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 72-41-34-300-011 HPC Variable Stator Vane Levers - Blend Repair, Repair-011 (VRS6110)
Effectivity
FIG/ITEM PART NO. | |
|---|---|
02-100 | 6A3130 |
02-100 | 6A7467 |
02-120 | 6A3132 |
02-120 | 6A7469 |
02-140 | 6A3131 |
02-140 | 6A7468 |
03-100 | 6A3321 |
03-100 | 6A7460 |
03-120 | 6A3322 |
03-120 | 6A6547 |
03-140 | 6A3323 |
03-140 | 6A7461 |
04-100 | 6A3330 |
04-100 | 6A7462 |
04-120 | 6A3331 |
04-120 | 6A4345 |
04-120 | 6A7463 |
05-100 | 6A3324 |
05-100 | 6A7464 |
05-120 | 6A3325 |
05-120 | 6A4346 |
05-120 | 6A7465 |
05-140 | 6A3326 |
05-140 | 6A4347 |
05-140 | 6A7466 |
06-100 | 6A3327 |
06-120 | 6A3328 |
06-140 | 6A3329 |
General
This repair must only be done when the instruction to do so is given in 72-41-34, Inspection/Check.
This TASK gives the procedure to repair the HP compressor variable vane levers by material removal.
TASKS identified by SPM TASK are in the standard practices and processes manual (SPM).
Price and Availability
Refer to International Aero Engines
Related Repairs - None
NOTE
NOTE
It is possible that some materials in the consumable materials chart cannot be used for some or all of the necessary applications. Before you use the materials, make sure the types, quantities and applications of the materials necessary are legally permitted in your location. All persons must obey all applicable federal, state, local and provincial laws and regulations when it is necessary to work with these materials.
To identify the consumable materials refer to the overhaul processes and consumables index (PCI).
Other necessary consumable materials are referred to in the SPM TASKS.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Chemical cleaning equipment | LOCAL | Chemical cleaning equipment | ||
| Penetrant Crack Test Equipment | LOCAL | Penetrant crack test equipment | ||
| Standard workshop equipment | LOCAL | Standard workshop equipment | ||
| Workshop inspection equipment | LOCAL | Workshop inspection equipment | ||
| Vibro-engraving equipment | LOCAL | Vibro-engraving 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 05-141 ABRASIVE STONE SILICON CARBIDE | LOCAL | CoMat 05-141 | ||
| CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY) | LOCAL | CoMat 06-063 |
Spares
NONESafety Requirements
NONEProcedure
Refer to the SPM TASK 70-35-03-300-501.
The maximum depth to be removed must not be more than 0.005 in. (0.13 mm).
The diameter of the area removed is to be 50 times the depth of the damage.
Make sure the damage marks are fully removed and the area is made smooth to the adjacent material.
Remove and blend area(s) of damage as necessary.
Refer to the SPM TASK 70-35-03-300-501.
Polish the repaired area that has been made smooth.
Make sure all the scratches are removed and the surface finish is the same as the adjacent material.
Polish the area(s).
SUBTASK 72-41-34-350-051 Remove the Damage

CAUTION
TITANIUM COMPONENTS - YOU MUST USE SILICON CARBIDE TYPE ABRASIVE WHEELS, STONES AND PAPERS TO DRESS, BLEND AND POLISH THIS COMPONENT.
CAUTION
TITANIUM COMPONENTS - MAXIMUM SPEED FOR MECHANICAL TOOLS MUST NOT BE MORE THAN 1000 REVOLUTIONS PER MINUTE.
CAUTION
TITANIUM COMPONENTS - YOU MUST MAKE SURE THAT WHEN YOU REMOVE MATERIAL, BLEND AND POLISH, TO MAKE SMOOTH THAT NO SPARKS ARE PRODUCED.
CAUTION
TITANIUM COMPONENTS - IF THE MATERIAL SHOWS A CHANGE IN COLOR, TO A DARKER THAN A LIGHT STRAW COLOR, THE COMPONENT IS TO BE REJECTED.Refer to the SPM TASK 70-11-08-300-503, SUBTASK 70-11-08-300-002.
Swab etch the repaired area(s).
SUBTASK 72-41-34-110-145 Do a Swab Etch
Figure: Repair Details and Dimensions
Repair Details and Dimensions

Figure: Repair Details and Dimensions
Repair Details and Dimensions

