TASK 72-44-10-300-022 HPT Stage 1 Support Assembly - Blend And Polish The Front Flange Holes, Repair-022 (VRS3650)

DMC:V2500-A0-72-44-1001-01A-649A-C|Issue No:003.00|Issue Date:2015-05-01

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 72-44-10-300-022 HPT Stage 1 Support Assembly - Blend And Polish The Front Flange Holes, Repair-022 (VRS3650)

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

Material of component

PART IDENT

SYMBOL

MATERIAL

Stage 1 HPT support

-

Nickel alloy

General

Price and availability - Refer to IAE.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-44-10-350-062 Blend and Polish Flange Bolt Holes That Have Cracks

    1. Refer to Figure.

      2. Blend and polish flange bolt holes that have cracks.

        1. Cracks must be no more than 0.060 in. (1.524 mm) in radial length.

        1. The blend from a damaged to undamaged surface must be smooth and gradual.

    2. SUBTASK 72-44-10-230-071 Examine the Repair

      1. Fluorescent penetrant inspect each repaired bolt hole.

        1. Refer to the SPM TASK 70-23-05-230-501 (high sensitivity).

        1. No cracks are permitted.

    3. SUBTASK 72-44-10-380-053 Shot Peen the Repaired Area

    1. Refer to Figure.

    2. Apply a mask to each blended hole.

      3. Shot peen each blended hole at an intensity of 6A.

      1. Refer to the SPM TASK 70-38-13-380-501.

    4. SUBTASK 72-44-10-220-185 Examine the Repair

      1. Examine the support after repair.

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

    5. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised format. (editorial change)