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 72-41-33-300-005 HPC Stage 4 Variable Stator Vane Shroud - Blend Repair, Repair-005 (VRS6108)
Material of component
DESCRIPTION | MATERIAL |
HP compressor stage 4 inner shroud | Aluminium alloy |
Refer to the Illustrated Parts Catalogue.
General
This repair must only be done when the instruction to do so is given in TASK 72-41-33, Inspection/Check.
Fig/item numbers in parentheses in the procedure agree with those used in the IPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the IPC.
This repair is to repair minor surface damage by dressing.
The practices and processes referred to in the procedure by the TASK/SUBTASK number are in the SPM.
Price and Availability
Refer to International Aero Engines.
Related Repairs - None
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Chemical cleaning equipment | LOCAL | Chemical cleaning equipment | ||
| Penetrant Crack Test Equipment | LOCAL | Penetrant crack test equipment | ||
| Workshop inspection equipment | LOCAL | Workshop inspection equipment | ||
| Vibrating marking pencil | LOCAL | Vibrating marking pencil |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER | 06565 | CoMat 05-074 | ||
| CoMat 05-106 ABRASIVE STONE | K6835 | CoMat 05-106 | ||
| CoMat 05-111 EMERY POLISHING PAPER | 06565 | CoMat 05-111 | ||
| CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY) | LOCAL | CoMat 06-063 | ||
| CoMat 06-064 FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY) | LOCAL | CoMat 06-064 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Refer to the SPM TASK 70-35-03-300-501.
Make sure the damage marks are completely removed and the area is made smooth in to the adjacent material.
The maximum depth to remove the damage must not be more than 0.005 in. (0.13 mm).
Remove the damage.
Refer to the SPM TASK 70-35-03-300-501.
Polish the repaired area to remove the scratches and to give a surface finish the same as the adjacent material.
Polish the area of repair.
SUBTASK 72-41-33-350-052 Remove the Damage
Refer to Figure.
SUBTASK 72-41-33-220-104 Examine the Repair
Refer to the SPM TASK 70-23-05-230-501. Use CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY) or CoMat 06-064 FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY).
No cracks are permitted.
Do a local penetrant crack test on the repaired area(s).
SUBTASK 72-41-33-230-060 Do a Crack Test
Refer to the SPM TASK 70-38-02-300-503.
Locally touch-up the repaired area(s).
SUBTASK 72-41-33-380-051 Apply the Surface Protection
Figure: Repair Details and Dimensions
Repair Details and Dimensions

