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 72-42-50-300-004 HPC Rear Static Seal - Static Seal Cone Front Flange Surface Blend Repair, Repair-004 (VRS6116)
Material of component
RR | ||
|---|---|---|
DESCRIPTION | SYMBOL | MATERIAL |
HPC Rear Static Seal Cone | QAL | Nickel alloy |
QAW | Nickel alloy | |
QMR | Nickel alloy | |
QZZ | Nickel alloy |
General
This repair must only be done when the instruction to do so is given in TASK 72-42-50 Inspection/Check.
Preliminary Requirements
Pre-Conditions
| Action/Condition | Data Module/Technical Publication |
|---|---|
| Make sure that all the cleaning and inspection procedures are done before the repair. |
Support Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| DELETED | LOCAL | DELETED |
Spares
NONESafety Requirements
NONEProcedure
The maximum blend depth to remove the damage is 0.005 in. (0.13 mm). The blend diameter to depth ratio is 50:1 is required in all directions. The maximum blend diameter is 0.250 in. (6.35 mm).
A minimum separation of 0.250 in. (6.35 mm) is required between blends in all directions. Up to two adjacent blends permitted. An area, between bolthole to bolthole or bolthole to jacking hole, with no blends permitted, is required to accept two more adjacent blends.
A maximum of four blends are permitted within any 90 degree quadrant on each blend permitted surface.
Blend to remove the damage. Refer to SPM TASK 70-35-03-300-501.
SUBTASK 72-42-50-350-052 Remove the Damage
Clean the HPC Rear Static Seal. Refer to SPM TASK 70-11-03-300-503.
SUBTASK 72-42-50-110-063 Clean the HPC Rear Static Seal
Do a penetrant crack test on the repair area(s). Refer to SPM TASK 70-23-05-230-501.
SUBTASK 72-42-50-230-053-001 Do a Crack Test
Refer to Figure.
Use vibration peen method.
Make a mark VRS6116 adjacent to the part number. If VRS6116 is marked on the part, it is not necessary to do this procedure. Refer to SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.
SUBTASK 72-42-50-350-081 Identify the Repair
Figure: Repair Details And Dimensions
Repair Details And Dimensions
Figure: Repair Details And Dimensions
Repair Details And Dimensions
Figure: Repair Details And Dimensions
Repair Details And Dimensions
