TASK 72-45-22-300-006 Stage 1 HPT Duct Support Segment - Blend Repair, Repair-001 (VRS3821)

DMC:V2500-A5-72-45-2200-00A-649A-C|Issue No:001.00|Issue Date:2017-11-01

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 72-45-22-300-006 Stage 1 HPT Duct Support Segment - Blend Repair, Repair-001 (VRS3821)

Effectivity

FIG/ITEM

PART NO.

01-010

2A4130

Material of component

DESCRIPTION

SYMBOL

MATERIAL

Stage 1 HPT Duct Support Segment

-

INCONEL 718

General

Price and availability - none

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-45-22-350-067 Blend Surface Damage on the Stage 1 HPT Duct Support Segment

      CAUTION

      DO NOT ATTEMPT TO BLEND REPAIR A CRACK INDICATION. BLENDING CAN CAUSE SMEARING OF SURFACE MATERIAL AND CAN AFFECT FPI RESULTS.

      1. Blend surface damage at Locations 3 and 4.

      1. Refer to Figure and the SPM TASK 70-35-21-350-501.

      2. Blend surface damage at Locations 5 and 6.

      1. Refer to Figure and the SPM TASK 70-35-03-300-501.

    2. SUBTASK 72-45-22-230-055 Examine the repair areas

      1. Do a fluorescent penetrant inspection of the repair area after blending.

    3. Figure: Stage 1 HPT Duct Segment Support - Blend Repair

    0.033 Inch (0.839 mm) Minimum Flange Thickness, After Blending.

    Legend
    [1]

    0.033 Inch (0.839 mm) Minimum Flange Thickness, After Blending.

    [2]

    0.278 Inch (7.062 mm) Minimum, After Blending.

    [3]

    Blend Area: Full Circumferential Blending Is Permitted As Long As The Index [2] Minimum Is Not Exceeded. Local Blends Are Permitted To An Additional 0.010 Inch (0.254 mm) (0.268 Inch (6.808 mm) Minimum) But Are Limited To A Maximum Circumferential Length Of 0.500 Inch (12.700 mm) And Must Be Separated From Other Blends By A Minimum Of 1.000 Inch (25.400 mm).

    [4]

    Blending In This Area Is Only Permitted In Order To Remove Raised Material Or Sharp Edges. The Minimum Wall Thickness From Index [1] Cannot Be Exceeded.

    [5]

    Blending In This Area Is Only Permitted In Order To Remove Raised Material Or Sharp Edges. The Minimum Wall Thickness From Index [1] Cannot Be Exceeded.

    [6]

    Blending In This Area Is Only Permitted In Order To Remove Raised Material Or Sharp Edges On Wear Measuring A Maximum Depth Of 0.005 Inch (0.127 mm).

    [7]

    Break Edge 0.003 - 0.015 Inch (0.077 - 0.381 mm).

    Close

Requirements After Job Completion

Follow-On Conditions

NONE