TASK 72-32-86-300-008 Intermediate Structure Rear Fairing - Repair The Cracks On The Pads, Repair-008 (VRS1982)

DMC:V2500-A0-72-32-8600-00A-610A-C|Issue No:001.00|Issue Date:2014-05-01

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

All

Common Information

TASK 72-32-86-300-008 Intermediate Structure Rear Fairing - Repair The Cracks On The Pads, Repair-008 (VRS1982)

Effectivity

FIG/ITEM

PART NO.

01-100

5A1688

01-100

5A1755

Material of component

DESCRIPTION

SYMBOL

MATERIAL

Rear fairing assembly

Resin impregnated carbon fiber fabric

General

Price and availability - none

NOTE

Equivalent materials or equipment or tools can be used.

NOTE

To identify the consumable materials, refer to the PCI.

NOTE

If there are damages more than the repairable limits given in TASK 72-32-86-300-008, VRS1982 on the pad, the pad must be replaced in accordance with TASK 72-32-86-300-009, VRS1983.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard equipmentLOCALStandard equipment
Standard workshop equipmentLOCALStandard workshop equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-124 ISOPROPYL ALCOHOLLOCALCoMat 01-124
CoMat 05-016 GARNET PAPER, 80-GRITLOCALCoMat 05-016
CoMat 05-017 GARNET PAPER, 60 GRITLOCALCoMat 05-017
CoMat 05-079 WATERPROOF SILICON CARBIDEK3895CoMat 05-079
CoMat 05-080 WATERPROOF SILICON CARBIDE44197CoMat 05-080
CoMat 06-073 INK, METAL MARKING88303CoMat 06-073
CoMat 08-015 RESINLOCALCoMat 08-015
CoMat 08-016 HARDENERLOCALCoMat 08-016
CoMat 08-058 DRY CARBON FIBRE FABRICIAE79CoMat 08-058
CoMat 08-059 DRY CARBON FIBRE FABRICIAE79CoMat 08-059
CoMat 08-153 CARBON FIBER CLOTHIE485CoMat 08-153

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-86-350-063 Remove the Cracks on the Pads

    1. Refer to Figure.

      2. Clean the area to be repaired.

      1. Refer to the SPM TASK 70-11-26-300-503. Use CoMat 01-124 ISOPROPYL ALCOHOL. Use lint free cloth.

      3. NOTE

        Keep the material removal to the minimum necessary to remove the crack.

        Remove the cracks on pads.

      1. Use portable grinding equipment. Maximum blend limit is given in Figure.

      2. Make smooth the edges of the blended area.

      3. If the crack cannot be removed within the repairable limits, the pad must be removed and replaced in accordance with VRS1983, TASK 72-32-86-300-009.

      4. Polish the blended area.

      2. Make the blended surface as smooth as the initial surface.

    5. Do Step again.

    2. SUBTASK 72-32-86-220-093 Examine the Blended Area

    1. Refer to Figure.

      2. Visually and dimensionally examine the blended area.

      1. Make sure that the blended area is within the given limits.

      2. Make sure that the surface finish is the same as the adjacent surface finish. Make sure that the cracks have been completely removed.

    3. SUBTASK 72-32-86-380-054 Apply Epoxy Resin to the Repaired Area

    1. Refer to Figure.

      2. WARNING

        DURING THE OPERATION, WEAR PROTECTIVE GLOVES AND GOGGLES.

        WARNING

        MAKE SURE THAT THERE IS SUFFICIENT VENTILATION DURING THE OPERATION.

        Make up the epoxy resin.

      2. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-004.

      3. Apply the epoxy resin to the repaired area.

      1. Use a spatula.

      4. Remove excess resin.

      1. Make sure that the repaired surface maintains the initial pad shape.

      2. Use a spatula.

    4. SUBTASK 72-32-86-380-055 Cure the Repaired Area

    1. Refer to Figure.

      2. CAUTION

        BEFORE CURING, LET THE AIR OUT OF THE RESIN LAYER BY ROLLER OR EQUIVALENT.

        CAUTION

        BE CAREFUL THAT THE RESIN LAYER IS NOT DEFORMED DURING CURING PROCESS.

        Cure the coating of epoxy resin for 60 minutes at 203 to 221 deg F (95 to 105 deg C) by heating.

      1. Use an oven.

      3. Remove excess resin to make smooth surface.

      2. The repaired area must be the same contour and surface finish as the initial pad.

    5. SUBTASK 72-32-86-220-094 Examine the Repaired Area of the Rear Fairing Assembly

    1. Refer to Figure.

      2. Visually examine the repaired area.

      1. Cracks are not permitted.

      2. Refer to TASK 72-32-86-200-000 (INSPECTION-000).

      3. Make sure that the repaired area is the same contour and surface finish as the initial pad.

      3. Dimensionally examine the repaired area.

      1. Make sure that the final dimensions are within the given limits.

    6. SUBTASK 72-32-86-350-064 Mark the Repair Number on the Rear Fairing Assembly

      1. Mark VRS1982 with white ink adjacent to the part number.

      1. Use the ink method.

      3. Refer to the SPM TASK 70-09-00-400-501.

    7. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:44197
Enterprise Name:SAINT-GOBAIN INDUSTRIAL CERAMICS INC.
BU Name:SAINT-GOBAIN ABRASIVES, INC
Street:ONE NEW BOND STREET
P.O. Box:PO BOX 15008
City:WORCESTER
State:MA
Zip Code:01615-0008
Country:USA
Phone Number:1-508-795-5000
Fax Number:1-508-795-2828
Internet:www.saint-gobain-northamerica.com
Manufacturer Code:88303
Enterprise Name:PHILLIPS PROCESS CO., INC
BU Name:PHILLIPS PROCESS CO., INC
Street:20 MAGNOLIA STREET
City:ROCHESTER
State:NY
Zip Code:14608-2931
Country:USA
Phone Number:1-585-436-2310
Fax Number:1-585-436-2310
Manufacturer Code:IAE79
Enterprise Name:CYTEC AEROSPACE LTD
BU Name:CYTEC AEROSPACE LTD
Building:WREXHAM INDUSTRIAL ESTATE
Street:ABENBURY WAY
City:WREXHAM, CLWYD
Zip Code:LL13 9UZ
Country:GREAT BRITAIN
Phone Number:44-1978-665200, 44-1978-665200
Fax Number:44-1978-665222, 44-1978-665222
Manufacturer Code:IE485
Enterprise Name:DELETED
Manufacturer Code:K3895
Enterprise Name:DELETED. REFER TO VENDOR CODE KC1D9.
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 01-124
Type:sp01
Supply Short Name:CoMat 01-124 ISOPROPYL ALCOHOL
Supply Name:CoMat 01-124 ISOPROPYL ALCOHOL
Specification Groups:
Doc NumberType
OMAT:1/40GPR TECHNICAL GRADE
PMC 9094GPR TECHNICAL GRADE
JCR-011GPR TECHNICAL GRADE
Suppliers:
ManufacturerRemarks
LOCAL
U1185
24853
K6835
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:0KHE3
Supply Number:CoMat 05-017
Type:sp01
Supply Short Name:CoMat 05-017 GARNET PAPER, 60 GRIT
Supply Name:CoMat 05-017 GARNET PAPER, 60 GRIT
Specification Groups:
Doc NumberType
GARNET PAPER, CAMI GRIT SIZE 60 GRADE 1/2 (ANSI B74.18)
Suppliers:
ManufacturerRemarks
0KHE3
1E1X8
C4347
LOCAL
K0993
K6835
Manufacturer Code:1E1X8
Supply Number:CoMat 05-079
Type:sp01
Supply Short Name:CoMat 05-079 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-079 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/36 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 220 (ANSI B74.18)
JCR-189 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
K6835
LOCAL
Manufacturer Code:1E1X8
Supply Number:CoMat 05-080
Type:sp01
Supply Short Name:CoMat 05-080 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-080 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/37 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 180 (ANSI B74.18)
JCR-190 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
K6835
LOCAL
Manufacturer Code:LOCAL
Supply Number:CoMat 06-073
Type:sp01
Supply Short Name:CoMat 06-073 INK, METAL MARKING
Supply Name:CoMat 06-073 INK, METAL MARKING
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:LOCAL
Supply Number:CoMat 08-015
Type:sp01
Supply Short Name:CoMat 08-015 RESIN
Supply Name:CoMat 08-015 RESIN
Specification Groups:
Doc NumberType
RENGEL SV.409 OMAT: 805
RENGEL SV.409 JCR-146
Suppliers:
ManufacturerRemarks
LOCAL
IE432
IE200
IAE77
K1007
k3504
Manufacturer Code:LOCAL
Supply Number:CoMat 08-016
Type:sp01
Supply Short Name:CoMat 08-016 HARDENER
Supply Name:CoMat 08-016 HARDENER
Specification Groups:
Doc NumberType
CRAYAMID 140 OMAT: 806
CRAYAMID 140 JCR-147
Suppliers:
ManufacturerRemarks
LOCAL
18598
IE200
k3504
K3713
K6835
Manufacturer Code:IAE79
Supply Number:CoMat 08-058
Type:sp01
Supply Short Name:CoMat 08-058 DRY CARBON FIBRE FABRIC
Supply Name:CoMat 08-058 DRY CARBON FIBRE FABRIC
Specification Groups:
Doc NumberType
BOEING BMS 9-8 3K-70-PW(DRY)
Suppliers:
ManufacturerRemarks
IAE79
Manufacturer Code:0LHZ4
Supply Number:CoMat 08-059
Type:sp01
Supply Short Name:CoMat 08-059 DRY CARBON FIBRE FABRIC
Supply Name:CoMat 08-059 DRY CARBON FIBRE FABRIC
Specification Groups:
Doc NumberType
BOEING BMS 9-8 3K-135-8H (DRY)OMAT:8/206A (RR REF)
Suppliers:
ManufacturerRemarks
0LHZ4
IAE79
K6835
Manufacturer Code:IE485
Supply Number:CoMat 08-153
Type:sp01
Supply Short Name:CoMat 08-153 CARBON FIBER CLOTH
Supply Name:CoMat 08-153 CARBON FIBER CLOTH
Specification Groups:
Doc NumberType
JCR-316CL6648G
Suppliers:
ManufacturerRemarks
IE485
Manufacturer Code:LOCAL
Tool Number:Standard equipment
Tool Name:Standard equipment
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