TASK 72-31-12-300-005 LPC Fan Disk - Repair The Surface Damage, Repair 005(VRS1155)

DMC:V2500-A0-72-31-1201-01A-649A-C|Issue No:002.00|Issue Date:2015-08-01

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 72-31-12-300-005 LPC Fan Disk - Repair The Surface Damage, Repair 005(VRS1155)

Effectivity

FIG/ITEM

PART NO.

01-200

5A0269

01-200

5A0337

01-200

5A1757

01-200

5A1948

Material of component

DESCRIPTION

SYMBOL

MATERIAL

Stage 1 fan disk

-

Titanium alloy

General

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

Price and availability - not applicable

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent penetrant inspection equipment
Hand grinderLOCALHand grinder
Electronic etch setLOCALElectronic etch set
Vibrating marking pencilLOCALVibrating marking pencil

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-019 WATERPROOF SILICON CARBIDELOCALCoMat 05-019
CoMat 05-020 WATERPROOF SILICON CARBIDELOCALCoMat 05-020
CoMat 05-021 WATERPROOF SILICON CARBIDE44197CoMat 05-021
CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY)LOCALCoMat 06-022

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-31-12-350-054 Remove the Damage from the Stage 1 Fan Disk Assembly

    1. CAUTION

      WHEELS, STONES AND ABRASIVE PAPER USED FOR DRESSING, BLENDING OR POLISHING OF TITANIUM COMPONENTS MUST BE OF SILICON CARBIDE TYPE. ALUMINUM OXIDE TYPES MUST NOT BE USED. IF MECHANICAL CUTTERS ARE USED, ONLY LIGHT CUTS MUST BE MADE TO AVOID OVERHEATING.
      VERY LIGHT FRETTING AND/OR STAINING CAN BE REMOVED BY POLISHING, PROVIDED METAL REMOVED DOES NOT EXCEED LIMITS DETAILED IN THE APPLICABLE INSPECTION/CHECK, PAGE BLOCK 801.
      DRESSING MUST BE RESTRICTED TO LOCAL REMOVAL OF RAISED METAL AS FAR AS POSSIBLE. RAISED METAL MUST NOT REMAIN AFTER DRESSING.

      Refer to Figure.

      2. Dress the damaged areas of the teeth.

      1. Use hand grinder and abrasive stones.

      3. Polish the dressed area.

        1. Use hand grinder and abrasive stone.

        1. The surface finish of the repaired area must be the same as the adjacent area.

    2. SUBTASK 72-31-12-230-055 Examine the Stage 1 Fan Disk Assembly

      1. Fluorescent penetrant examine the repaired area of the curvic teeth.

        1. Cracks are not permitted.

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

        3. Refer to TASK 72-31-12-200-000 (INSPECTION/CHECK-000).

        4. Use fluorescent penetrant inspection equipment.

    3. SUBTASK 72-31-12-220-070 Examine the Stage 1 Fan Disk Assembly

    1. Refer to Figure.

      2. Visually and dimensionally examine the repaired area of the curvic teeth.

      1. Refer to TASK 72-31-12-200-000 (INSPECTION/CHECK-000).

    4. SUBTASK 72-31-12-350-055 Mark the Repair Number on the Stage 1 Fan Disk Assembly

      1. Mark VRS1155 adjacent to the part number.

        1. Use electronic etch set.

        1. Refer to the SPM TASK 70-09-02-400-501.

        2. Marking data: 1/10 to 1 sec AC current or use vibro engraving equipment. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

    5. Figure: Repair Details and Dimensions

    Sheet 1

    Legend
    Repair Details and Dimensions

    Sheet 1

    Close

    Figure: Repair Details and Dimensions

    Sheet 2

    Legend
    Repair Details and Dimensions

    Sheet 2

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added PN 5A1948 to the effectivity table. (89VJ799D)

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:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:1E1X8
Supply Number:CoMat 05-019
Type:sp01
Supply Short Name:CoMat 05-019 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-019 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/31 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 400 (ANSI B74.18)
JCR-184 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
LOCAL
K6835
Manufacturer Code:1E1X8
Supply Number:CoMat 05-020
Type:sp01
Supply Short Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-020 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/33 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 320 (ANSI B74.18)
JCR-027 (JAEC REF)
JCR-186 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
LOCAL
K6835
Manufacturer Code:1E1X8
Supply Number:CoMat 05-021
Type:sp01
Supply Short Name:CoMat 05-021 WATERPROOF SILICON CARBIDE
Supply Name:CoMat 05-021 WATERPROOF SILICON CARBIDE
Specification Groups:
Doc NumberType
OMAT: 5/35 (RR REF)WATERPROOF SILICON CARBIDE ABRASIVE PAPER, CAMI GRIT DESIGNATION 240 (ANSI B74.18 )
JCR-188 (JAEC REF)
Suppliers:
ManufacturerRemarks
1E1X8
K6835
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:Electronic etch set
Tool Name:Electronic etch set
Manufacturer Code:LOCAL
Tool Number:Fluorescent penetrant inspection equipment
Tool Name:Fluorescent Penetrant Inspection Equipment
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