Speed Patches (on Each Side) Repair Method (Damage Through) - All Cargo Compartment Linings with Honeycomb Core

TASK 25-50-00-340-005-A
Speed Patches (on Each Side) 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.

ZONE: 130
ZONE: 150
ZONE: 160

1. Reason for the Job
Refer 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	CLOTH - ABRASIVE (GRADE 120-180)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BBD1)	Non Aqueous Cleaner-- Isopropyl Alcohol -
(Material No.13XBD5)	Laminate Repair Patch-Cured - Fire compliant Intumescent Cargo 2
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

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

D. Referenced Information

REFERENCE	DESIGNATION
TASK 25-50-00-200-024-A	Cargo Compartment Linings with Honeycomb Core - General Repair/Protection Information
TASK 25-50-00-370-001-A	Refurbishment of Cargo Compartment Linings
CC Honeycomb Linings, 3 Patches - Damage Through

3. Job Set-up
Subtask 25-50-00-010-099-A

A. Get Access
(Ref. AMM TASK 25-50-00-200-024).

4. Procedure
Subtask 25-50-00-220-051-A

A. Identification of the Damage Area
(Ref. AMM TASK 25-50-00-200-024)
(1) If the damaged panel is painted (refurbished in accordance to (Ref. AMM TASK 25-50-00-370-001))), remove the paint in the affected area before applying the repair procedure.
(2) To identify the surface of the damaged panel use Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) . If the panel is painted, the applied paint dissolves.
(3) Type of repair patch:

Laminate Repair Patch-Cured - Fire compliant Intumescent Cargo 2 (Material No.13XBD5) .

Subtask 25-50-00-340-054-A

B. Repair of the Lining

CC Honeycomb Linings, 3 Patches - Damage Through

(1) Remove the damaged material from the lining.
(2) Rework the contour of the damaged area to get a regular shape.

NOTE: This will let you cut and install the inlay patch correctly.

(3) Remove the rough edges with a CLOTH - ABRASIVE (GRADE 120-180).
(4) Clean the area with Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(5) Cut two repair patches (1) and (3) to the applicable dimensions.

NOTE: The repair patches must be 38 mm (1.50 in.) larger than the damaged area in all directions.

NOTE: Do not use the patch to overlap another repair.

NOTE: If the lining panel has an aluminum or titanium cover sheet installed:

the repair patch on the view side of the panel should not overlap the cover sheet.

(6) Deburr the edges of the two repair patches with a CLOTH - ABRASIVE (GRADE 120-180).
(7) Remove the protective backing from the repair patch (1).
(8) Put the patch (1) over the damaged area on the rear side of the panel and push it in position.
(9) Cut an inlay patch (2) to the dimension of the damaged area.
(10) Remove the protective backing from the inlay patch (2).
(11) From the view (cargo compartment) side of the panel:
(a) Bond the inlay patch (2) onto the adhesive side of the rear side patch (1).
(b) Make sure that patch (2) fully covers the adhesive side of the rear side patch (1).
(12) Remove the protective backing from the repair patch (3).
(13) Put the repair patch (3) over the damaged area on the view side of the panel and push it in position.

5. Close-up
Subtask 25-50-00-410-092-A

A. Close Access
(Ref. AMM TASK 25-50-00-200-024)

[Rev.10 from 2021] 2026.04.02 06:56:17 UTC