TASK 72-41-12-200-001 HPC Vortex Reducer Ring - Examine, Inspection-001

DMC:V2500-A0-72-41-1202-00A-300A-C|Issue No:003.00|Issue Date:2019-11-01

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 72-41-12-200-001 HPC Vortex Reducer Ring - Examine, Inspection-001

Effectivity

FIG/ITEM

PART NO.

01-575

6A3097

General

This TASK gives the procedure for the inspection of the vortex reducer ring.

Fig/item numbers in parentheses in the procedure agree with those used in the EIPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the EIPC.

The policy that is necessary for inspection is given in SPM TASK 70-20-01-200-501.

All the parts must be cleaned before any part is examined.

All the parts must be visually examined for damage, corrosion and wear. Any defects that are not identified in the procedure must be referred to IAE.

The procedure for those parts which have a crack test is given in Step Do the crack test before the part is visually examined.

Do not discard any part until you are sure there are no repairs available. Refer to the instructions in repair before a discarded part is used again or oversize parts are installed.

Parts which should be discarded can be held although no repair is available.

The repair of a discarded part can be shown to be necessary at a subsequent date.

All the parts must be examined to make sure that all the repairs have been completed satisfactorily.

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

References

Refer to SPM for data on these items:

Definitions of Damage, SPM TASK 70-02-02-350-501,

Record and Control of the Lives of Parts, SPM TASK 70-05-00-220-501,

Inspection of Parts, SPM TASK 70-20-01-200-501.

Some data on these items is contained in this TASK. For more data on these items refer to SPM:

Method of Testing for Crack Indications,

Chemical Processes,

Surface Protection.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-12-230-051 Examine the Vortex Reducing Ring for Cracks

    1. Clean the part. Refer to TASK 72-41-12-100-000.

      2. Do the test for cracks on the part that is given below.

        PART IDENT

        TASK/SUBTASK

        Vortex reducing ring

        1. Cracked.

        1. Reject.

    2. SUBTASK 72-41-12-220-051 Examine the Vortex Reducing Ring at the Location 1006

    1. Refer to Figure.

      2. Scored.

      1. Reject.

      3. Wear.

        1. If the diameter is between 12.5221 in. to 12.5235 in. (318.062 mm to 318.098 mm).

        1. Accept.

        2. If the diameter is less than in Step.

        1. Reject.

        3. If the diameter is more than in Step.

        1. Repair, VRS6529 TASK 72-41-12-300-026 (REPAIR-026).

    3. SUBTASK 72-41-12-220-052 Examine the Vortex Reducing Ring Surface at Locations 1 and 2

    1. Refer to Figure.

      2. Galled.

        1. Up to 0.002 in. (0.05 mm) in depth.

        1. Accept.

        2. More than in Step.

        1. Repair, VRS6086 TASK 72-41-12-300-001 (REPAIR-001).

      3. Scored.

        1. Up to 0.002 in. (0.05 mm) in depth.

        1. Accept.

        2. More than in Step.

        1. Repair, VRS6086 TASK 72-41-12-300-001 (REPAIR-001).

    4. SUBTASK 72-41-12-220-053 Examine the Vortex Reducing Ring Surface at Location 3

    1. Refer to Figure.

      2. Scored.

        1. Up to 0.002 in. (0.05 mm) in depth.

        1. Accept.

        2. More than in Step.

        1. Repair, VRS9531 TASK 72-41-12-300-006 (REPAIR-006).

      3. Galled.

        1. Up to 0.002 in. (0.05 mm) in depth.

        1. Accept.

        2. More than in Step.

        1. Repair, VRS9531 TASK 72-41-12-300-006 (REPAIR-006).

    5. SUBTASK 72-41-12-220-054 Examine the Vortex Reducing Ring Vortex Tubes at Location 4

    1. Refer to Figure.

      2. Loose.

      1. Repair, VRS6261 TASK 72-41-12-300-003 (REPAIR-003).

      3. Distorted.

      1. Repair, VRS6261 TASK 72-41-12-300-003 (REPAIR-003).

      4. Bent.

      1. Repair, VRS6261 TASK 72-41-12-300-003 (REPAIR-003).

      5. Dented.

      1. Repair, VRS6261 TASK 72-41-12-300-003 (REPAIR-003).

    6. SUBTASK 72-41-12-220-205 Examine the Vortex Reducer Ring Surfaces at Location 1 and Location 2

    1. Refer to Figure.

      2. Galled or fretted.

        1. Not more than 0.002 in. (0.05 mm) in depth.

        1. Accept.

        2. More than 0.002 in. (0.05 mm) in depth but not more than 0.006 in. (0.16 mm) in depth.

        1. Repair, VRS6086 TASK 72-41-12-300-001 Part 1, (REPAIR-001).

        3. More than Step.

        1. Reject.

      3. Nicked, Dented, Scratched or Scored.

        1. Not more than 0.003 in. (0.08 mm).

        1. Repair, VRS6086 TASK 72-41-12-300-001 Part 2, (REPAIR-001).

        2. More than Step.

        1. Reject.

      4. Corroded or Pitted.

      1. Reject.

    7. Figure: Vortex Reducing Ring - Inspection Locations

    Vortex Reducing Ring - Inspection Locations

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised repair reference. (19VG139)

Change Type:

Added inspection criteria for vortex reducing ring surface at location 3. (19VG164)