TASK 72-41-33-300-010 HPC Stage 4 Variable Stator Vane Shroud Half Seal - Blend Repair, Repair-010 (VRS6277)

DMC:V2500-A0-72-41-3324-00A-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 72-41-33-300-010 HPC Stage 4 Variable Stator Vane Shroud Half Seal - Blend Repair, Repair-010 (VRS6277)

Effectivity

FIG/ITEM PART NO.

03-150

6A1427

Material of component

DESCRIPTION SYMBOL MATERIAL

HP compressor stage

LJH

RR58 Aluminium alloy

4 seal half ring

General

This Repair must only be done when the instruction to do so is given in 72-41-33 Inspection/Check.

This Repair has been issued for the HP compressor stage 4 seal half ring.

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 repairs - none

NOTE

More equipment and materials necessary to do this Repair are in the SPM TASKS given below:
TASK 70-23-01-230-501
TASK 70-23-03-230-501
TASK 70-35-03-300-501
TASK 70-38-02-300-503

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Workshop inspection equipmentLOCALWorkshop inspection equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUMLOCALCoMat 01-275
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
CoMat 05-110 EMERY POLISHING PAPER0AM53CoMat 05-110
CoMat 05-111 EMERY POLISHING PAPER06565CoMat 05-111

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-33-230-068-001 Examine the Stage 4 Seal Half Ring for Cracks

      1. Do the penetrant crack test.

      1. Refer to the SPM TASK 70-23-01-230-501.

        Cracks are not permitted.

    2. SUBTASK 72-41-33-230-068-002 Examine the Stage 4 Seal Half Ring for Cracks

      1. Do the penetrant crack test.

      1. Refer to the SPM TASK 70-23-03-230-501.

        Cracks are not permitted.

    3. SUBTASK 72-41-33-350-074 Remove the Damage

    1. Refer to Figure.

      2. Remove the damage.

      1. The diameter of the repaired areas is to be 50 times the depth. The maximum depth of the repaired areas is to be 0.005in. (0.13 mm).

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

      3. Make the damaged area smooth.

      1. Remove all sharp corners and sudden changes of the slope.

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

      4. Polish the area.

      1. Polish the repaired area and the areas made smooth. Make sure all the scratches are removed and the surface finish is the same as the adjacent material.

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

    4. SUBTASK 72-41-33-220-128 Examine the Repair

    1. Refer to Figure.

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

      1. Use workshop inspection equipment.

        Make sure the maximum depth of the repaired area is not more than 0.005in. (0.13 mm).

    5. SUBTASK 72-41-33-230-069-001 Examine the Stage 4 Seal Half Ring for Cracks

      1. Do the penetrant crack test.

      1. Refer to the SPM TASK 70-23-01-230-501.

        Cracks are not permitted.

    6. SUBTASK 72-41-33-230-069-002 Examine the Stage 4 Seal Half Ring for Cracks

      1. Do the penetrant crack test.

      1. Refer to the SPM TASK 70-23-03-230-501.

        Cracks are not permitted.

    7. SUBTASK 72-41-33-380-056 Apply Surface Protection to Repaired Areas as Necessary

    1. Refer to Figure.

      2. Apply surface protection to the repaired areas where the surface protection has been removed.

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

    An example of an area to be repaired

    Figure: Apply the surface protection

    Apply the surface protection

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: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:00BB6
Supply Number:CoMat 01-275
Type:sp01
Supply Short Name:CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM
Supply Name:CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM
Specification Groups:
Doc NumberType
BONDERITE M-CR-1200S AEROJCR-047 (JAEC REF)
JCR-048 (JAEC REF)SPMC 206 (PW REF)
Suppliers:
ManufacturerRemarks
00BB6
71410
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:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment