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 72-45-24-300-003 HPT Stage 2 Ring Segment And Vane Cluster - Blend Repair On The Airfoils, Repair-003 (VRS3222)
Effectivity
FIG/ITEM | PART NO. |
|---|---|
02-050 | 2A0172 |
02-050 | 2A1072 |
02-050 | 2A2072 |
02-050 | 2A2172 |
02-050 | 2A2272 |
02-050 | 2A2272-001 |
02-050 | 2A2272-002 |
02-050 | 2A2272-003 |
02-050 | 2A2272-004 |
02-050 | 2A2272-006 |
02-050 | 2A2372 |
02-050 | 2A2372-001 |
02-050 | 2A2372-002 |
02-050 | 2A2372-003 |
02-050 | 2A2372-004 |
02-050 | 2A2372-006 |
02-050 | 2A2772 |
02-050 | 2A3172 |
02-050 | 2A3272 |
02-050 | 2A3372 |
02-050 | 2A3372-001 |
02-050 | 2A3472 |
02-050 | 2A3472-001 |
02-050 | 2A3812 |
02-050 | 2A3822 |
02-050 | 2A4072 |
02-050 | 2A4162 |
02-050 | 2A4262 |
02-050 | 2A4462 |
02-050 | 2A5102 |
02-050 | 2A5202 |
02-050 | 2A5502 |
02-050 | 2A5602 |
02-050 | 2A6102 |
02-050 | 2A6172 |
02-260 | 2A2372 |
02-260 | 2A2372-001 |
02-260 | 2A2372-002 |
02-260 | 2A2372-003 |
02-260 | 2A2372-004 |
02-260 | 2A2372-006 |
02-260 | 2A2872 |
02-260 | 2A3472 |
02-260 | 2A3472-001 |
02-260 | 2A3822 |
02-260 | 2A4072 |
02-260 | 2A4162 |
02-260 | 2A4262 |
02-260 | 2A4562 |
02-260 | 2A5202 |
02-260 | 2A5502 |
Material of component
DESCRIPTION | IAE SYMBOL | MATERIAL |
|---|---|---|
Stage 2 HPT ring segment and vane cluster | Cast nickel alloy |
General
This Repair must only be done when the instruction to do so is given in ENGINE MANUAL TASK 72-45-24-200-000 (INSPECTION).
The practices and processes referred to in the procedure by TASK numbers are in the SPM.
You can blend over any repaired areas on the airfoil if you do not exceed the limits given in the figure.
Price and availability - none
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Fine file | LOCAL | Fine file | ||
| 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 | LOCAL | CoMat 05-110 | ||
| CoMat 05-120 POLISHING CLOTH | 06565 | CoMat 05-120 |
Spares
NONESafety Requirements
NONEProcedure
All blends must be smooth, round bottomed and made in the shape of the initial contour.
The minimum blend length to depth is 6 to 1, but 10 to 1 is preferred.
The blends must be apart by a minimum of 0.300 in. (7.62 mm).
Refer to Figure.
Blend the dents and nicks on the airfoils leading edge.
SUBTASK 72-45-24-350-052 Blend the Dents and Nicks on the Airfoils Leading Edge
All blends must be smooth and round bottomed and made in the shape of the initial contour.
The minimum blend length to depth is 6 to 1, but 10 to 1 is preferred.
The blends must be apart by a minimum of 0.300 in. (7.62 mm).
For larger dents and nicks use a fine file or CoMat 05-106 ABRASIVE STONE.
Finish the blend with the fine abrasive stone.
Refer to Figure.
Blend the dents and nicks on the airfoils and the trailing edge.
SUBTASK 72-45-24-350-053 Blend the Dents and Nicks on the Airfoils and the Trailing Edges
The total maximum blended area is 0.500 sqin (3.226 sqcm).
Refer to Figure.
Examine the airfoils.
SUBTASK 72-45-24-220-063 Examine the Airfoils
Coat the airfoils by the procedure given in Repair, VRS3217 TASK 72-45-24-300-002 (REPAIR-002) or VRS3597 TASK 72-45-24-300-023 (REPAIR-023) as applicable.
SUBTASK 72-45-24-340-051 Coat the Airfoils
Figure: Repair Details and Dimensions
Sheet 1
Figure: Repair Details and Dimensions
Sheet 2
