TASK 72-32-89-300-001 Fan Case Outer Acoustic Transition Liner Panel - Local Repair Of The Acoustic Lining, Repair-001 (VRS1428)

DMC:V2500-A0-72-32-8900-00A-610A-C|Issue No:001.00|Issue Date:2013-11-01

Export Control

EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.

Copyright

© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).

Applicability

Post SBE 72-0103

Common Information

TASK 72-32-89-300-001 Fan Case Outer Acoustic Transition Liner Panel - Local Repair Of The Acoustic Lining, Repair-001 (VRS1428)

Effectivity

FIG/ITEM

PART NO.

01-100

5R0012

General

This Repair TASK gives the procedure for local repair of the acoustic lining.

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Doubler

Aluminum alloy

Plate

Aluminum alloy

Honeycomb

Aluminum alloy

Price and availability

Refer to IAE for any of these items.

Tool

Repair parts

Repair of spares

The practices and processes referred to in the procedure by the TASK numbers are in the SPM.

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Hand toolsLOCALTools, hand
KnifeLOCALKnife
SpatulaLOCALSpatula
TrowelLOCALTrowel
Filler injection gunLOCALFiller injection gun

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-076 METHYL ETHYL KETONELOCALCoMat 01-076
CoMat 05-016 GARNET PAPER, 80-GRITLOCALCoMat 05-016
CoMat 08-006 FILLER, TWO PACKLOCALCoMat 08-006

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-89-350-051 Remove the Defective Area

      1. Cut away area to remove the broken pieces or drill a hole or holes for the injection of the filler in to the damaged area.

      1. Refer to Figure.

      2. Make the surface flat, if necessary.

        1. Refer to Figure.

        1. Edges of the damaged area must be underflush.

    2. SUBTASK 72-32-89-110-051 Degrease the Repair Area

      1. Fully degrease the area.

      2. Immediately dry out area with air blast.

      1. Use oil free air.

    3. SUBTASK 72-32-89-360-051 Prepare the Filler Materials EC3524 A and B

      1. Measure out materials by weight - 100 parts EC3524B (Blue) base, 94 parts EC3524A (White) accelerator.

      2. Mix the materials by kneading until a uniform blue colour is got. No streaks are permitted.

      1. Use knife, spatula or trowel.

    4. SUBTASK 72-32-89-360-052 Apply the Filler Material

      1. Lightly overfill damaged area.

      1. Use hand tools or filler injection gun.

      2. Partially cure.

      1. Permit sufficient time for the filler material to stiffen.

      3. Remove the too much materials.

        1. Remove most of too much materials by a planing or burnishing action.

        1. Use knife, spatula or trowel.

      4. Cure.

        1. 24 hours at room temperature 72 deg F (22 deg C).

        1. Optional cure: heat to 200 deg F (93 deg C) for 30 minutes approximately.

      5. Blend the filler material to contour.

        1. Blend after the material is hard to touch.

    5. SUBTASK 72-32-89-220-051 Visual Inspection

      1. Visually examine.

      1. Refer to the SPM TASK 70-21-01-220-501.

    6. Figure: Acoustic lining and typical repair

    Acoustic lining and typical repair

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 01-076
Type:sp01
Supply Short Name:CoMat 01-076 METHYL ETHYL KETONE
Supply Name:CoMat 01-076 METHYL ETHYL KETONE
Specification Groups:
Doc NumberType
METHYL ETHYL KETONE, TECHNICAL GRADE, CERTIFIED TO BSI BS 1940 OR ASTM D740, OR TT-M-261
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:0KHE3
Supply Number:CoMat 05-016
Type:sp01
Supply Short Name:CoMat 05-016 GARNET PAPER, 80-GRIT
Supply Name:CoMat 05-016 GARNET PAPER, 80-GRIT
Specification Groups:
Doc NumberType
GARNET PAPER, CAMI GRIT SIZE 80 GRADE 0 (ANSI B74.18)
Suppliers:
ManufacturerRemarks
0KHE3
1E1X8
LOCAL
C4347
K0993
K2F42
K6835
V571V
Manufacturer Code:00BB6
Supply Number:CoMat 08-006
Type:sp01
Supply Short Name:CoMat 08-006 FILLER, TWO PACK
Supply Name:CoMat 08-006 FILLER, TWO PACK
Specification Groups:
Doc NumberType
SCOTCH-WELD EC-3524 B/A
OMAT: 874 (RR REF)
JCR-141 (JAEC REF)
Suppliers:
ManufacturerRemarks
00BB6
76381
94960
K0993
K6835
KF595
U7947
Manufacturer Code:LOCAL
Tool Number:Filler injection gun
Tool Name:Filler injection gun
Manufacturer Code:LOCAL
Tool Number:Knife
Tool Name:Knife
Manufacturer Code:LOCAL
Tool Number:Spatula
Tool Name:Spatula
Link not Found
Manufacturer Code:LOCAL
Tool Number:Trowel
Tool Name:Trowel