TASK 72-41-15-300-030 HPC Stage 8 Rotor Blade - Weld Repair The Airfoil, Repair-030 (VRS9054)

DMC:V2500-A0-72-41-1508-01A-627A-C|Issue No:002.00|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 72-41-15-300-030 HPC Stage 8 Rotor Blade - Weld Repair The Airfoil, Repair-030 (VRS9054)

Effectivity

FIG/ITEM

PART NO.

ASSEMBLY

02-370

6A3249

A

02-370

6A4908

B

02-370

6A5590

A

02-370

6A6464

B

02-370

6A6496

A

02-385

6A3250

A

02-385

6A4909

B

02-385

6A5591

A

02-385

6A6465

B

02-385

6A6497

A

02-400

6A3248C01

A

02-400

6A4910C01

B

02-400

6A5585C01

A

02-400

6A6470C01

B

02-400

6A6495C01

A

02-415

6A3248C01

A

02-415

6A4910C01

B

02-415

6A5585C01

A

02-415

6A6470C01

B

02-415

6A6495C01

A

02-417

6A3248C02

A

02-417

6A4910C02

B

02-417

6A5585C02

A

02-417

6A6470C02

B

02-417

6A6495C02

A

General

This Repair must only be done when the instruction to do so is given in 72-41-15, Inspection/Check.

This repair restores the HP compressor rotor blade, stage 8 tip length by welding.

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

To keep HP compressor efficiency, rotor blades are repaired as near to the new blade condition as possible.

This is a Source Demonstration Repair which can only be done by authorized repair vendors whose personnel have the necessary approvals.

Rotor blades must be repaired as soon as damage or wear is monitored, to get back HP compressor efficiency and extend the rotor blade life.

This repair can be done again to the welded rotor blades if:

The minimum airfoil dimensions are given in 72-41-15, Inspection/Check.

The airfoil surface has been polished up to two times, refer to Repair, VRS6150 TASK 72-41-15-300-040 (REPAIR-040).

Discard blades if, during the weld procedure, arcing has occurred on any part of the blade.

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor Blades Stages 8

TDY

Titanium Alloy

Price and availability - Refer to approved vendor in Step.

Related repairs.

HP Compressor - Stage 7 and 8 - Rotor Blades - The replacement of the flame deposition material. Refer to Repair, VRS6153 TASK 72-41-15-300-034 (REPAIR-034).

HP Compressor - Stages 3 to 12 - Rotor Blades - Restore airfoil surface finish. Refer to Repair, VRS6150 TASK 72-41-15-300-040 (REPAIR-040).

HP Compressor Rotor Blades - Stage 7 to 12 - Shot Peen Root of Blade to Restore Fatigue Strength. Refer to Repair, VRS6152 TASK 72-41-15-300-043 (REPAIR-043).

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. Repair Facilities

    2. 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 06118

      U.S.A.

      Attn: Manager Technical Services

      1. Authorized Repair Vendors for Repair VRS9054 are listed below:

        Chromalloy Dallas

        14042 Distribution Way

        DALLAS, TX 75234

        USA

        MTU Maintenance GmbH

        Flughafen Hannover

        Muncher Strasse 31

        30855 LANGENHAGEN

        GERMANY

        Rolls-Royce Aero-Engine Services Ltd

        Component Refurbishment

        Mavor Avenue

        Nerston

        East Kilbride

        Glasgow

        G74 4PY

        SCOTLAND

        Airfoil Technologies International (ATI)

        High Holborn Road

        Codnor

        Ripley

        Derbyshire

        DE5 3NW

        ENGLAND

        Ishikawajima-Harima Heavy Industries Co. Ltd.

        229 Tonogaya, Mizuho-Machi

        Nishitama-gun

        Tokyo 190-1297

        JAPAN

        Airfoil Services Sdn Bhd (ASSB)

        No. 12 Jalan Teknologi

        Taman Sains Selangor 1

        Kota Damansara PJU5

        47810 Petailing Jaya

        Selangor Darul Ehsan

        MALAYSIA

        Turbine Overhaul Services Pte, Ltd. (TOS)

        5 Tuas Drive Two - Mail Stop 107-58

        Singapore 638639

        Tel: 65-6860-2260

        Fax: 65-6862-1068

        Rolls-Royce Inchinnan

        Inchinnan Drive

        Inchinnan Business Park

        Inchinnan, PA4 9AF

        Scotland

      2. 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 IAE is listed as the repair vendor. Authorized repair vendors do not act as agents or representatives of IAE.

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised effectivity table. (19VG249)