DMC:V2500-A0-72-32-7142-00A-649A-CIssue No:001.00Issue Date:2013-11-01
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 72-32-71-300-014 LPC Bleed Valve Upper Power Arm - Repair Surface Damage By Blending, Repair-014 (VRS 1743)
Material of component
RR | ||
|---|---|---|
DESCRIPTION | SYMBOL | MATERIAL |
Upper power arm | Cast corrosion and heat | |
resistant steel (17-4PH) |
General
Price and availability - none
NOTE
To identify the consumable materials refer to the PCI.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Fluorescent Penetrant Inspection Equipment | LOCAL | Fluorescent penetrant inspection equipment | ||
| Portablegrinding equipment | LOCAL | Portable grinding equipment |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 05-019 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-019 | ||
| CoMat 05-020 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-020 | ||
| CoMat 05-021 WATERPROOF SILICON CARBIDE | 44197 | CoMat 05-021 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Use portable grinding equipment, abrasive stone or CoMat 05-019 WATERPROOF SILICON CARBIDE and/or fine file. The surface finish of the repair must be the same as the adjacent area. Refer to the SPM TASK 70-35-03-300-501.
Scallop, make smooth and/or hand polish to remove the nicks and/or scratches.
SUBTASK 72-32-71-350-069 Remove the Damage of the Upper Power Arm
Use a 10x magnifying glass. Refer to TASK 72-32-71-200-000 (INSPECTION-000).
Visually examine the repaired area for nicks, galls, scores and/or pick-up.
Visually examine the repaired area.
SUBTASK 72-32-71-220-131 Examine the Upper Power Arm
Refer to the SPM TASK 70-23-05-230-501. No cracks are permitted.
Do a penetrant crack test on the repaired area.
SUBTASK 72-32-71-230-075 Examine the Upper Power Arm
Figure: Upper power arm - repair limit
Upper power arm - repair limit
