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 72-31-12-300-012 LPC Fan Disk - Repair The Front Outer Snap Diameter By Plasma Spray, Repair-012 (VRS1147)
General
Price and availability - none
The practices and processes referred to in the procedure by the TASK numbers are in SPM.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Dry blast cabinet | LOCAL | |||
| External Micrometer | LOCAL | |||
| Fluorescent penetrant inspection equipment | LOCAL | Fluorescent Penetrant Inspection Equipment | ||
| Magnifying Glass, 7X | LOCAL | |||
| Vertical universal grinder | LOCAL | |||
| Vibrating Marking Pencil | LOCAL | Vibrating Marking Pencil |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 02-001 ADHESIVE TAPE (MASKING) | LOCAL | CoMat 02-001 | ||
| CoMat 02-198 ADHESIVE TAPE (MASKING METAL SPRAY) | LOCAL | CoMat 02-198 | ||
| CoMat 03-037 METAL SPRAYING POWDER,Ni Al | 08662 | CoMat 03-037 | ||
| CoMat 03-038 METAL SPRAYING POWDER NICKEL ALUMINIUM (95/5) | 00BB6 | CoMat 03-038 | ||
| CoMat 03-090 METAL SPRAYING POWDER Ni/Al (95/5) | LOCAL | CoMat 03-090 | ||
| CoMat 03-248 METAL SPRAY POWDER | LOCAL | CoMat 03-248 | ||
| CoMat 03-265 NICKEL CHROMIUM ALUMINIUMPOWDER | LOCAL | CoMat 03-265 | ||
| CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE | LOCAL | CoMat 05-001 | ||
| CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY) | LOCAL | CoMat 06-022 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
SUBTASK 72-31-12-320-001 Grind Front Outer Snap Diameter of Stage 1 Fan Disk
Refer to Figure.
SUBTASK 72-31-12-220-097 Examine Ground Diameter of Stage 1 Fan Disk
Refer to SPM TASK 70-23-05-230-501.
Use fluorescent penetrant inspection equipment.
Do a fluorescent penetrant inspection on front outer snap diameter.
SUBTASK 72-31-12-230-064 Examine Stage 1 Fan Disk for Cracks
Refer to Figure.
Use dry blast cabinet.
Refer to SPM TASK 70-34-01-340-501.
Abrasive blast front outer snap diameter of stage 1 fan disk.
SUBTASK 72-31-12-120-053 Abrasive Blast Front Outer Snap Diameter of Stage 1 Fan Disk
Refer to Figure.
Refer to SPM TASK 70-34-01-340-501.
Use plasma spray facility.
Minimum thickness of the plasma spray must be 0.004 in. (0.1 mm).
Plasma spray front outer snap diameter of stage 1 fan disk.
SUBTASK 72-31-12-340-001 Plasma Spray Front Outer Snap Diameter of Stage 1 Fan Disk
Refer to Figure.
Refer to SPM TASK 70-34-01-340-501.
Use vertical universal grinder.
Use external micrometer.
Grind front outer snap diameter of stage 1 fan disk to dimensions given in figure.
SUBTASK 72-31-12-320-002 Grind Front Outer Snap Diameter of Stage 1 Fan Disk
Refer to Figure.
Refer to SPM TASK 70-34-01-340-501.
Visually examine coated area for chips, cracks, lifted, material and coating that is not attached to base metal.
SUBTASK 72-31-12-220-098 Examine Front Outer Snap Diameter of Stage 1 Fan Disk
Mark permanent mark by procedure given in SPM TASK 70-09-00-400-501.
Use vibrating marking pencil.
Write VRS1147 adjacent to part number.
SUBTASK 72-31-12-350-004 Identify the Repair
Figure: Repair details and dimensions - Plasma spray area
Repair details and dimensions - Plasma spray area

