TASK 72-41-31-300-003 HPC Stage 3 Rotor Path Segment - Blend Repair, Repair-003 (VRS6031)

DMC:V2500-A0-72-41-3113-00A-649A-C|Issue No:002.00|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 72-41-31-300-003 HPC Stage 3 Rotor Path Segment - Blend Repair, Repair-003 (VRS6031)

Effectivity

FIG/ITEM PART NO.

01-685

6A3758

Material of component

PART IDENT

SYMBOL

MATERIAL

HP compressor stage 3 rotor path ring segment

LAH

Aluminum alloy

General

This Repair must only be done when the instructions to so is given in TASK 72-41-31-200-000 (INSPECTION-000).

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

Price and availability

Refer to International Areo Engines

Related repairs - none

NOTE

Equivalent materials ore equipment can be used.
More equipment and materials necessary to do this Repair are given in TASKS given below.

NOTE

To indentify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Standard workshop equipmentLOCALStandard workshop equipment
Chemical cleaning equipmentLOCALChemical cleaning equipment
Workshop inspection equipmentLOCALWorkshop inspection equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
CoMat 05-110 EMERY POLISHING PAPER0AM53CoMat 05-110
CoMat 05-111 EMERY POLISHING PAPER06565CoMat 05-111
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-31-230-094 Do a Crack Test

      1. Do a local penetrant crack test on the area(s) to be repaired.

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

        Cracks are not permitted.

    2. SUBTASK 72-41-31-350-052 Remove the Damage

    1. Refer to Figure.

      2. Remove small area(s) of damage as necessary.

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

        The maximum depth to remove the damage must not be more 0.005in. (0.13 mm).

        The repaired are(s) is to be 50 times the depth.

        Use standard workshop equipment, with CoMat 05-106 ABRASIVE STONE and/or CoMat 05-111 EMERY POLISHING PAPER.

      3. Blend the area(s) of repair.

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

        Remove sharp corners.

        Use standard workshop equipment, with CoMat 05-110 EMERY POLISHING PAPER and/or CoMat 05-111 EMERY POLISHING PAPER.

      4. Polish the area(s) of repair.

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

        Use standard workshop equipment, with CoMat 05-110 EMERY POLISHING PAPER and/or CoMat 05-111 EMERY POLISHING PAPER.

        Polish the repaired area(s) to give a surface finish the same as the adjacent material.

    3. SUBTASK 72-41-31-230-095 Do a Crack Test

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

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

        Cracks are not permitted.

    4. SUBTASK 72-41-31-110-096 Chemically Clean

      1. Chemically clean the repaired area(s) to remove the fluorescent pentrant.

      1. Refer to the SPM TASK 70-11-26-300-503.

        Use chemical cleaning equipment.

    5. SUBTASK 72-41-31-220-121 Examine the Repair

    1. Refer to Figure.

      2. Do a visual and dimensional inspection of the repaired area.

      1. Make sure the surface finish is the same as the adjacent material.

        The maximum depth of the repair must not be more than 0.005in. (0.13 mm) and the diameter must not be more than 0.250in ( 6.35 mm).

        Use workshop inspection equipment.

    6. Figure: An example of an area to be repaired

    An example of an area to be repaired

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Corrected the SPM Task number

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:0AM53
Enterprise Name:IAE INTERNATIONAL AERO ENGINES AG
BU Name:NULL
Building:SUITE 400
Street:628 HEBRON AVENUE
City:GLASTONBURY
State:CT
Zip Code:06033
Country:USA
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: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:X111X
Supply Number:CoMat 05-110
Type:sp01
Supply Short Name:CoMat 05-110 EMERY POLISHING PAPER
Supply Name:CoMat 05-110 EMERY POLISHING PAPER
Specification Groups:
Doc NumberType
DISCONTINUED
Suppliers:
ManufacturerRemarks
X111X
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 06-022
Type:sp01
Supply Short Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Supply Name:CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
ARDROX 985-P14 OMAT: 652 (CHEMETALL OAKITE 985-P14)It is not permitted to mix the selected CoMat 06‐022 letter suffix material with other CoMat 06‐022 letter suffix materials. Where CoMat 06‐022 is specified with no suffix, use one of the CoMat 06‐ 022 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
Link not Found
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment