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 73-22-49-300-001 Fuel System Sensing Air Tubes - Blend Repair Surface Damage, Repair-001 (VRS1620)
Effectivity
FIG./ITEM | PART NO. |
01-100 | 5A8749 |
01-100 | 5A8793 |
01-500 | 5A9060 |
02-100 | 5A9059 |
02-100 | 6A6008 |
02-500 | 5A8737 |
02-500 | 5A9096 |
03-500 | 5A9364 |
05-100 | 5A8785 |
05-100 | 6A5309 |
05-300 | 6A5308 |
05-500 | 5A8762 |
05-500 | 6A6011 |
05-500 | 6A6192 |
05-500 | 6A6235 |
05-500 | 6A6236 |
06-100 | 5A0446 |
06-100 | 5A8735 |
06-100 | 5A8799 |
06-500 | 5A9093 |
07-100 | 5A0448 |
07-100 | 5A8736 |
07-100 | 5A8800 |
07-100 | 6M1250 |
08-100 | 5A8742 |
08-100 | 5A8782 |
08-100 | 6A5273 |
08-100 | 6A6015 |
08-300 | 5A8738 |
General
The practices and processes referred to in the procedure by the TASK number are in SPM.
Price and availability
Refer to IAE for these items.
Tools
Repair parts
Repair of spares
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Fluorescent Penetrant Inspection Equipment | LOCAL | Fluorescent penetrant inspection equipment | ||
| Local etching equipment | LOCAL | Local etching equipment |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 05-020 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-020 | ||
| CoMat 05-021 WATERPROOF SILICON CARBIDE | 44197 | CoMat 05-021 | ||
| CoMat 05-106 ABRASIVE STONE | K6835 | CoMat 05-106 | ||
| CoMat 01-099 HYDROCHLORIC ACID | K6835 | CoMat 01-099 | ||
| CoMat 01-103 FERRIC CHLORIDE HEXAHYDRATE | K6835 | CoMat 01-103 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Use CoMat 05-106 ABRASIVE STONE or a fine file and CoMat 05-021 WATERPROOF SILICON CARBIDE and CoMat 05-020 WATERPROOF SILICON CARBIDE.
Surface finish of the repaired area must be the same as the adjacent area.
Refer to SPM TASK 70-35-03-300-501.
Make smooth and hand polish. Remove the nicks, galls, and scores.
SUBTASK 73-22-49-350-059 Remove the Damage on the Fuel System Air Tube
Examine the repaired area for nicks, galls, and scores with a 10X magnifying glass.
If blended areas exceeds the blend limit given in Figure refer to VRS7001 (Repair-001) SPM TASK 70-35-24-300-501.
Do a visual and dimensional inspection.
SUBTASK 73-22-49-220-105 Examine the Repair on the Fuel System Air Tube
Refer to SPM TASK 70-11-39-100-501.
Prepare the Local Etch Solution.
SUBTASK 73-22-49-XXX-XXX Make-Up of the Local Etch Solution
Etching time required 210 to 220 seconds.
Refer to SPM TASK 70-11-39-300-503.
Apply the Etch Solution on blended areas.
SUBTASK 73-22-49-XXX-XXX Do a Local Etching
CAUTION
ETCHING TIME REQUIRED 210 TO 220 SECONDS.Refer to Figure.
Refer to SPM TASK 70-23-05-230-501.
Cracks are not permitted.
Fluorescent penetrant examine the repaired area.
SUBTASK 73-22-49-230-062 Examine the Repair on the Fuel System Air Tube for Cracks
Figure: The Fuel System Air Tube Repair Dimensions
The Fuel System Air Tube Repair Dimensions
