TASK 72-41-12-840-001 HPC Stage 9 - 12 Drum Disk - Rework To Increase The Service Life, Rework-001 - SBE 72-0069

DMC:V2500-A1-72-41-1201-00A-933A-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

V2500-A1

Common Information

TASK 72-41-12-840-001 HPC Stage 9 - 12 Drum Disk - Rework To Increase The Service Life, Rework-001 - SBE 72-0069

Effectivity

FIG/ITEM PART NO.

01-600

2A2100

01-600

2A2200

01-600

2A2600

General

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

Refer to the indicated Service Bulletin for specific application requirements.

To get the increased in the cycle life limit, the modification specified in the Service Bulletin must be performed before the stage 9 to 12 disk assembly reaches 5000 cycles.

Repair Facilities

The Source Demonstration requirements of this rework means that any facility not authorized to accomplish this rework either utilize the Authorized Repair Vendors listed below or contact IAE Technical Services to determine if a qualification program can be initiated at their facility.

IAE - INTERNATIONAL AERO ENGINES AG
400 Main Street
East Hartford
CT 06108 USA

ATTN: Director Technical Service

Authorized Rework Vendors for the bulletin are listed below:

MTU Maintenance GmbH
Airport Hannover
Munchner Strasse 31
30855 Langenhagen 7
Germany

ATTN: Program Manager, V2500

AVIALL
Ryder Systems, Inc
Airline Services Division
3412 Putnam Street
Dallas, Texas 75235 USA

The designation by IAE of an authorized rework vendor indicates that the repair vendor has demonstrated the necessary capability to enable it to carry out the listed rework. However, IAE makes no warranties or representations concerning the qualifications or quality standards of the repair vendors to carry out the rework, and accepts no responsibility whatsoever for any work that may be carried out by a repair vendor, other than when IAE is listed as the rework vendor. Authorized rework vendors do not act as agents or representatives of IAE.

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-032 CAST STEEL SHOT, S17042736CoMat 05-032
CoMat 05-033 CAST STEEL SHOT DELETED0AM53CoMat 05-033

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-12-350-060 Send the Stage 9 to 12 Disk Assembly to the Approved Vendor

      1. Send the 2A2100, 2A2200 or 2A2600 stage 9 to 12 disk assembly to the approved vendor for the modification.

      2. Refer to the Repair Facilities for the address of the approved vendor.

    1. SUBTASK 72-41-12-320-056 Machine the Stage 12 Inner Flange

      1. Set-up and machine the 20 slots on the stage 12 inner flange at the locations given in the figure.

      2. Refer to Figure and Figure requirements.

    1. SUBTASK 72-41-12-350-061 Abrasive Finish the Slot Edges

      1. Abrasive finish the edge of the slots.

      2. Refer to Figureand Figure requirements.

        Do the procedure given in the SPM TASK 70-35-19-350-501.

    1. SUBTASK 72-41-12-320-057 Machine the Stage 9 Disk

      1. Set-up and machine the stage 9 disk at the locations given in the figure.

      2. Refer to Figure,Figure and Fig.

        Figurerequirements.

    1. SUBTASK 72-41-12-380-055 Shot Peen the Disk Assembly

      1. Shot peen the disk assembly to an intensity of 6A with a hardness of 45 to 55 HRC.

      2. Refer to Figure,Figure and Fig.

        Figure requirements.

        Unless differently specified all other areas are optional and do not have to be complete.

        No mask is permitted on the optional areas.

        Overspray is permitted.

    1. SUBTASK 72-41-12-350-062 Balance Check the Disk Assembly

      1. Do a balance check on the disk assembly as follows.

      2. Refer to Figurerequirements.

    2. Install the disk assembly on Diameters A and B.

    3. Turn the disk assembly at 900 RPM.

    4. Make sure that the dynamic unbalance measured in Plane AX is not more than 0.500 oz in. (360 g mm).

    5. Make sure that the dynamic unbalance measured in Plane AV is not more than 0.500 oz in. (360 g mm).

      1. NOTE

        Get the necessary tooling to do the balance procedure from your IAE representative.

        Correct any unbalance, that is not in the limit, by removal of material.

      2. Refer to Figurerequirements.

        The surface must be smooth and continuous after the material is removed.

    6. NOTE

      It is not necessary to shot peen the disk after the removal of the material.
    1. SUBTASK 72-41-12-350-063 Identify the Stage 9 to 12 Disk Assembly

      1. Mark the new part number adjacent to the part number that was there before. Mark the letters Assy after the part number.

      2. NUMBER BEFORE: 2A2100.

        NEW NUMBER: 2A3400 Assy.

        NUMBER BEFORE: 2A2200.

        NEW NUMBER: 2A3300 Assy.

        NUMBER BEFORE: 2A2600.

        NEW NUMBER: 2A3500 Assy.

        Refer to Figure requirements.

        Do the procedure given in the SPM TASK 70-09-00-400-501 and use the vibration peen method.

    1. SUBTASK 72-41-12-440-051 Assemble the Stage 9 to 12 Disk Assembly

    2. Replace the Stage 9 to 12 disk assembly 2A2100, 2A2200 or 2A2600 with the applicable part as follows:

    3. Replace the 2A2100 with a 2A3400 (1 off).

    4. Replace the 2A2200 with a 2A3300 (1 off).

    5. Replace the 2A2600 with a 2A3200 (1 off) or 2A3500 (1 off).

  1. Figure: Rework of the stage 9 to 12 disk assembly (Datum locations)

    Sheet 1

    Legend
    Rework of the stage 9 to 12 disk assembly (Datum locations)

    Sheet 1

    Close

    Figure: Rework of the stage 9 to 12 disk assembly (Machine the stage 12 disk scallops)

    Sheet 2

    Legend
    Rework of the stage 9 to 12 disk assembly (Machine the stage 12 disk scallops)

    Sheet 2

    Close

    Figure: Rework of the stage 9 to 12 disk assembly (Shot peen the stage 12 disk scallops)

    Sheet 3

    Legend
    Rework of the stage 9 to 12 disk assembly (Shot peen the stage 12 disk scallops)

    Sheet 3

    Close

    Figure: Rework of the stage 9 to 12 disk assembly (Machine the stage 9 disk)

    Sheet 4

    Legend
    Rework of the stage 9 to 12 disk assembly (Machine the stage 9 disk)

    Sheet 4

    Close

    Figure: Rework of the stage 9 to 12 disk assembly (Machine the stage 9 disk)

    Sheet 5

    Legend
    Rework of the stage 9 to 12 disk assembly (Machine the stage 9 disk)

    Sheet 5

    Close

    Figure: Rework of the stage 9 to 12 disk assembly (Shot peen the stage 9 disk)

    Sheet 6

    Legend
    Rework of the stage 9 to 12 disk assembly (Shot peen the stage 9 disk)

    Sheet 6

    Close

    Figure: Balance the stage 9 to 12 disk assembly

    Balance the stage 9 to 12 disk assembly

Requirements After Job Completion

Follow-On Conditions

NONE
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:42736
Enterprise Name:NATIONAL METAL ABRASIVE INC.
BU Name:NATIONAL METAL ABRASIVE INC.
Street:142 Auble Street
P.O. Box:150
City:Wadsworth
State:Ohio
Zip Code:44281
Country:USA
Phone Number:+1-330-334-1566
Fax Number:+1-330-334-1456
Manufacturer Code:55807
Supply Number:CoMat 05-032
Type:sp01
Supply Short Name:CoMat 05-032 CAST STEEL SHOT, S170
Supply Name:CoMat 05-032 CAST STEEL SHOT, S170
Specification Groups:
Doc NumberType
AMS 2431/1 ASR 170
Suppliers:
ManufacturerRemarks
55807
Manufacturer Code:0AM53
Supply Number:CoMat 05-033
Type:sp01
Supply Short Name:CoMat 05-033 CAST STEEL SHOT DELETED
Supply Name:CoMat 05-033 CAST STEEL SHOT DELETED
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
0AM53