TASK 72-32-80-300-001 LPC Cases - LPC Assembly - Repair The Surface Damage, Repair-001 (VRS1997)

DMC:V2500-A5-72-32-8000-00A-610A-C|Issue No:001.00|Issue Date:2020-05-01

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 72-32-80-300-001 LPC Cases - LPC Assembly - Repair The Surface Damage, Repair-001 (VRS1997)

Effectivity

FIG/ITEM

PART NO.

01-100

5W0133

Material of component

PART IDENT

SYMBOL

MATERIAL

LPC Rotor assembly

Aluminum alloy - LPC front case and LPC rear case

General

Price and availability - none

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

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent Penetrant Inspection Equipment
10X Magnifying glassLOCAL10X Magnifying glass

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-80-110-053 Clean the Area to be Repaired in the LPC Assembly

      1. Clean the area to be repaired.

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

    2. SUBTASK 72-32-80-350-071 Remove the Damage from the LPC Assembly

    1. Refer to Figure, Figure, Figure and Figure.

      2. NOTE

        If repair the bolt hole, blend the bolt hole one by one position. Do not blend the bolts at two positions or more at the same time.

        Make smooth and/or hand polish to remove the damage.

      1. Use portable grinding equipment, abrasive stones or papers and/or fine file.

      2. Surface finish of the repair must be the same as the adjacent area.

      3. Refer to the SPM TASK 70-35-03-300-501.

    3. SUBTASK 72-32-00-220-157 Examine the LPC Assembly

      1. Visually examine the repaired area.

      1. Visually examine the repaired area for corrosion, galls, nicks, pits dents and/or corrosion using 10X Magnifying glass.

      2. Refer to TASK 72-32-80-200-000 (INSPECTION-000).

    4. SUBTASK 72-32-80-230-055 Examine the LPC Assembly for Cracks

      1. Fluorescent penetrant examine the repaired area.

      1. Refer to the SPM TASK 70-23-05-230-501.

      2. Make sure there are no cracks in the repaired area.

    5. SUBTASK 72-32-80-380-001 Apply Surface Protection to the LPC Assembly

      1. Apply the chromate conversion coating for aluminum with a brush to the repaired area.

      1. Refer to the SPM TASK 70-38-02-300-503.

    2. Flush the area with clean, cold water.

    3. Dry the area with dry air blast.

    6. Figure: LPC Front Case - Blend Limits At Module

    LPC Front Case - Blend Limits At Module

    Figure: LPC Front Case - Blend Limits At Module

    LPC Front Case - Blend Limits At Module

    Figure: Blend Limits For Bolt Hole At Front Flange

    Blend Limits For Bolt Hole At Front Flange

    Figure: LPC Rear Case - Blend Limits At Module

    LPC Rear Case - Blend Limits At Module

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added new repair. (19VJ804)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:10X Magnifying glass
Tool Name:10X Magnifying glass
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