TASK 72-44-40-840-001 HPT Stage 1 Outer Seal - Rework To Improve Cooling Air To The HPT, Rework-001 - SBE 72-0029

DMC:V2500-A0-72-44-4001-00A-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

Pre SBE 72-0079

Common Information

TASK 72-44-40-840-001 HPT Stage 1 Outer Seal - Rework To Improve Cooling Air To The HPT, Rework-001 - SBE 72-0029

Effectivity

FIG/ITEM

PART NO.

01-010

2A0330-01

General

The practices and processes referred to in the procedure by the TASK numbers are in the SPM.

Refer to the indicated Service Bulletin for specific application requirements.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-44-40-320-051 Machine the Stage 1 HPT Seal Assembly

      1. Set up and machine Surface G to get the dimensions specified.

      1. Refer to Figure.

    2. SUBTASK 72-44-40-350-051 Identify the Stage 1 HPT Seal Assembly with the New Part Number

      1. Identify the seal assembly with the new part number adjacent to the existing part number. Use the vibration peen method.

        1. NUMBER BEFORE: 2A0330-01.

          NEW NUMBER: 2A1980-01.

        1. Refer to Figure and the SPM TASK 70-09-00-400-501.

    3. Figure: Rework the stage 1 HPT seal assembly

    Rework the stage 1 HPT seal assembly

Requirements After Job Completion

Follow-On Conditions

NONE