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 72-41-21-300-058 HPC Heatshields - Blend Repair On The Stage 11 Heatshield, Repair-058 (VRS6304)
General
This Repair must only be done when the instruction to do so is given in 72-41-21 Inspection.
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 or equipment can be used.
More equipment and materials necessary to do this Repair are in TASK 70-23-02-230-501 and
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 05-110 EMERY POLISHING PAPER | 0AM53 | CoMat 05-110 | ||
| CoMat 05-111 EMERY POLISHING PAPER | 06565 | CoMat 05-111 |
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 0.005 in. (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.
Refer to the SPM TASK 70-35-03-300-501.
Polish to remove all marks.
Polish.
SUBTASK 72-41-21-350-121 Remove Damaged Area(s)
Refer to Figure.
SUBTASK 72-41-21-220-281 Examine the Repair
Refer to the SPM TASK 70-23-02-230-501.
Use penetrant crack test equipment.
No cracks are permitted.
Do a penetrant crack test.
SUBTASK 72-41-21-230-122 Do a Crack Test
Figure: Repair details and dimensions
Repair details and dimensions

