TASK 72-44-30-300-019 Inner Combustion Chamber Liner - Weld Repair The Rear Flange Holes, Repair-019 (VRS3741)

DMC:V2500-A0-72-44-3001-01A-627A-C|Issue No:002.00|Issue Date:2019-11-01

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

2A0549-01 2A1374 2A1398 2A1617 2A2034 2A2034-001 2A2722-012A2838-01 2A3344-001 2A3344-002 2A3344-003 2A3344-004 2A3344-005 2A3344-0062A3344-007 2A3344-01 2A3351-003 2A3351-004 2A3351-01 2A4283-01 2A4311-012A4313-01 2A4315-001 2A4315-01

Common Information

TASK 72-44-30-300-019 Inner Combustion Chamber Liner - Weld Repair The Rear Flange Holes, Repair-019 (VRS3741)

Effectivity

FIG/ITEM

PART NO.

01-401

2A0549-01

01-401

2A1374

01-401

2A1398

01-401

2A1617

01-401

2A2034

01-401

2A2034-001

01-401

2A2722-01

01-401

2A2838-01

01-401

2A3344-01

01-401

2A3344-001

01-401

2A3344-002

01-401

2A3344-003

01-401

2A3344-004

01-401

2A3344-005

01-401

2A3344-006

01-401

2A3344-007

01-401

2A3351-01

01-401

2A3351-003

01-401

2A3351-004

01-401

2A4283-01

01-401

2A4311-01

01-401

2A4313-01

01-401

2A4315-01

01-401

2A4315-001

01-420

2A2718-01

Material of component

PART IDENT

SYMBOL

MATERIAL

Combustion chamber inner liner

-

Hastelloy X/Inconel 625

General

Price and availability - Refer to IAE

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

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 03-197 WELDING FILLER WIRELOCALCoMat 03-197
CoMat 03-287 WELDING FILLER WIRELOCALCoMat 03-287

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-44-30-350-094 Remove the Detail Parts from the Combustion Chamber Inner Liner

      1. Remove the liner segments and the gangnut channels.

      1. Refer to VRS3173 TASK 72-44-30-300-001 (REPAIR-001) and VRS3264 V2500-A0-72-44-3001-00A-920A-C (REPAIR-003).

      2. Remove the plasma spray from the rear flange.

      1. Refer to VRS3170 TASK 72-44-30-300-004 (REPAIR-004).

    2. SUBTASK 72-44-30-370-054 For PNs 2A1374, 2A1398, 2A1617, 2A2034 and 2A2034-001: Solution Heat Treat the Combustion Chamber Liner

      1. Solution heat treat the combustion chamber liner.

      1. Refer to the SPM TASK 70-37-24-370-501 (Cycle 22), except do not use a hydrogen case. Cool by air or faster.

    3. SUBTASK 72-44-30-230-057 For PNs 2A1374, 2A1398, 2A1617, 2A2034 and 2A2034-001: Examine the Damaged Combustion Chamber Inner Liner

      1. Fluorescent penetrant inspect the liner.

      1. Refer to the SPM TASK 70-23-03-230-501 or SPM TASK 70-23-08-230-501. Use high sensitivity.

    4. SUBTASK 72-44-30-320-001 For All PNs: Rout Out Cracks in the Rear Flange

    1. Refer to Figure.

    2. Rout out the rear flange to completely remove cracks.

    5. SUBTASK 72-44-30-110-054 Clean the Repair Areas

      1. Locally clean the rear flange inner combustor liner routed areas.

      1. Use a wire brush with austenitic corrosion resistant steel.

      2. Wipe the repair area with isopropyl alcohol.

      1. Refer to the SPM TASK 70-11-26-300-503.

    6. SUBTASK 72-44-30-310-053 Weld Repair the Combustion Chamber Inner Liner Rear Flange Hole Cracks

    1. Refer to Figure.

      2. Weld repair the prepared areas.

      1. Refer to the SPM TASK 70-31-13-310-501, IAE 16-3.

        Use the applicable CoMat welding filler wire listed in Figure.

    7. SUBTASK 72-44-30-220-088 Inspect the Diameter of the Rear Inner Liner

    1. Refer to Figure.

      2. Inspect the diameter of the rear inner liner.

      1. If necessary, size the diameter of the rear inner liner by Repair, VRS3628 TASK 72-44-30-300-017 (REPAIR-017).

    8. SUBTASK 72-44-30-370-055-A00 For PNs 2A1374, 2A1398, 2A1617, 2A2034, 2A2034-001 and 2A3351-004: Solution Heat Treat the Combustion Chamber Inner Liner

      1. Solution heat treat the combustion chamber inner liner.

      1. Refer to the SPM TASK 70-37-24-370-501 (Cycle 22), except hydrogen is not permitted. Air cool or faster.

    9. SUBTASK 72-44-30-370-055-B00 For PNs 2A0549-01, 2A2722-01, 2A2838-01, 2A3344-01, 2A3344-001, 2A3344-002, 2A3344-003, 2A3344-004, 2A3344-005, 2A3344-006, 2A3344-007, 2A3351-01, 2A3351-003, 2A4283-01, 2A4311-01, 2A4313-01, 2A4315-01, 2A4315-001 and 2A2718-01: Heat Treat the Combustion Chamber Inner Liner

      1. Heat treat the combustion chamber inner liner.

        1. Refer to one of the TASKs that follow:

        1. SPM TASK 70-37-16-370-501 (Cycle 10). Use argon or a vacuum. Air cool or faster.

        2. Or.

        3. SPM TASK 70-37-24-370-501 (Cycle 22), except hydrogen is not permitted. Air cool or faster.

    10. SUBTASK 72-44-30-320-002 Restore the Flange Holes

    1. Refer to Figure and Figure.

    2. Blend the areas you weld repaired, and machine to restore the flange holes.

    11. SUBTASK 72-44-30-230-058 Fluorescent Penetrant Inspect the Combustion Chamber Inner Liner

      1. Fluorescent penetrant inspect the areas that you welded.

      1. Refer to the SPM TASK 70-23-03-230-501 or SPM TASK 70-23-08-230-501. Use high sensitivity.

    12. SUBTASK 72-44-30-370-056 Replace the Plasma Spray on the Rear Flange

      1. Replace the plasma spray on the rear flange.

      1. Repair, VRS3170 TASK 72-44-30-300-004 (REPAIR-004).

    13. SUBTASK 72-44-30-220-089 Examine the Hardcoat on the Front Outside Diameter Seal and the Combustion Chamber Inner Liner

      1. Inspect the hardcoat of the front outside diameter seal and the inner liner.

      1. Refer to TASK 72-44-30-200-000 (INSPECTION/CHECK-000).

    14. SUBTASK 72-44-30-350-095 Install the Detail Parts to the Combustion Chamber Inner Liner

      1. Install the liner segments and the gangnut channels.

      1. Refer to VRS3173 TASK 72-44-30-300-001 (REPAIR-001) and VRS3264 V2500-A0-72-44-3001-00A-920A-C (REPAIR-003).

    15. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    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
Change Type:

Revised effectivity table to add PN 2A2718-01 and figure. (19VC111)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 03-197
Type:sp01
Supply Short Name:CoMat 03-197 WELDING FILLER WIRE
Supply Name:CoMat 03-197 WELDING FILLER WIRE
Specification Groups:
Doc NumberType
MSRR9500/215HASTELLOY X
OMAT:3/165AMS 5798
OMAT:3/165
Suppliers:
ManufacturerRemarks
LOCAL
07098
IE508
0B491
2R602
36346
55596
57965
58401
80357
IE306
K6835
1GD26
Manufacturer Code:LOCAL
Supply Number:CoMat 03-287
Type:sp01
Supply Short Name:CoMat 03-287 WELDING FILLER WIRE
Supply Name:CoMat 03-287 WELDING FILLER WIRE
Specification Groups:
Doc NumberType
INCONEL 625 AMS 5837 AMS 5837
Suppliers:
ManufacturerRemarks
LOCAL
2R602
55596
58401