TASK 72-50-33-300-036 LPT Stage 7 Rotating Airseal - Weld Repair Knife Edge Seals, Repair-036 (VRS4004)

DMC:V2500-A0-72-50-3307-02A-627A-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 72-50-33-300-036 LPT Stage 7 Rotating Airseal - Weld Repair Knife Edge Seals, Repair-036 (VRS4004)

Effectivity

FIG/ITEM

PART NO.

01-010

3A1741

01-010

3A2522

Material of component

PART IDENT

SYMBOL

MATERIAL

Stage 7 turbine airseal

MTS1103A/WASPALOY

General

Price and availability - none

After completion of the repair, abrasive coating on the seal fins must be restored, refer to VRS4087 TASK 72-50-33-300-040 (REPAIR-040). Rebalancing of the airseal will be carried out after restoration of the abrasive coating, refer to VRS4057 TASK 72-50-33-300-038 (REPAIR-038).

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

Repair Facilities

The Source Demonstration requirements of this repair means that any facility not authorized to accomplish this repair 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
06108
USA
Attn: Manager Repair Services
Authorized Repair Vendors for Repair VRS4004 TASK 72-50-33-300-036 (REPAIR-036) are listed below:
MTU AERO ENGINES GMBH
Dachauer Strasse 665
80995 Muenchen
Germany
MTU MAINTENANCE GMBH
Muenchner Strasse 31
30855 Langenhagen
Germany
The designation by IAE of an authorized repair vendor indicates
that the repair vendor has demonstrated the necessary capability to
enable him to carry out the listed repair work. However, IAE make
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 IA is listed as the
repair vendor. Authorized repair vendors do not act as agents or representatives
of IAE.
NOTE
For equipment and materials necessary to do this repair
refer to the SPM TASK 70-09-00-400-501, SPM TASK 70-11-34-300-503, SPM TASK 70-12-06-120-501, SPM TASK 70-23-05-230-501, SPM TASK 70-31-04-310-501 and
SPM TASK 70-31-13-310-501.
Preliminary Requirements
Pre-Conditions
NONE
Support Equipment
NONE
Consumables, Materials and Expendables
NONE
Spares
NONE
Safety Requirements
NONE
Procedure
    Figure: Dimensions and areas for stage 7 turbine
airseal fin weld repair
    Sheet 1
    Legend
    Dimensions and areas for stage 7 turbine airseal fin
weld repair
    Sheet 1
    Close
    Figure: Dimensions and areas for stage 7 turbine
airseal fin weld repair
    Sheet 2
    Legend
    Dimensions and areas for stage 7 turbine airseal fin
weld repair
    Sheet 2
    Close
Requirements After Job Completion
Follow-On Conditions
NONE