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
V2500-A5
Common Information
TASK 72-00-00-300-005 Combustor Liner Replacement - Project Visit Maintenance, Repair-005 (VRS3826)
General
This repair is not intended to be utilized for normal shop visits for the purpose of scheduled engine/module overhaul or refurbishment where a full on-wing interval is expected. This procedure alone does not permit any engine to be zero-timed (time since level 3 maintenance).
All applicable Airworthiness Directives (AD's) must be complied with for any eligible engine and AD's take precedence over all inspections or repairs for this procedure.
Preliminary Requirements
Pre-Conditions
| Action/Condition | Data Module/Technical Publication |
|---|---|
| Acceptable magnetic chip collector inspection results. | |
| Engine does not require any reduced interval inspections, except for Outer or Inner Combustion Chamber Assembly hardware. | |
| Engine must pass operator C-check borescope inspection limits or equivalent Engine Manual borescope inspection requirements. | |
| The condition of the HPT Stage 1 BOAS must be satisfactory to EM borescope, with no requirement for reduced interval inspections. | TASK 72-00-00-200-004-B00 |
Support Equipment
NONEConsumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
The designation by IAE of an authorized vendor indicates that the repair vendor has demonstrated the necessary capability to enable it to carry out the listed repair work. However, IAE makes no warranties or representations concerning the qualifications or quality standards of the repair vendors to carry out the repair work and accepts no responsibility whatsoever for any work that may be carried out by a repair vendor, other than when IAE Is listed as the repair vendor. Authorized repair vendors do not act as agents or representatives of IAE.
The proprietary nature of this repair requires that any facility not authorized to accomplish this repair shall contact IAE Repair Development Group to determine if a qualification program can be initiated at their facility.
IAE International Aero Engines AG
400 Main Street
M/S 121-10
East Hartford CT 06118
U.S.A.
Attn: Manager Technical Services
Disassemble the engine as required to access relevant subassemblies and modules per the V2500 - A1/A5 Engine Manual.
TASK 72-00-42-200-001 Outer Combustion Chamber Assembly - Project Visit Maintenance
TASK 72-00-44-200-001 Turbine Nozzle Assembly - Project Visit Maintenance
TASK 72-00-45-200-003 HPT Assembly - Project Visit Maintenance
TASK 72-00-50-200-007 LPT Module - Project Visit Maintenance
Perform the following IAE proprietary tasks without module teardown:
Examine the HP Compressor Rotor Assembly at interface H-41, Inspection-002, to the extent exposed. Refer to TASK 72-00-40-220-002-B00.
Examine the No. 4 Bearing and Rear Compartment Parts Rear Face at interface L-43, Inspection-002, to the extent exposed. Refer to TASK 72-00-43-220-002.
Examine the LPT module at interface F-50, Inspection-005. Refer to TASK 72-00-50-220-005.
Re-assemble the engine per the V2500-A1/A5 Engine Manual.
Requirements After Job Completion
Follow-On Conditions
| Action/Condition | Data Module/Technical Publication |
|---|---|
| Engine performance must satisfy the limits of Engine Manual Test 10. | TASK 71-00-00-700-010-B00 |
| Post-test borescope inspection must satisfy airline C-check requirements. | |
| Acceptable visual check of LPC and HPC gaspath that confirms airfoils did not sustain damage during test. | |
| Engine does not require any reduced interval inspections at re-delivery. |
