TASK 72-42-61-300-010 Outer Combustion Chamber Liner - Repair The Plasma Coating On The Rear Outside Diameter, Repair-010 (VRS3100)

DMC:V2500-A0-72-42-6101-01A-609A-C|Issue No:004.00|Issue Date:2021-08-01

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 72-42-61-300-010 Outer Combustion Chamber Liner - Repair The Plasma Coating On The Rear Outside Diameter, Repair-010 (VRS3100)

Effectivity

FIG/ITEM

PART NO.

01-501

2A0550-01

01-501

2A1383

01-501

2A1385

01-501

2A1399

01-501

2A1618

01-501

2A1620

01-501

2A1666

01-501

2A2013

01-501

2A2032

01-501

2A2723-01

01-501

2A2837-01

01-501

2A3345-01

01-501

2A3345-001

01-501

2A3345-002

01-501

2A3345-003

01-501

2A3345-004

01-501

2A3347-01

01-501

2A3347-001

01-501

2A3347-002

01-501

2A3347-003

01-501

2A3347-004

01-501

2A3347-005

01-501

2A3439-01

01-501

2A3439-001

01-501

2A3439-002

01-501

2A3439-003

01-501

2A3439-004

01-501

2A3439-005

01-501

2A3439-006

01-501

2A3439-007

01-501

2A3439-008

01-501

2A3440-01

01-501

2A3440-001

01-501

2A3440-002

01-501

2A3440-003

01-501

2A3440-004

01-501

2A3440-005

01-501

2A3440-006

01-501

2A3440-007

01-501

2A3441-01

01-501

2A3441-001

01-501

2A3441-002

01-501

2A3441-003

01-501

2A3441-004

01-501

2A3441-005

01-501

2A3441-006

01-501

2A3441-007

01-501

2A3441-008

01-501

2A3442-01

01-501

2A3442-001

01-501

2A3442-002

01-501

2A3442-003

01-501

2A3442-004

01-501

2A3442-005

01-501

2A3442-006

01-501

2A3442-007

01-501

2A3442-008

01-501

2A4284-01

01-501

2A4309-01

01-501

2A4312-01

01-501

2A4314-01

01-501

2A4314-001

01-520

2A2711-01

Material of component

DESCRIPTION

SYMBOL

MATERIAL

Combustion chamber outer liner

-

-

General

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

Preliminary Requirements

Pre-Conditions

Action/ConditionData Module/Technical Publication
Make sure that all the cleaning and inspection procedures are done before this repair.
If you use a chemical removal procedure, all details must be removed by the given repairs:TASK 72-42-61-300-004
TASK 72-42-61-300-008
TASK 72-42-61-300-015
TASK 72-42-61-300-007
TASK 72-42-61-300-006

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-42-61-350-064 Remove the Coating from the Rear Outside Diameter of the Combustion Chamber Outer Liner

    1. Refer to Figure.

      2. Remove the coating that is on the part by one or more of the procedures that follow:

        1. Remove the coating that is on the part by SPM TASK 70-32-07-100-501.

        1. Deleted.

        2. Remove the coating that is on the part by chemical removal procedure. Refer to the SPM TASK 70-33-90-300-503.

        1. Make sure you remove all the details.

        2. Apply a mask or maskants to all the areas that are not to be removed by SPM TASK 70-38-24-300-503.

      3. Remove the coating that is on the part by high pressure water jet. Refer to the SPM TASK 70-15-01-160-501.

    2. SUBTASK 72-42-61-110-056 Clean the Combustion Chamber Outer Liner

    1. Clean the part by Aqueous Cleaning Method by SPM TASK 70-11-03-300-503.

    3. SUBTASK 72-42-61-230-058 Fluorescent Penetrant Inspect the Repair Area

      1. Do a fluorescent penetrant inspection of the repair area by one of the methods that follow. Refer to Figure.

      1. Do a fluorescent penetrant inspection of the repair area by the SPM TASK 70-23-03-230-501.

      2. Do a fluorescent penetrant inspection of the repair area by the SPM TASK 70-23-08-230-501.

    4. SUBTASK 72-42-61-220-163 Examine the Rear Outside Diameter Seal on the Combustion Chamber Outer Liner

      1. Refer to Figure.

      1. Do a dimensional inspection of the repair area.

      2. Do a visual inspection of the repair area to make sure that you removed all the coating.

    5. SUBTASK 72-42-61-380-001 Prepare the Surface of the Rear Outside Diameter

      1. Prepare the surface for coating. Refer to the SPM TASK 70-34-18-380-501.

      1. Grit blast out of the repair area shown is not permitted. Use masks or maskants.

    6. SUBTASK 72-42-61-350-065 Coat the Rear Outside Diameter of the Combustion Chamber Outer Liner

    1. Refer to Figure.

      2. Coat the rear outside diameter of the outer liner by IAE 53-5. Refer to the SPM TASK 70-34-03-340-501.

      1. Deleted.

      2. Coating out of the repair area is not permitted. Use masks or maskants.

      3. Do not grind the coating.

      4. Coating thickness 0.003 - 0.005 in. (0.076 - 0.128 mm).

    7. SUBTASK 72-42-61-220-126 Examine the Rear Outside Diameter of the Combustion Chamber Outer Liner after Repair

      1. Examine the rear outside diameter.

      1. Refer to Figure.

    8. SUBTASK 72-42-61-350-066 Identify the Repair

      1. Mark VRS3100 adjacent to the part number, use vibration peen method. Refer to the SPM TASK 70-09-00-400-501.

      1. Deleted.

    9. Figure: Rear outside diameter plasma coating repair

    Rear outside diameter plasma coating repair

Requirements After Job Completion

Follow-On Conditions

Action/ConditionData Module/Technical Publication
If removed, all details must be installed by the given repairs:TASK 72-42-61-300-004
TASK 72-42-61-300-008
TASK 72-42-61-300-015
TASK 72-42-61-300-007
TASK 72-42-61-300-006
Change Type:

Revised the procedural steps and deleted consumables. (20VC202)

Change Type:

Editorial to add inadvertently removed step. (19VC120)