TASK 72-41-23-300-011 HPC Rear Outer Case - Replace Damaged Shank Nuts, Repair-011 (VRS6279)

DMC:V2500-A0-72-41-2301-01A-920A-C|Issue No:002.00|Issue Date:2016-08-01

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 72-41-23-300-011 HPC Rear Outer Case - Replace Damaged Shank Nuts, Repair-011 (VRS6279)

Effectivity

FIG/ITEM

PART NO.

ASSEMBLY

02-400

6A2949

A

02-400

6A3557

A

02-400

6A5495

A

02-400

6A4154

A

02-400

6A4407

A

02-400

6A5497

A

02-400

6A5682

B

02-400

6A6513

B

02-400

6A8162

B

02-400

6B1427

B

Material of component

PART IDENT

SYMBOL

MATERIAL

HP Compressor rear outer

case assembly

EEJ

or

Corrosion resistant steel

ENJ

Chrom cobalt molybdenum electro

flux remelted steel

Nut, self locking shank

EAR

Austenitic heat resistant steel -

Vacuum melted

General

This Repair must only be done when the instruction to do so is given in 72-41-23 Inspection/Check.

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

Price and availability

Refer to International Aero Engines

NOTE

More equipment and materials necessary to do this Repair are in the SPM TASKS given below:
TASK 70-23-01-230-501
TASK 70-35-11-300-501

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Drilling equipmentLOCALDrilling equipment
Standard workshop equipmentLOCALStandard workshop equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
IAE 3R18718 Tool bolt0AM53IAE 3R18718
IAE 3R18737 Swage bush0AM53IAE 3R18737

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Nut self locking shankLOCALAS27857132

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-23-323-051-A00 Remove the Shank Nut(s), Assembly A

    1. Refer to Figure.

      2. Drill the flare until the nut is released.

      1. Refer to the SPM TASK 70-35-11-300-501.

      2. Use a drilling machine with an 0.315 in. (8.00 mm) diameter drill.

    3. Remove the nut.

      4. Remove the sharp edges around the nut location hole.

      5. Clean the nut location hole.

      1. Use a soft, clean cloth and remove part with air.

    2. SUBTASK 72-41-23-323-051-B00 Remove the Shank Nut(s), Assembly B

    1. Refer to Figure.

      2. Drill the flare until the nut is released.

      1. Refer to the SPM TASK 70-35-11-300-501.

      2. Use a drilling machine with a 0.315 in (8.00mm) diameter drill.

    3. Remove the nut.

      4. Remove the sharp edges around the nut location hole.

      5. Clean the nut location hole.

      1. Use a soft clean cloth and remove part with air.

    3. SUBTASK 72-41-23-220-097-A00 Examine the Nut Location, Assembly A

    1. Refer to Figure and Figure.

    2. Visually examine, and check the dimension of the nut location holes.

    4. SUBTASK 72-41-23-220-097-B00 Examine the Nut Location, Assembly B

    1. Refer to Figure and Figure.

    2. Visually examine and check the dimension of the nut location holes.

    5. SUBTASK 72-41-23-230-062 Do a Crack Test

      1. Do a penetrant crack test, in the area of repair.

      1. Refer to the SPM TASK 70-23-01-230-501.

      3. Cracks are not permitted.

    6. SUBTASK 72-41-23-350-057-A00 Install the New Shank Nuts, Assembly A

    1. Refer to Figure and Figure.

      2. Install the new nut in the location hole.

      1. Use AS27857 nut self-locking shank, 02-510, as necessary.

      2. Make sure the shank nut is installed correctly.

      3. Hold the nut and swage the flare.

    7. SUBTASK 72-41-23-350-057-B00 Install the New Shank Nuts, Assembly B

    1. Refer to Figure and Figure.

      2. Install the new nut into the location hole.

      1. Use AS27857 nut self locking shank, 02-510, as necessary.

      2. Make sure the shank nut is installed correctly.

      3. Hold the nut and swage the flare.

    8. SUBTASK 72-41-23-230-063 Do a Crack Test

      1. Do a penetrant crack test, in the area of repair.

      1. Refer to the SPM TASK 70-23-01-230-501.

      3. Cracks are not permitted.

    9. Figure: Repair details and dimensions- Assembly A

    Repair details and dimensions- Assembly A

    Figure: Repair details and dimensions - Assembly A

    Repair details and dimensions - Assembly A

    Figure: Repair details and dimensions - Assembly B

    Repair details and dimensions - Assembly B

    Figure: Repair details and dimensions - Assembly B

    Repair details and dimensions - Assembly B

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added part number 6B1427 to effectivity table. (90VR731D)

Manufacturer Code:0AM53
Enterprise Name:IAE INTERNATIONAL AERO ENGINES AG
BU Name:NULL
Building:SUITE 400
Street:628 HEBRON AVENUE
City:GLASTONBURY
State:CT
Zip Code:06033
Country:USA
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Manufacturer Code:LOCAL
Tool Number:Drilling equipment
Tool Name:Drilling equipment
Manufacturer Code:0AM53
Tool Number:IAE 3R18718
Tool Name:IAE 3R18718 Tool bolt
Manufacturer Code:0AM53
Tool Number:IAE 3R18737
Tool Name:IAE 3R18737 Swage bush
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Link not Found