TASK 72-44-10-300-029 Stage 1 HPT Support Assembly - Center Flange Inner Diameter Restoration Repair, Repair-029 (VRS3851)

DMC:V2500-A5-72-44-1001-00A-664A-C|Issue No:001.00|Issue Date:2021-02-01

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 72-44-10-300-029 Stage 1 HPT Support Assembly - Center Flange Inner Diameter Restoration Repair, Repair-029 (VRS3851)

Effectivity

FIG/ITEM

PART NO.

01-010

2A4085

Material of component

DESCRIPTION

IAE

SYMBOL

MATERIAL

Stage 1 HPT Support Assembly

-

AMS 5663 Nickel Alloy

General

Price and availability - refer to IAE.

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-44-10-320-068 Machine Center Flange Inner Diameter on the Stage 1 HPT Support Assembly

      1. Machine surface at Index 1 and 3 to restore diameter to 26.642 in. - 26.646 in. (676.707 mm - 676.808 mm).

      1. Refer to Figure.

    2. SUBTASK 72-44-10-110-079 Clean the Stage 1 HPT Support

      1. Clean the support.

      1. Refer to the SPM TASK 70-11-03-300-503.

    3. SUBTASK 72-44-10-220-208 Examine the Repair Area

      1. Fluorescent penetrant inspect the repair area.

        1. Refer to Figure and SPM TASK 70-23-01-230-501.

        1. Use medium sensitivity.

        2. No cracks are permitted.

      2. Do a dimensional inspection of the part.

      1. Refer to Figure.

    4. SUBTASK 72-44-10-350-078 Identify the Repair

      1. Mark VRS3851 adjacent to the part number.

      1. Make a permanent mark by the procedure given in SPM TASK 70-09-00-400-501.

      2. Use the vibration peen method.

    5. Figure: Dimensions After Accomplishment Of Repair

    Dimensions After Accomplishment Of Repair

    Legend
    1

    Dimensions After Accomplishment Of Repair

    1. 26.642 - 26.646 Inches (676.707 - 676.808 mm)

    2. 0.087 Inch (2.210 mm) Minimum

    3. 0.045 - 0.055 Inch (1.143 - 1.397 mm) By 43 - 47 Degrees

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added new repair. (18VC137)