TASK 72-42-20-300-003 No. 4 Bearing Compartment Cooling Air Tube - Blend Repair Surface Damage, Repair-003 (VRS3023)

DMC:V2500-A0-72-42-2051-00A-649A-C|Issue No:002.00|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 72-42-20-300-003 No. 4 Bearing Compartment Cooling Air Tube - Blend Repair Surface Damage, Repair-003 (VRS3023)

Effectivity

FIG/ITEM

PART NO.

05-020

2A1031-01

05-020

2A3187-01

Material of components

PART IDENT

SYMBOL

MATERIAL

No. 4 bearing cooling tube

Stainless steel

General

Price and availability - refer to IAE.

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
File (fine)LOCALFile (fine)

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-42-20-350-061 Blend the Surface Damage on the No.4 Bearing Cooling Tube

      1. Blend high metal on the cooling tube.

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

      2. Blend surface damage on the cooling tube.

      1. Blend to a maximum of 0.005 in. (0.127 mm) deep.

    2. SUBTASK 72-42-20-220-117 Examine the Repair

      1. Examine the tube after repair.

      1. Refer to Inspection-000 TASK 72-42-20-200-100 and Figure.

    3. Figure: Blend the Surface Damage on the No.4 Bearing Cooling Tube

    Blend the Surface Damage on the No.4 Bearing Cooling Tube

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Deleted consumable materials and corrected the SPM reference. (EA13VC080)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:File (fine)
Tool Name:File (fine)