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 72-45-14-840-001 HPT Stage 1 Blade - Rework The Blades, Rework-001 - SBE 72-0046
General
You must do the rework on the stage 1 HPT cooling duct assembly given in TASK 72-44-50-840-001, SBE 72-0046 - REWORK 001 at the same time you do the rework given in this procedure.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
Refer to the indicated Service Bulletin for specific application requirements.
Repair facilities
The source Demonstration requirements of this rework means that any facility not authorized to accomplish this rework either utilize the Authorized Rework Vendors listed below or contact IAE Technical Services to determine if a qualification program can be initiated at their facility.
IAE-INTERNATIONAL AERO ENGINES AG
400 Main Street
East Hartford CT 06108
ATTN: Director Technical Services
Authorized rework vendors for this bulletin are listed below:
CHROMALLOY RESEARCH AND TECHNOLOGY
CHROMALLOY AMERICAN CORPORATION
Blaisdell Road
Orangeburg, New York 10962 USA
The designation by IAE of an authorized rework vendor indicates that the vendor has demonstrated the necessary capability to enable it to carry out the rework. However, IAE makes no warranties or representations concerning the qualifications or quality standards of the vendors to carry out the rework, and accepts no responsibility whatsoever for any work that may be carried out by a vendor, other than when IAE is listed as the vendor. Authorized rework vendors do not act as agents or representatives of IAE.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Send the blades to the approved rework vendor to do the modification and identification.
SUBTASK 72-45-14-350-053 Rework the Stage 1 HPT Blades
Refer to procedure given in TASK 70-09-00-400-501.
NUMBER BEFORE - 2A2321.
NEW NUMBER - 2A2521.
Mark the new stage 1 turbine rotor assembly number adjacent to the number that was there before. Use the vibration peen method.
SUBTASK 72-45-14-350-055 Identify the 2A2321 Stage 1 Turbine Rotor Assembly
Refer to procedure given in TASK 70-09-00-400-501.
NUMBER BEFORE - 2A1621.
NEW NUMBER - 2A2721.
Mark the new stage 1 turbine rotor assembly number adjacent to the number that was there before. Use the vibration peen method.
SUBTASK 72-45-14-350-056 Identify the 2A1621 Stage 1 Turbine Rotor Assembly
Refer to procedure given in TASK 70-09-00-400-501.
NUMBER BEFORE - 2A1021.
NEW NUMBER - 2A6321.
Mark the new stage 1 turbine rotor assembly number adjacent to the number that was there before. Use the vibration peen method.
SUBTASK 72-45-14-350-057 Identify the 2A1021 Stage 1 Turbine Rotor Assembly
Refer to procedure given in TASK 70-09-00-400-501.
NUMBER BEFORE - 2A1921.
NEW NUMBER - 2A6421.
Mark the new stage 1 turbine rotor assembly number adjacent to the number that was there before. Use the vibration peen method.
SUBTASK 72-45-14-350-058 Identify the 2A1921 Stage 1 Turbine Rotor Assembly
Refer to procedure given in TASK 70-09-00-400-501.
NUMBER BEFORE - 2A0400.
NEW NUMBER - 2A1700.
NOTE
Before you identify the rotor and stator assembly, you must rework the stage 1 HPT cooling duct assembly by the procedures given in TASK 72-44-50-840-001, SBE 72-0046 - Rework 001.Mark the new rotor and stator assembly number adjacent to the number that was there before. Use the vibration peen method.
SUBTASK 72-45-14-350-059 Identify the 2A0400 Rotor and Stator Assembly
Refer to procedure given in TASK 70-09-00-400-501.
NUMBER BEFORE - 2A1300.
NEW NUMBER - 2A5200.
NOTE
Before you identify the rotor and stator assembly, you must rework the stage 1 HPT cooling duct assembly by the procedures given in TASK 72-44-50-840-001 SBE 72-0046 - Rework 001.Mark the new rotor and stator assembly number adjacent to the number that was there before. Use the vibration peen method.
SUBTASK 72-45-14-350-060 Identify the 2A1300 Rotor and Stator Assembly that Incorporates Service Bulletin V2500-ENG-72-0011
Refer to procedure given in TASK 70-09-00-400-501.
NUMBER BEFORE - 2A1300.
NEW NUMBER - 2A5100.
NOTE
Before you identify the rotor and stator assembly, you must rework the stage 1 HPT cooling duct assembly by the procedures given in TASK 72-44-50-840-001, SBE 72-0046 - Rework 001.Mark the new rotor and stator assembly number adjacent to the number that was there before. Use the vibration peen method.
SUBTASK 72-45-14-350-061 Identify the 2A1300 Rotor and Stator Assembly when Service Bulletin V2500-ENG-72-0011 is not Incorporated
Figure: Rework of the stage 1 HPT blades
Rework of the stage 1 HPT blades

