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 72-41-23-300-018 HPC Rear Seal Housing - Replace The Surface Protection, Repair-018 (VRS6323)
Material of component
RR DESCRIPTION | SYMBOL | MATERIAL |
|---|---|---|
Housing - Rear Seal | EEJ | Corrosion Resistant Steel |
or | ||
ENH | Chrome Cobalt Molybdenum Electro Flux Remelted Steel | |
General
This Repair must only be done when the instruction to do so is given in 72-41-23 Inspection/Check.
This Repair replaces the surface protection on the rear seal housing.
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
NOTE
Preliminary Requirements
Pre-Conditions
| Action/Condition | Data Module/Technical Publication |
|---|---|
| Make sure that all the cleaning and inspection procedures, including any required FPI, are done before this repair. |
Support Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 06-073 INK, METAL MARKING | LOCAL | CoMat 06-073 | ||
| CoMat 07-024 AEROLAC METAL PROTECTIVE VARNISH, CLEAR | LOCAL | CoMat 07-024 | ||
| CoMat 07-035 CORROSION RESISTANT COATING | LOCAL | CoMat 07-035 | ||
| CoMat 07-104 ALUMINIUM HIGH HEAT RESISTANT PAINT | LOCAL | CoMat 07-104 | ||
| CoMat 07-175 COATING COMPOUND - ALUMINUM, INORGANIC BINDER | 53012 | CoMat 07-175 | ||
| DELETED | LOCAL | DELETED |
Spares
NONESafety Requirements
NONEProcedure
Use vibration peen method by SPM TASK 70-09-00-400-501. See Figure, index [2].
Mark the part with VRS6323 adjacent to the assembly part number.
SUBTASK 72-41-23-350-140 Identify Repair
Use CoMat 07-035 CORROSION RESISTANT COATING (Type A or Type B Coating) by SPM TASK 70-38-21-380-501.
Use CoMat 07-104 ALUMINIUM HIGH HEAT RESISTANT PAINT (Type A or Type B Coating) by SPM TASK 70-38-21-380-501.
Prepare and apply surface protection coating on the part by one of the following procedures. Refer to Figure. Unless otherwise stated in Figure, apply coat all over the part.
SUBTASK 72-41-23-380-062 Apply Surface Protection
Use temporary marking by SPM TASK 70-09-01-400-501. See Figure, index [2].
Mark the part with the part number and VRS6323.
SUBTASK 72-41-23-350-141 Identify Repair
Figure: Repair details and dimensions
Areas To Be Masked. Dry Abrasive Blast And Coat Not Allowed In These Areas And Holes.

