W DOC AIRBUS | AMM A320F

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


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.
ZONE: 130
ZONE: 150
ZONE: 160
1. Reason for the Job
Self 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
 B. Consumable Materials
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)
 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 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
3. Job Set-up
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
B. Damage Limits
   (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.).
If the distance to the nearest damaged area in the same panel is less than 50 mm (1.97 in.) take the two damaged areas as a single area.
   (2) Do the repair if the area adjacent to the damage is flat.
   (3) Types of repair patch:
  • Laminating resin-Epoxy Fire compliant - (Material No.13EBK1)
  • Dry glass fabric-8H Satin 293 gsm - 7781 style SRM Type 1 - (Material No.13AFB1) .
4. Procedure
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:
     (b) From the aft cargo compartment:
Subtask 25-50-00-340-072-A
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.
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.
     (b) Remove all dust and loose particles.
     (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
C. Installation of the Repaired Lining Panel(s), if Removed
   (1) Install the repaired lining panel(s):
     (a) In the forward cargo compartment:
     (b) In the aft cargo compartment:
5. Close-up
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).
[Rev.10 from 2021] 2026.04.01 06:24:09 UTC