TASK 72-44-10-300-003 HPT Stage 1 Support Assembly - Blend Repair The Stage 1 HPT Support - Repair-003 (VRS3273)

DMC:V2500-A0-72-44-1001-00A-649A-C|Issue No:003.00|Issue Date:2014-11-01

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 72-44-10-300-003 HPT Stage 1 Support Assembly - Blend Repair The Stage 1 HPT Support - Repair-003 (VRS3273)

Effectivity

FIG/ITEM

PART NO.

01-010

2A1292

01-010

2A1358

01-010

2A1664

01-010

2A2703

01-010

2A3360

01-010

2A4027

01-010

2A3367

01-010

2A3896

01-010

2A4085

Material of component

PART IDENT

SYMBOL

MATERIAL

Stage 1 HPT support

-

Nickel alloy

General

Price and availability - refer to IAE

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

NOTE

You must remove the stage 1 HPT seal from the stage 1 HPT support assembly to do this repair. Refer to TASK 72-44-10-040-001 (DISASSEMBLY-001).

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Hand stoneLOCALHand stone

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-44-10-350-057 Blend the Damaged Areas on the Stage 1 HPT Support

      1. Blend round-bottom dents, nicks, scratches, wear and corrosion up to 0.010 in. (0.254 mm).

        1. Do not blend snap diameter surfaces shown in Figure, Figure and Figure.

        1. Only light scuffing is permitted on these surfaces.

        2. Smoothly blend all other damaged areas.

        3. The maximum blend depth is 0.010 in. (0.254 mm) and the length to depth ratio must be 15 to 1 or more.

      2. Blend surface damage that is more than 0.010 in. (0.254 mm) in depth.

        1. Blend only in the area shown in Figure.

        1. Only eight areas are permitted with surface damage more than 0.010 in. (0.254 mm).

        2. Minimum wall thickness of 0.035 in. (0.889 mm) must be maintained.

        3. Only one area of surface damage more than 0.010 in. (0.254 mm) is permitted at a mounting lug location.

        4. A maximum of two adjacent mount lug locations may be blend repaired if surface damage exceeds 0.010 in. (0.254 mm).

        5. Maximum blend depth is 0.015 in. (0.381 mm) and the length to depth ratio must be 15 to 1 or more.

    2. SUBTASK 72-44-10-230-056 Fluorescent Penetrant Inspect the Stage 1 HPT Support after Blend Repair

      1. Fluorescent penetrant inspect the support.

      1. Refer to the SPM TASK 70-23-02-230-501.

    3. SUBTASK 72-44-10-220-098 Examine the Stage 1 HPT Support after Blend Repair

      1. Inspect the area of the support you repaired.

      1. Refer to TASK 72-44-10-200-000 (INSPECTION-000).

    4. Figure: Repair Details and Dimensions (PN 2A1292, PN 2A1358 and PN 2A1664)

    Repair Details and Dimensions (PN 2A1292, PN 2A1358 and PN 2A1664)

    Repair Details and Dimensions (PN 2A1292, PN 2A1358 and PN 2A1664)

    Repair Details and Dimensions (PN 2A1292, PN 2A1358 and PN 2A1664)

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure and Figure 1 (Sheets 1, 2 and 3). (EA14VC139)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Hand stone
Tool Name:Hand stone