DMC:V2500-A0-72-50-4103-00A-649A-CIssue No:003.00Issue Date:2019-08-01
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 72-50-41-300-016 LPT Rear Lock Nut - Blend Repair, Repair-016 (VRS1483)
General
Price and availability - none.
NOTE
To identify the consumable materials, refer to the Consumable Materials Index.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Fluorescent penetrant inspection equipment | LOCAL | Fluorescent Penetrant Inspection 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 05-107 ABRASIVE STONE | K6835 | CoMat 05-107 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Scallop and make smooth and/or hand polish to remove scores, burrs, galls and pick up. Refer to SPM TASK 70-35-03-300-501.
SUBTASK 72-50-41-350-058 Remove the Damage from the Rear Lock Nut
Refer to SPM TASK 72-50-41-200-000 (INSPECTION-000).
Visually examine the repaired area for nicks, galls, scores, burrs and pick up, use 10x magnifying glass.
Visually examine the repaired area.
SUBTASK 72-50-41-220-083 Examine the Rear Lock Nut
Refer to SPM TASK 70-23-05-230-501.
Make sure there are no cracks in the repaired area.
Fluorescent penetrant examine the repaired area.
SUBTASK 72-50-41-230-053 Examine the Rear Lock Nut
Refer to SPM TASK 70-33-17-300-503.
Remove the used black oxide from the rear locknut.
Refer to SPM TASK 70-33-17-300-503.
Apply black oxide finish.
Refer to SPM TASK 70-33-17-300-503.
Examine the black oxide surface.
SUBTASK 72-50-41-330-051 Apply Black Oxide to the Rear Lock Nut
Figure: Rear lock nut repair limit
Rear lock nut repair limit
