TASK 72-41-12-300-016 HPC Stage 9 - 12 Drum Disk - Blend Repair On The Front Face, Repair-016 (VRS6087)

DMC:V2500-A0-72-41-1201-01A-649A-C|Issue No:003.00|Issue Date:2020-02-01

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 72-41-12-300-016 HPC Stage 9 - 12 Drum Disk - Blend Repair On The Front Face, Repair-016 (VRS6087)

Effectivity

FIG/ITEM

PART NO.

01-600

6A4131

Assembly A

01-600

6A4156

Assembly B

01-600

6A6546

Assembly C

01-600

6A7545

Assembly A

01-600

6A7546

Assembly C

01-600

6A7547

Assembly B

01-600

6A7574

Assembly A

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor stage 9 to 12

disks assembly

QMP

52 percent Nickel,

19 percent Chromium,

18 percent Iron and

5 percent Niobium

General

This Repair must only be done when the instruction to do so is given in TASK 72-41-12-200-000 (INSPECTION-000).

This Repair permits the removal of damaged material from the Zone(s) identified on the front face of the HP Compressor stage 9 to 12 disks assembly.

The shotpeened part of this repair requires to be source demonstrated and can only be done by approved vendors. The shotpeen areas of this repair are "Peening Critical" areas.

This Repair can only be done six times in each of the Zone(s) identified on the front face of the HP Compressor stage 9 to 12 disks assembly.

Local areas of damage (nicks and scratches), up to 0.005 in. (0.127 mm) in depth, may be removed.

Do not discard this component part, until contact is made with the Manager Repair Services at International Aero Engines.

Price and availability.

Refer to International Aero Engines.

Related repairs - none.

Preliminary Requirements

Pre-Conditions

Action/ConditionData Module/Technical Publication
Make sure that all cleaning and inspection procedures are done before this repair.

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
IAE 3R19134 Almen test strip0AM53IAE 3R19134
IAE 3R19163 Dummy Disk0AM53IAE 3R19163
IAE 3R19163 Dummy Disk0AM53IAE 3R191631
IAE 3R19164 Dummy Shaft0AM53IAE 3R191641
IAE 3R19167 Fixture0AM53IAE 3R191671
IAE 3R19168 Fixture0AM53IAE 3R191681
IAE 3R19199 Dummy Shaft0AM53IAE 3R191991
IAE 3R19200 Fixture0AM53IAE 3R192001

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. Repair Facilities

    1. Only the shot peening part of this Repair requires Source Demonstration. This means that any facility not authorized to shot peen, either utilize the Authorized Repair Vendors listed below or contact the IAE Repair Services Group to determine if a qualification program can be initiated at their facility.

      IAE International Aero Engines AG

      400 Main Street

      M/S 121-10

      East Hartford CT 06118

      U.S.A.

      Attn: Manager Technical Services

      2. Authorized Repair Vendors for the shot peening portion of VRS6087 are listed below:

        METAL IMPROVEMENT COMPANY INC.

        DERBY DIVISION (UK)

        ASCOT DRIVE

        DERBY DE2 8ST

        ENGLAND

        METAL IMPROVEMENT COMPANY INC.

        145 ADDISON ROAD

        WINDSOR

        CONNECTICUT

        CT06095

        U.S.A.

        ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO. LTD.

        229 TONOGAYA, MIZUHO-MACHI

        NISHITAMA-GUN

        TOKYO 190-1292

        JAPAN

        Christchurch Engine Center (CHCEC)

        115 Orchard Road

        Christchurch International Airport

        Christchurch 8051

        New Zealand

      1. The designation by IAE of an Authorized Repair Vendor indicates that the Repair Vendor has demonstrated the necessary capability to enable it to carry out the listed repair work. However, IAE makes no warranties or representations concerning the qualifications or quality standards of the Repair Vendors to carry out the repair work, 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 Repair Vendor. Authorized Repair Vendors do not act as agents or representatives of IAE.

    2. SUBTASK 72-41-12-220-206-A00 Make Sure the Assembly A can be Repaired

      2. Visually examine the HP Compressor stage 9 to 12 disks assembly, to tell you if shot peening has been done before in the Zone(s) of the front face.

      1. If the assembly has been shot peened once before, in any Zone, during repair, the assembly will be identified VRS6087/AA and/or /AB.

      2. You cannot repair the HP Compressor Stage 9 to 12 disks assembly again if the damaged Zone or Zones has been repaired six times before and the assembly is identified VRS6087/AA5 and/or /AB5.

      3. If damage is shown on the Zone(s) of the front face, the minimum section thickness and radius must be maintained after material removal.

      1. See Figure, Figure and Figure.

      2. Reject the assembly if the minimum section thickness and radius will be reduced after material removal.

      4. If damage is shown on the location diameter(s) at AE, measure the dimensions of the location diameters.

      1. See Figure and Figure.

      2. Reject the assembly if the location diameter(s) AE, will be more than the limits given after material removal.

      5. If damage is shown on surface(s) identified AF, AN and/or AR.

      1. Reject, refer to 3. General.

    3. SUBTASK 72-41-12-220-206-B00 Make Sure the Assembly B can be Repaired

      2. Visually examine the HP Compressor Stage 9 to 12 disks assembly, to tell you if shot peening has been done before in the Zone(s) of the front face.

      1. If the assembly has been shot peened once before, in any Zone, during repair, the assembly will be identified VRS6087/AA and/or /AB.

      2. You cannot repair the HP Compressor Stage 9 to 12 disks assembly again if the damaged Zone or Zones has been repaired six times before and the assembly is identified VRS6087/AA5 and/or /AB5.

      3. If damage is shown on the Zone(s) of the front face, the minimum section thickness and radius must be maintained after material removal.

      1. See Figure, Figure and Figure.

      2. Reject the assembly if the minimum section thickness and radius will be reduced after material removal.

      4. If damage is shown on the location diameter(s) at AE, measure the dimensions of the location diameters.

      1. See Figure, Figure and Figure.

      2. Reject the assembly if the location diameter(s) AE, will be more than the limits given after material removal.

      5. If damage is shown on surface(s) identified AF, AN and/or AR.

      1. Reject, refer to 3. General.

    4. SUBTASK 72-41-12-220-206-C00 Make Sure the Assembly C can be Repaired

      2. Visually examine the HP Compressor stage 9 to 12 disks assembly, to tell you if shot peening has been done before in the Zone(s) of the front face.

      1. If the assembly has been shot peened once before, in any Zone, during repair, the assembly will be identified VRS6087/AA and/or /AB.

      2. You cannot repair the HP Compressor stage 9 to 12 disks assembly again if the damaged Zone or Zones has been repaired six times before and the assembly is identified VRS6087/AA5 and/or /AB5.

      3. If damage is shown on the Zone(s) of the front face, the minimum section thickness and radius must be maintained after material removal.

      1. See Figure, Figure and Figure.

      2. Reject the assembly if the minimum section thickness and radius will be reduced after material removal.

      4. If damage is shown on the location diameter(s) at AE, measure the dimensions of the location diameters.

      1. See Figure and Figure.

      2. Reject the assembly if the location diameter(s) AE, will be more than the limits given after material removal.

      5. If damage is shown on surface(s) identified AF, AN and/or AR.

      1. Reject, refer to Paragraph.

    5. SUBTASK 72-41-12-350-143-A00 Remove the Damaged Area(s), Assembly A

      2. NOTE

        Keep material removal to the larger limit of 0.750in. (19.05 mm), or 100 X D.

        Remove the damaged material, from the Zone(s) on the front face, as necessary. Do not remove more than is necessary.

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

      2. Remove material to two times the depth of damage, up to a maximum of 0.010 in. (0.254 mm) material removed.

      3. Make smooth the repaired area(s).

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

      2. Make sure all damage marks are completely removed and the area(s) made smooth into the adjacent material.

      3. Remove sharp corners.

      4. Polish the repaired area(s).

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

      2. Polish the repaired area(s) to remove the scratches and to give a smooth surface finish.

    6. SUBTASK 72-41-12-350-143-B00 Remove the Damaged Area(s), Assembly B

      2. NOTE

        Keep material removal to the larger limit of 0.750 in. (19.05 mm), or 100 X D.

        Remove the damaged material, from the Zone(s) on the front face, as necessary. Do not remove more than is necessary.

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

      2. Remove material to two times the depth of damage, up to a maximum of 0.010 in. (0.254 mm) material removed.

      3. Make smooth the repaired area(s).

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

      2. Make sure all damage marks are completely removed and the area(s) made smooth into the adjacent material.

      3. Remove sharp corners.

      4. Polish the repaired area(s).

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

      2. Polish the repaired area(s) to remove the scratches and to give a smooth surface finish.

    7. SUBTASK 72-41-12-350-143-C00 Remove the Damaged Area(s), Assembly C

    1. NOTE

      Keep material removal to the larger limit of 0.750 in. (19.05 mm), or 100 X D.

      2. Remove the damaged material, from the Zone(s) on the front face, as necessary. Do not remove more than is necessary.

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

      2. Remove material to two times the depth of damage, up to a maximum of 0.010 in. (0.254 mm) material removed.

      3. Make smooth the repaired area(s).

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

      2. Make sure all the damaged marks are completely removed and the area(s) made smooth into the adjacent material.

      3. Remove sharp corners.

      4. Polish the repaired area(s).

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

      2. Polish the repaired area(s) to remove the scratches and to give a smooth surface finish.

    8. SUBTASK 72-41-12-220-207-A00 Examine the Repaired Area(s), Assembly A

      2. Make a visual inspection of the repaired area(s) and measure the depth of the repaired area(s).

      1. Make sure, the minimum section thickness and radius is maintained after material removal.

      2. Make sure the surface finish compares with the adjacent surfaces.

      3. The maximum permitted depth is 0.010 in. (0.254 mm).

    9. SUBTASK 72-41-12-220-207-B00 Examine the Repaired Area(s), Assembly B

      2. Make a visual inspection of the repaired area(s) and measure the depth of the repaired area(s).

      1. Make sure, the minimum section thickness and radius is maintained after material removal.

      2. Make sure the surface finish compares with the adjacent surfaces.

      3. The maximum permitted depth is 0.010 in. (0.254 mm).

    10. SUBTASK 72-41-12-220-207-C00 Examine the Repaired Area(s), Assembly C

      2. Make a visual inspection of the repaired area(s) and measure the depth of the repaired area(s).

      1. Make sure, the minimum section thickness and radius is maintained after material removal.

      2. Make sure the surface finish compares with the adjacent surfaces.

      3. The maximum permitted depth is 0.010 in. (0.254 mm).

    11. SUBTASK 72-41-12-230-148 Do a Crack Test

      1. Do a penetrant crack test of the repaired area(s) by one of the methods that follow.

      1. Do a local penetrant crack test of the repaired area(s) by the SPM TASK 70-23-05-230-501. Use ultra-high sensitivity. No cracks are permitted.

      2. Do a penetrant crack test of the repaired area(s) by TASK 72-41-12-200-000 and applicable part number. No cracks are permitted.

    12. SUBTASK 72-41-12-350-144-A00 Identify the Repair, Assembly A

    1. Refer to Figure, Figure, Figure and Figure.

    2. Vibration peen adjacent to the assembly number. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

    3. If the assembly has been repaired and shotpeened once, identify VRS6087, with the applicable Zone suffix added. For example, for the repair of Zone AA, identify the assembly VRS6087/AA.

    4. If the assembly has been repaired and shotpeened six times, identify VRS6087, with the applicable Zone suffix added. For example, for the repair of Zone AA, identify the assembly, VRS6087/AA5.

    13. SUBTASK 72-41-12-350-144-B00 Identify the Repair, Assembly B

    1. Refer to Figure, Figure, Figure and Figure.

    2. Vibration peen adjacent to the assembly number. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

    3. If the assembly has been repaired and shotpeened once, identify VRS6087, with the applicable Zone suffix added. For example, for the repair of Zone AA, identify the assembly VRS6087/AA.

    4. If the assembly has been repaired and shotpeened six times, identify VRS6087, with the applicable Zone suffix added. For example, for the repair of Zone AA, identify the assembly, VRS6087/AA5.

    14. SUBTASK 72-41-12-350-144-C00 Identify the Repair, Assembly C

    1. Refer to Figure, Figure, Figure and Figure.

    2. Vibration peen adjacent to the assembly number. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

    3. If the assembly has been repaired and shotpeened once, identify VRS6087, with the applicable Zone suffix added. For example, for the repair of Zone AA, identify the assembly, VRS6087/AA.

    4. If the assembly has been repaired and shotpeened six times, identify VRS6087, with the applicable Zone suffix added. For example, for the repair of Zone AA, identify the assembly, VRS6087/AA5.

    15. SUBTASK 72-41-12-380-094-A00 ShotPeen the Repaired Area(s), Assembly A

    1. CAUTION

      DO NOT SHOT PEEN ON AREA(S) IDENTIFIED AD AND AE.

      2. Find the repaired area(s) to be shot peened.

      1. Refer to Step.

      3. Mask the full assembly but for the repaired Zone(s), in the front face, as necessary, which have to be shot peened.

      1. Refer to SPM TASK 70-38-13-380-501.

      2. Mask all identification marks and symbols.

      4. Shotpeen the repaired area(s) in the front face.

      1. Refer to SPM TASK 70-38-13-380-501.

      2. Use IAE 3R19134 Almen test strip 10 off, IAE 3R19163 Dummy Disk 1 off, IAE 3R19164 Dummy Shaft 1 off, IAE 3R19167 Fixture 1 off, IAE 3R19168 Fixture 1 off and/or approved Vendors in 4. Repair Facilities, Para B.

      3. Use S-110, CW-14 or SCW-14 shot size and an intensity of 6A to 9A.

      4. A coverage of 100 percent must be applied.

      5. Use controlled shot peening equipment.

        Shot-Peening Data

        Machine type

        Metal shot-peen

        Process type/mode

        Dry/auto

        Shot type

        Use S-110, CW-14 or SCW-14 shot size and intensity of 6A - 9A

        NOTE

        For information, the table speed, oscillation speed, height, type, air pressure, nozzle type/diameter and work distance may change if different equipment is being used. You must achieve the full coverage and almen intensity.

    5. Make sure all shot is removed from part.

    16. SUBTASK 72-41-12-380-094-B00 ShotPeen the Repaired Area(s), Assembly B

    1. CAUTION

      DO NOT SHOT PEEN ON AREA(S) IDENTIFIED AD AND AE.

      2. Find the repaired area(s) to be shot peened.

      1. Refer to Step.

      3. Mask the full assembly but for the repaired Zone(s), in the front face, as necessary, which have to be shot peened.

      1. Refer to SPM TASK 70-38-13-380-501.

      2. Mask all identification marks and symbols.

      4. Shotpeen the repaired area(s) in the front face.

      1. Refer to SPM TASK 70-38-13-380-501.

      2. Use IAE 3R19134 Almen test strip 10 off, IAE 3R19163 Dummy Disk 1 off, IAE 3R19164 Dummy Shaft 1 off, IAE 3R19167 Fixture 1 off, IAE 3R19168 Fixture 1 off and/or approved Vendors in 4. Repair Facilities, Para B.

      3. Use S-110, CW-14 or SCW-14 shot size and an intensity of 6A to 9A.

      4. A coverage of 100 percent must be applied.

      5. Use controlled shot peening equipment.

        Shot-Peening Data

        Machine type

        Metal shot-peen

        Process type/mode

        Dry/auto

        Shot type

        Use S-110, CW-14 or SCW-14 shot size and intensity of 6A - 9A

        NOTE

        For information, the table speed, oscillation speed, height, type, air pressure, nozzle type/diameter and work distance may change if different equipment is being used. You must achieve the full coverage and almen intensity.

    5. Make sure all shot is removed from part.

    17. SUBTASK 72-41-12-380-094-C00 ShotPeen the Repaired Area(s), Assembly C

    1. CAUTION

      DO NOT SHOT PEEN ON AREA(S) IDENTIFIED AD AND AE.

      CAUTION

      2. Find the repaired area(s) to be shot peened.

      1. Refer to Step.

      3. Seal the full assembly but for the repaired Zone(s), in the front face, as necessary, which have to be shot peened.

      1. Refer to SPM TASK 70-38-13-380-501.

      2. Mask all identification marks and symbols.

      4. Shotpeen the repaired area(s) in the front face.

      1. Refer to SPM TASK 70-38-13-380-501.

      2. Use IAE 3R19134 Almen test strip 11 off, IAE 3R19163 Dummy Disk 1 off, IAE 3R19167 Fixture 1 off, IAE 3R19199 Dummy Shaft 1 off, IAE 3R19200 Fixture 1 off and/or approved Vendors in 4. Repair Facilities, Para B.

      3. Use S-110, CW-14 or SCW-14 shot size and an intensity of 6A to 9A.

      4. A coverage of 100 percent must be applied.

      5. Use controlled shot peening equipment.

        Shot-Peening Data

        Machine type

        Metal shot-peen

        Process type/mode

        Dry/auto

        Shot type

        Use S-110, CW-14 or SCW-14 shot size and intensity of 6A - 9A

        NOTE

        For information, the table speed, oscillation speed, height, type, air pressure, nozzle type/diameter and work distance may change if different equipment is being used. You must achieve the full coverage and almen intensity.

    5. Make sure all shot is removed from part.

    18. SUBTASK 72-41-12-220-209-A00 Examine the Shot Peened Area(s), Assembly A

      2. Make a visual inspection of the shot peened area(s).

      1. Refer to Approved Vendors in 4. Repair Facilities, Para. B.

    19. SUBTASK 72-41-12-220-209-B00 Examine the Shot Peened Area(s), Assembly B

      2. Make a visual inspection of the shot peened area(s).

      1. Refer to Approved Vendors in 4. Repair facilities, Para. B.

    20. SUBTASK 72-41-12-220-209-C00 Examine the Shot Peened Area(s), Assembly C

      2. Make a visual inspection of the shot peened area(s).

      1. Refer to Approved Vendors in 4. Repair facilities, Para. B.

    21. Figure: Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Figure: Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Figure: Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Figure: Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Figure: Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Figure: Repair details and dimensions - Assembly A

    Repair details and dimensions - Assembly A

    Figure: Repair details and dimensions - Assembly B

    Repair details and dimensions - Assembly B

    Figure: Repair details and dimensions - Assembly C

    Repair details and dimensions - Assembly C

    Figure: Repair details and dimensions - Assembly A, Assembly B and Assembly C

    Repair details and dimensions - Assembly A, Assembly B and Assembly C

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Updated repair procedure. (18VG418)

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:0AM53
Tool Number:IAE 3R19134
Tool Name:IAE 3R19134 Almen test strip
Manufacturer Code:0AM53
Tool Number:IAE 3R19163
Tool Name:IAE 3R19163 Dummy Disk
Manufacturer Code:0AM53
Tool Number:IAE 3R19164
Tool Name:IAE 3R19164 Dummy Shaft
Manufacturer Code:0AM53
Tool Number:IAE 3R19167
Tool Name:IAE 3R19167 Fixture
Manufacturer Code:0AM53
Tool Number:IAE 3R19168
Tool Name:IAE 3R19168 Fixture
Manufacturer Code:0AM53
Tool Number:IAE 3R19199
Tool Name:IAE 3R19199 Dummy Shaft
Manufacturer Code:0AM53
Tool Number:IAE 3R19200
Tool Name:IAE 3R19200 Fixture