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 72-41-21-840-002 HPC Heatshields - HPC Stage 8 And Stage 11 Rear Inner Casing Heatshields With Corrosion Protection, Rework-002 - SBE 72-0034
General
The practices and processes referred to in the procedure by the TASK/SUBTASK number are in the SPM.
Refer to the indicated Service Bulletin for specific application requirements.
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Vibrating marking pencil | LOCAL | Vibrating marking pencil |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 02-001 ADHESIVE TAPE (MASKING) | LOCAL | CoMat 02-001 | ||
| CoMat 07-036 ALUMINIUM HIGH HEAT RESISTANT PAINT | 0AM53 | CoMat 07-036 |
Spares
NONESafety Requirements
NONEProcedure
Refer to the SPM TASK 70-38-21-380-501, SUBTASK 70-38-21-380-006.
Remove the corrosion.
SUBTASK 72-41-21-110-139 Clean the Part
Refer to Figure.
Refer to the SPM TASK 70-38-21-380-501, SUBTASK 70-38-21-380-008.
Apply type A layer of high heat resistant paint and stove as required.
SUBTASK 72-41-21-380-099 Apply the Corrosion Protection
Refer to the SPM TASK 70-38-21-380-501, SUBTASK 70-38-21-220-001.
Examine the layer of high heat resistant paint.
SUBTASK 72-41-21-220-406 Examine the Heatshields
Refer to Figure.
Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.
NUMBER BEFORE 6A3020.
NEW NUMBER 6A3978.
NUMBER BEFORE 6A3021.
NEW NUMBER 6A3979.
Use vibro-engraving equipment.
Replace the part number with the new part number.
SUBTASK 72-41-21-350-154 Identify the Reworked Part
Figure: Stage 8 and 11 heatshields
Stage 8 and 11 heatshields
