DMC:V2500-A0-72-42-3100-00A-657A-CIssue No:001.00Issue Date:2013-11-01
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 72-42-31-300-008 No. 4 Bearing Support - Repair The Jackscrew Holes, Repair-008 (VRS3274)
General
Price and availability - refer to IAE
The practices and processes referred to in the procedure by the TASK number are in the SPM.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Tap 0.250-28 UNJF-3B | LOCAL | Tap 0.250-28 UNJF-3B |
Consumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
Refer to: Figure
Use a Tap 0.250-28 UNJF-3B.
Tap to repair damaged threads in the jackscrew holes.
SUBTASK 72-42-31-350-055 Tap the Jackscrew Holes in the No. 4 Bearing Support Assembly
Refer to TASK 72-42-31-200-000.
Examine the jackscrew holes.
SUBTASK 72-42-31-220-060 Examine the No. 4 Bearing Support After Repair
Figure: No. 4 bearing support assembly jackscrew hole repair
No. 4 bearing support assembly jackscrew hole repair
