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 80-13-49-300-002 Starter Air Ducts - Weld Repair A Crack In The Wall, Repair-002 (VRS2958)
Effectivity
FIG/ITEM | PART NO. |
|---|---|
01-010 | 740-5121-503 |
01-010 | 740-5121-505 |
01-010 | 740-5121-507 |
01-010 | 740-5121-509 |
01-010 | 740-5121-511 |
01-500 | 740-5122-501 |
01-500 | 745-5122-503 |
General
If the duct has been repaired before, do not carry out this repair.
Price and availability - not available.
Related repairs - not applicable.
The practices and processes referred to in the procedure by the TASK numbers are in the Standard Practices/Processes Manual (SPM).
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Argon-arc welding equipment | LOCAL | Argon-arc welding equipment | ||
| Wire brush | LOCAL | Wire brush | Stainless steel |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 01-076 METHYL ETHYL KETONE | LOCAL | CoMat 01-076 | ||
| CoMat 02-099 LINT-FREE CLOTH | LOCAL | CoMat 02-099 | ||
| CoMat 03-204 WELDING FILLER WIRE | LOCAL | CoMat 03-204 |
Spares
NONESafety Requirements
NONEProcedure
Refer to TASK 80-13-49-100-101 (CLEANING-001).
Clean the area to be repaired.
SUBTASK 80-13-49-110-052 Clean the Repair Area
Refer to SPM TASK 70-31-02-310-501-001.
Make sure that the weld-bead is symmetrical along the full length of the crack.
Weld the crack.
Welding Data
Type of welding
Argon-arc D.C.
Torch
B.O.C. W200
Electrode
2 percent ceriated tungsten with a 0.0625 in. (1.54 mm) diameter
SUBTASK 80-13-49-310-051 Repair the Crack
Use the Wire brush to remove the unwanted materials caused by the repair.
Clean the repaired area.
SUBTASK 80-13-49-120-051 Clean the Repaired Area
Refer to SPM TASK 70-31-02-310-501-001.
Make sure that the weld is complete along all the length of the crack.
Visually examine the repair weld.
SUBTASK 80-13-49-220-053 Examine the Repair
Refer to SPM TASK 70-31-02-310-501-001.
Do the dye-penetrant test of the repair.
SUBTASK 80-13-49-230-051 Examine the Repair
Refer to SPM TASK 70-31-02-310-501-001.
Do the X-ray inspection of the repair
SUBTASK 80-13-49-260-051 Examine the Repair
Refer to the TASK 80-13-49-700-101 (TESTING-001).
Do the pressure test on the duct.
SUBTASK 80-13-49-780-052 Pressure Test the Duct
Refer to SPM TASK 70-09-00-400-501.
Put the repair scheme number VRS2958 on the duct adjacent to the part number using the electro-etch method.
SUBTASK 80-13-49-850-052 Put the Repair Scheme Number on the Duct