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 72-00-41-300-001 HPC Assembly - HPC Rear Outer Case - Replace Missing And/or Damaged Helicoil Or Thinwall Insert(s), Repair-001 (VRS6518)
Effectivity
FIG/ITEM | PART NUMBER | ASSEMBLY |
|---|---|---|
02-400 | 6A2949 | A |
02-400 | 6A3557 | A |
02-400 | 6A4154 | B |
02-400 | 6A5495 | B |
02-400 | 6A5682 | B |
02-400 | 6A8162 | B |
02-400 | 6B1427 | B |
Material of component
PART IDENT | MATERIAL |
|---|---|
HP Compressor Rear Outer Case Assembly | Corrosion Resistant Steel |
General
NOTE
NOTE
This repair must only be done when the instruction to do so is given in 72-00-41-200-001 Inspection/Check (Special Procedure 01).
This TASK gives the procedure to repair missing and/or damaged helicoil or thinwall insert(s) in the HP compressor rear outer case assembly, by replacement.
The practices and processes referred to in the procedure by the TASK/SUBTASK number are in the SPM.
Price and Availability
Refer to international aero engines.
NOTE
NOTE
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Approved workshop equipment | LOCAL | Approved workshop equipment | ||
| Chemical Cleaning Equipment | LOCAL | Chemical Cleaning Equipment | ||
| Penetrant Crack Test Equipment | LOCAL | Penetrant Crack Test Equipment | ||
| Workshop Inspection Equipment | LOCAL | Workshop Inspection Equipment | ||
| Vacuum cleaning equipment | LOCAL | Vacuum cleaning equipment |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 01-459 AQUEOUS WIPE CLEANER | 71410 | CoMat 01-459 | ||
| CoMat 02-001 ADHESIVE TAPE (MASKING) | LOCAL | CoMat 02-001 | ||
| CoMat 02-005 ADHESIVE TAPE (MASKING) | LOCAL | CoMat 02-005 | ||
| CoMat 02-121 TEMPORARY MARKER PENCIL/CRAYON | IE304 | CoMat 02-121 | ||
| CoMat 06-064 FLUORESCENT PENETRANT (WATER WASHABLE MEDIUM SENSITIVITY) | LOCAL | CoMat 06-064 |
Spares
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| INSERT - SCREW THREAD, .250 DIA X 1.5D | U1653 | AGS3732 | 90 | 02-432 Assembly A |
| INSERT - SCREW THREAD | U1653 | AS52761 | 80 | 02-432 Assembly B |
| Helicoil insert | 0AM53 | AGS3733 | 20 | 02-433 Assembly A |
| INSERT - SCREW THREAD | U1653 | AS52762 | 20 | 02-433 Assembly B |
Safety Requirements
NONEProcedure
Make sure access to all the repair areas.
Use Workshop Inspection Equipment 1 off.
Mark all damaged insert hole(s).
SUBTASK 72-00-41-220-047 Examine the Assembly
Use Approved workshop equipment 1 off.
Refer to SPM TASK 70-35-08-300-501, SUBTASK 70-35-08-350-001.
SUBTASK 72-00-41-350-002-A00 Remove the Damaged Helicoil Insert(s), Assembly A
Use Approved workshop equipment 1 off.
Refer to SPM TASK 70-35-26-300-501, SUBTASK 70-35-26-350-001.
SUBTASK 72-00-41-350-002-B00 Remove the Damaged Thinwall Insert(s), Assembly B
Use Vacuum cleaning equipment 1 off.
Locally clean the repair hole(s) to remove the debris.
Refer to SPM TASK 70-11-03-300-503, SUBTASK 70-11-03-300-003.
SUBTASK 72-00-41-110-002 Chemically Clean
Make sure the damaged insert is removed completely.
Make sure all debris is removed.
Use Workshop Inspection Equipment 1 off.
Visually examine the repair area.
SUBTASK 72-00-41-220-049 Examine the Repair Area
Use Penetrant Crack Test Equipment 1 off.
Cracks are not permitted.
Refer to SPM TASK 70-23-05-230-501.
SUBTASK 72-00-41-230-002 Do a Crack Test
Refer to SPM TASK 70-11-03-300-503, SUBTASK 70-11-03-300-003.
SUBTASK 72-00-41-110-004 Chemically Clean
Use AGS3732 insert HPC Rear Outer Case And Related Parts (72-41-23, 02-432), 90 off and/or AGS3733 insert HPC Rear Outer Case And Related Parts (72-41-23, 02-433), 20 off as necessary.
Use Approved workshop equipment 1 off.
Refer to SPM TASK 70-35-08-300-501, SUBTASK 70-35-08-350-002.
SUBTASK 72-00-41-350-004-A00 Install the Helicoil Insert(s), Assembly A
Use AS52761 INSERT - SCREW THREAD (02-432), 80 off and/or AS52762 INSERT - SCREW THREAD (02-433), 20 off, as necessary.
Use Approved workshop equipment 1 off.
Refer to SPM TASK 70-35-26-300-501, SUBTASK 70-35-26-350-001.
SUBTASK 72-00-41-350-004-B00 Install the Thinwall Insert(s), Assembly B
Use Workshop Inspection Equipment 1 off.
Refer to SPM TASK 70-35-08-300-501, SUBTASK 70-35-08-220-001.
SUBTASK 72-00-41-220-050-A00 Examine the Helicoil Insert(s), Assembly A
Use Workshop Inspection Equipment 1 off.
Refer to SPM TASK 70-35-26-300-501, SUBTASK 70-35-26-350-001.
SUBTASK 72-00-41-220-050-B00 Examine the Thinwall Insert(s), Assembly B
Figure: Repair Details and Dimensions - Assembly A and Assembly B
Repair Details and Dimensions - Assembly A and Assembly B

Figure: Repair Details and Dimensions - Assembly A
Repair Details and Dimensions - Assembly A

Figure: Repair Details and Dimensions - Assembly A
Repair Details and Dimensions - Assembly A

Figure: Repair Details and Dimensions - Assembly B
Repair Details and Dimensions - Assembly B

Figure: Repair Details and Dimensions - Assembly B
Repair Details and Dimensions - Assembly B

