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 72-32-91-300-011 LPC Inlet Guide Vane (Stator) - Repair The Surface Damage Of The Inner Shroud Ring, Repair-011 (VRS 1775)
General
The practices and processes referred to in the procedure by the TASK numbers are in the SPM.
Price and availability - none
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Fluorescent Penetrant Inspection Equipment | LOCAL | Fluorescent penetrant inspection equipment |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM | LOCAL | CoMat 01-275 | ||
| CoMat 05-019 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-019 | ||
| CoMat 05-020 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-020 | ||
| CoMat 05-021 WATERPROOF SILICON CARBIDE | 44197 | CoMat 05-021 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Use abrasive stone or CoMat 05-019 WATERPROOF SILICON CARBIDEand/or fine file.
The surface finish of the repaired area must be the same as the adjacent surface. Refer to the SPM TASK 70-35-03-300-501.
Use portable grinding equipment, abrasive stones or paper and/or fine file.
Scallop, make smooth and/or hand polish to remove rubs, corrosion pits, scratches, dents and nicks.
SUBTASK 72-32-91-350-059 Remove the Damage of the Inner Shroud Ring
Visually examine the repaired area for rubs, corrosion pits, scratches, dents and nicks. Refer to TASK 72-32-91-200-000 (INSPECTION-000).
Visually examine the repaired area.
SUBTASK 72-32-91-220-080 Examine the Inner Shroud Ring
Make sure that there are no cracks in the repaired area. Refer to TASK 72-32-91-200-000 (INSPECTION-000). Refer to the SPM TASK 70-23-05-230-501.
Fluorescent penetrant examine the repaired area.
SUBTASK 72-32-91-230-059 Examine the Inner Shroud Ring for Cracks
Refer to the SPM TASK 70-38-02-300-501. Use CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM.
Apply the chromate conversion coating to the repaired area.
SUBTASK 72-32-91-380-056 Apply the Chromate Conversion Coating to the Inner Shroud Ring
Figure: Inner shroud ring - repair limit
Inner shroud ring - repair limit
