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 72-44-30-300-014 Inner Combustion Chamber Liner - Repair The Plasma Coat On The Front Outside Diameter Seal, Repair-014 (VRS3055)
Effectivity
FIG/ITEM | PART NO. |
|---|---|
01-401 | 2A0549-01 |
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
DESCRIPTION | SYMBOL | MATERIAL |
|---|---|---|
Combustion Chamber - Inner Liner | - | Wrought non-hardenable nickel |
base alloy |
General
The practices and processes referred to in the procedure by the TASK number are in the SPM.
Preliminary Requirements
Pre-Conditions
| Action/Condition | Data Module/Technical Publication |
|---|---|
| Make sure that all the cleaning and inspection procedures are done before this repair. |
Support Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE | DK026 | CoMat 03-066 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
SUBTASK 72-44-30-350-078 Remove the Remaining Plasma Coat from the Front Outside Diameter Seal on the Combustion Chamber Inner Liner
Clean the Part by Aqueous Cleaning Method by SPM TASK 70-11-03-300-503.
SUBTASK 72-44-30-110-074 Clean the Combustion Chamber Inner Liner
Do a fluorescent penetrant inspection of the repair area by the SPM TASK 70-23-03-230-501.
Do a fluorescent penetrant inspection of the repair area by the SPM TASK 70-23-08-230-501.
Do a fluorescent penetrant inspection of the repair area by one of the methods that follow. Refer to Figure.
SUBTASK 72-44-30-230-075 Fluorescent Penetrant Inspect the Repair Area
Do a dimensional inspection of the repair area. Refer to Figure.
SUBTASK 72-44-30-220-107 Examine the Front Outside Diameter Seal on the Combustion Chamber Inner Liner
Refer to the SPM TASK 70-34-18-380-501 and Figure.
Grit blast out of the repair area shown is not permitted. Use masks or maskants.
Prepare the surface for coating.
SUBTASK 72-44-30-380-003 Prepare the Surface of the Front Outside Diameter Seal
Coat out of the repair area is not permitted. Use masks or maskants.
No grinding of coat permitted.
Use CoMat 03-066 METAL SPRAYING POWDER, 75 CHROMIUM CARBIDE/25 (80 NICKEL - 20 CHROMIUM ALLOY), FINE.
Apply plasma coating to the front outside diameter seal. Refer to the SPM TASK 70-34-03-340-501 and Figure.
SUBTASK 72-44-30-340-055 Apply Plasma Coating to the Front Outside Diameter Seal of the Combustion Chamber Inner Liner
Refer to Figure.
SUBTASK 72-44-30-220-084 Examine the Plasma Coating on the Front Outside Diameter Seal on the Combustion Chamber Inner Liner
Make a permanent mark by the SPM TASK 70-09-00-400-501.
Make a mark VRS3055 adjacent to the part number.
SUBTASK 72-44-30-350-079 Identify the Repair
Figure: Repair Details and Dimensions
Repair Details and Dimensions

