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 72-41-23-300-009 HPC Cross Key Segment - Blend Repair, Repair-009 (VRS6188)
General
This Repair must only be done when the instruction to do so is given in 72-41-23 Inspection/Check.
The practices and processes referred to in the procedure by the TASK/SUBTASK numbers are in the SPM.
Price and availability
Refer to International Aero Engines
NOTE
Equivalent materials and equipment can be used.
More equipment and materials necessary to do this Repair are in the SPM TASKS given below:
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Penetrant Crack Test Equipment | LOCAL | Penetrant crack test equipment | ||
| Workshop inspection equipment | LOCAL | Workshop inspection equipment |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 05-106 ABRASIVE STONE | K6835 | CoMat 05-106 | ||
| CoMat 05-080 WATERPROOF SILICON CARBIDE | 44197 | CoMat 05-080 | ||
| CoMat 05-078 WATERPROOF SILICON CARBIDE | K3895 | CoMat 05-078 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Refer to the SPM TASK 70-35-03-300-501.
The diameter of the repaired area must be 50 x D, where D is the maximum depth of material removed and must not be more than 0.005in. (0.13 mm).
Remove area(s) of damage.
Refer to the SPM TASK 70-35-03-300-501.
Remove sharp corners.
Make sure damage marks are fully removed.
Make smooth.
Polish.
SUBTASK 72-41-23-350-058 Remove Damaged Area(s)

CAUTION
TITANIUM COMPONENT - YOU MUST USE SILICON CARBIDE TYPE ABRASIVE WHEELS, STONES AND PAPERS TO DRESS, BLEND AND POLISH THIS COMPONENT.TITANIUM COMPONENT - DO NOT USE FORCE WITH MECHANICAL CUTTERS OR THE MATERIAL WILL BECOME TOO HOT.TITANIUM COMPONENT - IF THE MATERIAL SHOWS A CHANGE IN COLOR, TO DARKER THAN A LIGHT STRAW COLOR, THE COMPONENT IS TO BE REJECTED.Refer to Figure.
SUBTASK 72-41-23-220-113 Examine the Repair
Figure: Repair details and dimensions
Repair details and dimensions

