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 72-41-34-300-010 HPC Stage 6 Unison Ring Connector Bridges - Blend Repair, Repair-010 (VRS6197)
Material of component
RR | ||
|---|---|---|
DESCRIPTION | SYMBOL | MATERIAL |
Bridge piece | EAK | Jethete |
Bush | VEB | Graphite filled polymide resin |
General
This Repair must only be done when the instruction to do so is given in 72-41-34 Inspection.
This Repair has been issued for the HP compressor stage 6 actuating ring connector assembly.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
Price and availability - none
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Workshop inspection equipment | LOCAL | Workshop inspection equipment | ||
| Penetrant Crack Test Equipment | LOCAL | Penetrant crack test 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 | 0AM53 | CoMat 05-110 | ||
| CoMat 05-111 EMERY POLISHING PAPER | 06565 | CoMat 05-111 | ||
| CoMat 07-037 CORROSION RESISTANT TOUCH-UP COATING | LOCAL | CoMat 07-037 | ||
| CoMat 07-038 AIR DRYING ENAMEL | K3504 | CoMat 07-038 |
Spares
NONESafety Requirements
NONEProcedure
Refer to: Figure
The diameter of the repaired areas is to be 50 times the depth. The maximum depth of the repaired areas is to be 0.005in. (0.13 mm).
Refer to the SPM TASK 70-35-03-300-501.
Remove the damage.
Make the damaged area smooth.
Polish the repaired area and the areas made smooth. Make sure all the scratches are removed and the surface finish is the same as the adjacent material.
Refer to the SPM TASK 70-35-03-300-501.
Polish the area.
SUBTASK 72-41-34-350-076 Remove the Damage
Refer to: Figure
SUBTASK 72-41-34-220-199 Examine the Repair
Refer to: Figure
Refer to Repair, VRS6329 TASK 72-41-34-300-029.
Apply surface protection to the repaired areas where the surface protection has been removed.
SUBTASK 72-41-34-380-054 Apply Surface Protection to Repaired Areas as Necessary
Figure: An example of an area to be repaired
An example of an area to be repaired

Figure: Apply the surface protection
Apply the surface protection

