TASK 72-41-31-300-004 HPC Stage 6 Rotor Path Segment - Blend Repair, Repair-004 (VRS6032)

DMC:V2500-A0-72-41-3116-00A-649A-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

All

Common Information

TASK 72-41-31-300-004 HPC Stage 6 Rotor Path Segment - Blend Repair, Repair-004 (VRS6032)

Effectivity

FIG/ITEM PART NO.

01-700

6A3466

01-700

6A3977

01-705

6A4723

01-705

6A5994

01-705

6A7576

Material of component

PART IDENT

SYMBOL

MATERIAL

HP compressor stage 6 rotor path ring segment

EAK or EBL

Corrosion resistant steel

General

This Repair must only be done when the instructions to do so is given in 72-41-31 Inspection/Check-XXX.

This TASK gives the procedure to repair surface damage on the HP compressor stage 6 rotor path ring segment by material removal.

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

Price and availability

Refer to International Aero Engines

Related repair - none

NOTE

Equipment and materials necessary to do this repair are in the SPM TASKs given below.

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.
To identify the consumable materials refer to the Overhaul Processes and Consumables Index (PCI).
Other necessary consumable materials are referred to in the SPM TASKS.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

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

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER06565CoMat 05-074
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
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 72-41-31-230-100 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.

        Use penetrant crack test equipment.

        Cracks are not permitted.

    2. SUBTASK 72-41-31-350-055 Remove the Damage

    1. Refer to Figure.

      2. Remove and blend 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 than 0.005 in. (0.13 mm).

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

        Make sure a smooth blend into the adjacent material.

        Use standard workshop equipment.

      3. Polish the area(s) of repair.

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

        Use standard workshop equipment.

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

    3. SUBTASK 72-41-31-220-283 Examine the Repair

    1. Refer to Figure.

      2. Do a visual and dimensional inspection.

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

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

        Use workshop inspection equipment.

    4. SUBTASK 72-41-31-110-100 Do a Swab Etch

      1. Chemically clean the part.

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

        Use chemical cleaning equipment.

      2. Swab etch the repaired area(s).

      1. Refer to the SPM TASK 70-11-39-300-503, SUBTASK 70-11-39-300-001.

        Use chemical cleaning equipment.

    5. SUBTASK 72-41-31-220-222 Binocular Examine

      1. Binocular examine the repaired area(s).

      1. Use X10 binoculars.

        Indications of surface defects are not permitted.

        Make sure that there is no raised metal remaining.

    6. SUBTASK 72-41-31-230-101 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.

        Use Comat 06-022 fluorescent penetrant (post-emulsified ultra high sensitivity).

        Use penetrant crack test equipment.

        Cracks are not permitted.

    7. SUBTASK 72-41-31-110-101 Chemically Clean

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

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

        Use chemical cleaning equipment.

    8. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
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: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:44197
Supply Number:CoMat 05-074
Type:sp01
Supply Short Name:CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER
Supply Name:CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER
Specification Groups:
Doc NumberType
ANSI/CAMI GRIT SIZE 180 ALUMINIUM OXIDE ABRASIVE PAPER
Suppliers:
ManufacturerRemarks
44197
K6835
LOCAL
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 06-022
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