-Cured - Fire compliant Non Intumescent Thick Cargo (Material No.13XBC4)
B. Repair of the Panel
(1) Remove the damaged material from the panel.
(2) Make the repair area smooth and deburr it with a CLOTH - ABRASIVE (GRADE 120-180).
(3) Clean the repair area with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Make sure that the repair area is dry.
(5) Cut two patches Laminate Repair Patch-Cured - Fire compliant Non Intumescent Thick Cargo (Material No.13XBC4) to the applicable dimensions.
(a) The repair patches must be 38 mm (1.50 in.) larger than the damaged area in all directions.
(b) The overlap of patches is not permitted.
(c) If the lining panel has an aluminum or titanium cover sheet installed:
(7) Use a BLANKET - HEAT between 100 DEG.C (212.00 DEG. F) and 110 DEG.C (230.00 DEG.F) with a soft force to bond the first repair patch to the rear side of the panel.
(8) Fill the
(10) From the view (cargo compartment) side of the panel:
(a) Drill holes along the edges of the patch, through the full patch/panel/patch assembly, regularly spaced with a 3.3 mm (0.128 in.) to 3.5 mm (0.137 in.) drill..
(b) The distance to the edges must not be less than 15 mm (0.59 in.).
(c) The distance between the holes must not be more than 100 mm (3.94 in.).
(11) Install the rivets from the view (cargo compartment) side of the panel with the necessary rivet length.
5. Close-up(1) Remove the damaged material from the panel.
(2) Make the repair area smooth and deburr it with a CLOTH - ABRASIVE (GRADE 120-180).
(3) Clean the repair area with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Make sure that the repair area is dry.
(5) Cut two patches Laminate Repair Patch-Cured - Fire compliant Non Intumescent Thick Cargo (Material No.13XBC4) to the applicable dimensions.
(a) The repair patches must be 38 mm (1.50 in.) larger than the damaged area in all directions.
(b) The overlap of patches is not permitted.
(c) If the lining panel has an aluminum or titanium cover sheet installed:
- the repair patch on the view side of the panel must not overlap the cover sheet.
(7) Use a BLANKET - HEAT between 100 DEG.C (212.00 DEG. F) and 110 DEG.C (230.00 DEG.F) with a soft force to bond the first repair patch to the rear side of the panel.
(8) Fill the
- Low density compound-Fire compliant Low temperature curing Furnishing (Material No.13GBB3)
into the prepared area.
NOTE: Obey the manufacturers instructions.
(9) Use a BLANKET - HEAT between 100 DEG.C (212 DEG.F) and 110 DEG.C (230 DEG.F) with a soft force to bond the second repair patch to the view (cargo compartment) side of the panel. (10) From the view (cargo compartment) side of the panel:
(a) Drill holes along the edges of the patch, through the full patch/panel/patch assembly, regularly spaced with a 3.3 mm (0.128 in.) to 3.5 mm (0.137 in.) drill..
(b) The distance to the edges must not be less than 15 mm (0.59 in.).
(c) The distance between the holes must not be more than 100 mm (3.94 in.).
(11) Install the rivets from the view (cargo compartment) side of the panel with the necessary rivet length.
NOTE: To select the correct length for the rivets, refer to the thickness of the panel with the patches.
(a) Install the rivets: - Monel Rivet (NAS 1919 M 04 S 06 U)
or - Monel Rivet (NAS 1919 M 04 S 07 U)
or - CRES rivets (NAS 1919 C 04 S 06 U)
or - CRES rivets (NAS 1919 C 04 S 07 U)
with the GUN - FASTENER.
Subtask 25-50-00-410-098-A
CC Honeycomb Linings, Patch/Rivets - Damage Through