TASK 72-50-00-300-004 LPT Stage 6 Inner Air Seal - Plasma Spray The Snap Diameter, Repair-004 (VRS4021)

DMC:V2500-A0-72-50-0021-00A-609A-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 72-50-00-300-004 LPT Stage 6 Inner Air Seal - Plasma Spray The Snap Diameter, Repair-004 (VRS4021)

Effectivity

FIG/ITEM PART NO.

01-240

3A0078

01-240

3A3063

Material of component

PART IDENT

SYMBOL

MATERIAL

Stage 6 turbine inner air seal

-

Inconel 718

General

Price and availability - none

The practices and processes referred to in the procedure by the TASK number 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 VRS4021 TASK 72-50-00-300-004 (REPAIR-004)
are listed below:
MTU AERO ENGINES GMBH
Dachauer Strasse 665 
80995 Munchen
Germany
MTU MAINTENANCE
Munchner Strasse 31
30855 Langenhagen
Germany
The designation by IAE of an authorized repair vendor indicates
that the repair vendor has demonstrated the necessary capabilty 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 the repair work,
and accepts no responsibility whatsoever or 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 respresentatives
of IAE.
Preliminary Requirements
Pre-Conditions
NONE
Support Equipment
NONE
Consumables, Materials and Expendables
NONE
Spares
NONE
Safety Requirements
NONE
Procedure
    1. SUBTASK 72-50-00-220-102 Do a Post Repair Inspection
      1. Examine the machined areas dimensionally.
      1. Refer to Figure.
      2. Examine the coating.
      1. Refer to the SPM TASK 70-34-03-340-501.
    2. SUBTASK 72-50-00-350-066 Do a Post Repair
      1. Rebalance the stage 6 turbine inner airseal.
      1. Refer to VRS4027 TASK 72-50-00-300-006 (REPAIR-006).
    3. Figure: Repair Details and Dimensions
    Repair Details and Dimensions
Requirements After Job Completion
Follow-On Conditions
NONE