TASK 72-41-34-300-064 HPC Inlet Variable Stator Vane Unison Rings - Repair of Crack in rivet weld by Welding, Repair-064 (VRS6544)

DMC:V2500-A0-72-41-3400-00A-627A-C|Issue No:001.00|Issue Date:2016-08-01

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 72-41-34-300-064 HPC Inlet Variable Stator Vane Unison Rings - Repair of Crack in rivet weld by Welding, Repair-064 (VRS6544)

Effectivity

FIG/ITEM

PART NO.

02-440

6A7580

02-440

6A7849

02-440

6A7899

02-440

6A8075

02-540

6A7584

02-540

6A7851

02-540

6A7901

02-540

6A8077

03-440

6A7588

03-440

6A7861

03-440

6A7863

03-440

6A7903

03-440

6A8115

03-540

6A7590

03-540

6A7865

03-540

6A7906

03-540

6A8119

04-440

6A7596

04-440

6A7868

04-440

6A7888

04-440

6A8117

04-440

6A8121

04-540

6A7599

04-540

6A7890

05-440

6A7605

05-440

6A7894

05-440

6A8086

05-440

6A8088

05-540

6A7607

05-540

6A7896

Material of component

PART IDENT

MATERIAL

HPC Inlet Variable Stator Vane Unison Rings

Titanium Alloy

General

This repair must only be done when the instruction to do so is given in the inspection procedures (identified by the applicable part number) located in section 72-41-34.

This TASK gives the procedure to repair the cracks in the rivet welds on the HPC Inlet Variable Stator Vane Unison Rings by welding.

TASKS identified by SPM TASK are in the Standard Practices and Processes Manual (SPM).

Price and availability.

Refer to International Aero Engine.

NOTE

Equipment and materials necessary to do this repair are in the SPM TASKS given below.
SPM TASK 70-09-00-400-501
SPM TASK 70-23-02-230-501
SPM TASK 70-23-05-230-501
SPM TASK 70-31-02-310-501-001
SPM TASK 70-35-03-300-501

NOTE

It is possible that some materials in the consumable materials chart cannot be used for some or all of the necessary applications. Before you use the materials, make sure the types, quantities and applications of the materials necessary are legally permitted in your location. All persons must obey all applicable federal, state, local and provincial laws and regulations when it is necessary to work with these materials.

NOTE

To identify the consumable materials refer to the Overhaul Processes and Consumables Index (PCI).

NOTE

Other necessary consumable materials are referred to in the SPM TASKS.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Welding equipmentLOCALWelding equipment
Chemical cleaning equipmentLOCALChemical cleaning equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Standard workshop toolsLOCALStandard workshop tools
Vibrating marking pencilLOCALVibrating marking pencil
Workshop inspection equipmentLOCALWorkshop inspection equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-121 TEMPORARY MARKER PENCIL/CRAYONIE304CoMat 02-121
CoMat 03-366 WELDING FILLER WIRELOCALCoMat 03-366
CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY)LOCALCoMat 06-063
CoMat 06-064 FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY)LOCALCoMat 06-064
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
CoMat 05-111 EMERY POLISHING PAPER06565CoMat 05-111

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-34-110-147 Prepare the Repair Area for Welding

      1. Prepare the repair area for welding.

      1. Refer to SPM TASK 70-35-03-300-501.

      2. Dress to remove cracking. Remove burrs and sharp edges from weld only.

      3. Removal of parent material on the HPC Inlet Variable Stator Vane Unison Rings is not permitted.

      4. Removal of parent material on the rivet is not permitted; if the rivet is damaged refer to VRS6265.

    2. SUBTASK 72-41-34-230-198 Do a Crack Test

      1. Do a local penetrant crack test on the repair area of dressing.

      1. Refer to SPM TASK 70-23-05-230-501.

      4. Cracks are not permitted.

    3. SUBTASK 72-41-34-110-148 Chemically Clean

      1. Chemically clean the HPC Inlet Variable Stator Vane Unison Rings.

    4. SUBTASK 72-41-34-350-201 Weld Build up the damaged Area

    1. Refer to Figure.

      2. Weld build up dressed area.

      2. Tack weld location pin (UP11019) repair areas, to capture respective dowel assemblies in actuating ring.

    5. SUBTASK 72-41-34-110-149 Chemically Clean

      1. Chemically clean the HPC Inlet Variable Stator Vane Unison Rings.

    6. SUBTASK 72-41-34-220-675 Examine the HPC Inlet Variable Stator Vane Unison Rings

    1. Refer to Figure.

      2. Visually and dimensionally inspect the repaired area.

      1. Refer to SPM TASK 70-31-02-310-501-001, SUBTASK 70-31-02-220-002.

    7. SUBTASK 72-41-34-230-199 Do a Crack Test

      1. Do a local penetrant crack test on the repaired area.

      1. Refer to SPM TASK 70-23-05-230-501.

      4. Cracks are not permitted.

    8. SUBTASK 72-41-34-350-202 Identify the Repair

      1. Mark VRS6544/ and the number of repairs adjacent to the part number.

      1. Refer to SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

    9. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added new repair for VRS6544. (15VR839)

Manufacturer Code:06565
Enterprise Name:SAINT-GOBAIN ABRASIVES
BU Name:SAINT-GOBAIN ABRASIVES
P.O. Box:808
City:TROY
State:NY
Zip Code:12181
Country:USA
Phone Number:1-518-266-2200
Fax Number:1-518-266-2342
Internet:www.saintgobain.com
Manufacturer Code:IE304
Enterprise Name:DELETED
BU Name:DELETED,SEE CAGE CODE 0V6W9
Manufacturer Code:K6835
Enterprise Name:MED-LAB LTD
BU Name:MED-LAB LTD
Street:COPELAND ST
City:DERBY
Zip Code:DE1 2PU
Country:GREAT BRITAIN
Phone Number:44-1332-349094
Fax Number:44-1332-371237
Email:sales@med-lab.co.uk
Internet:www.med-lab.co.uk
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:IE304
Supply Number:CoMat 02-121
Type:sp01
Supply Short Name:CoMat 02-121 TEMPORARY MARKER PENCIL/CRAYON
Supply Name:CoMat 02-121 TEMPORARY MARKER PENCIL/CRAYON
Specification Groups:
Doc NumberType
OMAT: 261BEROL VERITHIN (HARD TYPE)
Suppliers:
ManufacturerRemarks
IE304
K5720
K6835
LOCAL
Manufacturer Code:LOCAL
Supply Number:CoMat 03-366
Type:sp01
Supply Short Name:CoMat 03-366 WELDING FILLER WIRE
Supply Name:CoMat 03-366 WELDING FILLER WIRE
Specification Groups:
Doc NumberType
AMS 4956TI 6-4
Suppliers:
ManufacturerRemarks
LOCAL
2R602
3G172
58401
Manufacturer Code:K6835
Supply Number:CoMat 05-106
Type:sp01
Supply Short Name:CoMat 05-106 ABRASIVE STONE
Supply Name:CoMat 05-106 ABRASIVE STONE
Specification Groups:
Doc NumberType
(SS-S-736/2/26) (A-A-3068/2-26)SQUARE FINE SS-S-736 TYPE II CLASS A1
Suppliers:
ManufacturerRemarks
K6835
KC1D9
Manufacturer Code:44197
Supply Number:CoMat 05-111
Type:sp01
Supply Short Name:CoMat 05-111 EMERY POLISHING PAPER
Supply Name:CoMat 05-111 EMERY POLISHING PAPER
Specification Groups:
Doc NumberType
FEPA GRIT SIZE P280 OR P240 EMERY POLISHING PAPER OR ALUMINUM OXIDE ABRASIVE PAPER
Suppliers:
ManufacturerRemarks
44197
K6835
KC1D9
LOCAL
Manufacturer Code:X222X
Supply Number:CoMat 06-063
Type:sp01
Supply Short Name:CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY)
Supply Name:CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐063 letter suffix material with other CoMat 06‐063 letter suffix materials. Where CoMat 06‐063 is specified with no suffix, use one of the CoMat 06‐063 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:X222X
Supply Number:CoMat 06-064
Type:sp01
Supply Short Name:CoMat 06-064FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY)
Supply Name:CoMat 06-064 FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐064 letter suffix material with other CoMat 06‐064 letter suffix materials.Where CoMat 06‐064 is specified with no suffix, use one of the CoMat 06‐064 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Standard workshop tools
Tool Name:Standard workshop tools
Link not Found
Manufacturer Code:LOCAL
Tool Number:Welding equipment
Tool Name:Welding equipment
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment