TASK 72-50-33-300-047 LPT Stage 5 Rotating Airseal - Plasma Spray The Knife Edge Seals, Repair-047 (VRS4388)

DMC:V2500-A0-72-50-3305-03A-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 72-50-33-300-047 LPT Stage 5 Rotating Airseal - Plasma Spray The Knife Edge Seals, Repair-047 (VRS4388)

Effectivity

FIG/ITEM

PART NO.

01-100

3A2423

Material of component

PART IDENT

SYMBOL

MATERIAL

Stage 5 turbine airseal

IN 100 Powder Metal

General

Price and availability - none

The practices and processes referred to in the procedure by 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
c/o Rolls-Royce Deutschland
Ltd und Co KG
Eschenweg
11
Dahlewitz
15827 Blankenfelde-Mahlow
Germany
ATTN: Manager Technical Services

Authorized Repair Vendors for Repair, VRS4388 TASK 72-50-33-300-047 (REPAIR-047) are listed below:

MTU AERO ENGINES GMBH
Dachauer Strasse 665
80995 Munchen
Germany

The designation by IAE of an authorized repair vendor 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 vendor, other than when IAE is listed as the repair vendor. Authorized repair vendors do not act as agents or representatives of IAE.

NOTE

For more equipment and materials necessary to do this repair, refer to the SPM TASK 70-34-03-340-501.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-33-220-066 Do the Post Repair Inspection

    1. Refer to Figure, Figure or Figure.

      2. Examine the diameter D1 dimensionally.

      1. Use illuminated magnifier.

        Refer to the SPM TASK 70-34-03-340-501.

        In Area A2 missing coating particles of 0.030 in. (0.76 mm) maximum size is permitted if distance between chipped coating areas is 1.000 in. (25.4 mm) minimum.

      3. Examine the coating in area A1 and A2.

      1. Refer to the SPM TASK 70-34-03-340-501.

        Coating quality control in area A3 is not required.

    2. 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

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE