TASK 72-41-13-840-001 HPC Rear Shaft - Rework The Shaft For An Increased Service Life, Rework-001 - SBE 72-0068

DMC:V2500-A0-72-41-1301-00A-933A-C|Issue No:001.00|Issue 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 72-41-13-840-001 HPC Rear Shaft - Rework The Shaft For An Increased Service Life, Rework-001 - SBE 72-0068

Effectivity

FIG/ITEM

PART NO.

01-850

6A3807

General

The practices and procedures referred to in the procedure by the TASK number are in the SPM.

Refer to the indicated Service Bulletin for specific application requirements.

The modification given in TASK 72-41-12-840-001 must be incorporated concurrently with this modification. To get the increase in the cycle life limit, the modification specified in the Service Bulletin must be performed before the rear shaft has 5000 cycles.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-13-320-052 Machine the HPC Rear Shaft

      1. Set-up and machine the 2A1386 rear shaft on the outside diameter and the front axial face of the mini-disk at the locations given in the figure.

      1. Refer to Figure and Figure requirements.

    2. SUBTASK 72-41-13-350-052 Identify the HPC Rear Shaft

      1. Mark the new part number adjacent to the part number that was there before.

      1. NUMBER BEFORE: 2A1386.

      2. NEW NUMBER: 2A1990.

      3. Refer to Figure requirements.

      4. Do the procedure given in the SPM TASK 70-09-00-400-501 and use the vibration peen method.

    3. SUBTASK 72-41-13-440-062 Assemble the HP Compressor Rear Shaft Assembly

      1. Assemble the HP compressor rear shaft assembly.

      2. Mark the new part number adjacent to the part number that was there before. The part number is followed by the letters Assy.

      1. NUMBER BEFORE: 6A3807.

      2. NEW NUMBER: 6A3997.

      3. Refer to Figure requirements.

      4. Do the procedure given in the SPM TASK 70-09-00-400-501 and use the vibration peen method.

    4. Figure: Rework of the HP compressor rear shaft

    Rework of the HP compressor rear shaft

    Figure: Rework of the HP compressor rear shaft

    Rework of the HP compressor rear shaft

Requirements After Job Completion

Follow-On Conditions

NONE