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 72-32-76-300-005 LPC Stage 2.5 Stator - Blend Repair The Surfaces And Bolt Holes, Repair-005 (VRS1346)
Material of component
RR | ||
|---|---|---|
DESCRIPTION | SYMBOL | MATERIAL |
Ring, shroud outer | Aluminum alloy | |
Ring, A/O inner | Aluminum alloy |
General
Price and availability
Refer to IAE for any of the following:
Tools
Engine parts
Repair of spares
This Repair scheme gives the procedure for blending of the surfaces and bolt holes on the LP compressor STG 2.5 vanes.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
NOTE
To identify the consumable materials refer to the PCI.
Other consumable materials are given in the SPM TASKS70-38-02-300-503 and 70-23-05-230-501.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Fluorescent Penetrant Inspection Equipment | LOCAL | Fluorescent penetrant inspection equipment | ||
| Portablegrinding equipment | LOCAL | Portable grinding equipment |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 05-020 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-020 | ||
| CoMat 05-021 WATERPROOF SILICON CARBIDE | 44197 | CoMat 05-021 | ||
| CoMat 07-028 CHROMATE CONVERSION COATING FOR ALUMINUM | LOCAL | CoMat 07-028 |
Spares
NONESafety Requirements
NONEProcedure
Use portable grinding equipment.
Maximum blend limit is 0.005 in. (0.13 mm) in depth.
Refer to the SPM TASK 70-35-03-300-501.
Refer to Figure.
Dress to remove nicks or scores on outer surface, platform, inner surface and bolt holes.
Refer to the SPM TASK 70-35-03-300-501.
Surface finish must be the same as that of the adjacent undressed area.
Blend dressed area and polish out scores.
SUBTASK 72-32-76-350-055 Dress to Remove Damage
Refer to TASK 72-32-76-100-000.
Clean the dressed area.
SUBTASK 72-32-76-110-054 Clean the Dressed Area
Refer to the SPM TASK 70-38-02-300-503.
Treat dressed areas.
SUBTASK 72-32-76-380-052 Reprotect Dressed Areas
Make sure there are no cracks in the repaired area.
Refer to the SPM TASK 70-23-05-230-501.
Do a penetrant crack test for the dressed area.
SUBTASK 72-32-76-230-053 Examine the Vane Assembly for Cracks
Figure: Location on the LP compressor stage 2.5 stator assembly
Location on the LP compressor stage 2.5 stator assembly
