TASK 72-41-22-200-005 HPC Stage 11 Stator Vane - Examine, Inspection-005

DMC:V2500-A0-72-41-2211-00A-300A-C|Issue No:004.00|Issue Date:2021-02-01

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 72-41-22-200-005 HPC Stage 11 Stator Vane - Examine, Inspection-005

Effectivity

FIG/ITEM

PART NO.

06-150

6A3415

06-150

6A4241

06-150

6A7498

06-200

6A3413

06-200

6A4238

06-200

6A7499

06-200

6A8789

06-250

6A3414

06-250

6A4239

06-250

6A7500

06-250

6A8790

06-350

6A3416

06-350

6A4240

06-350

6A7501

06-350

6A8791

06-400

6A3277C01

06-400

6A4237C01

06-400

6A7502C01

06-400

6A8787

06-448

6A3277C01

06-448

6A4237C01

06-448

6A7502C01

06-448

6A8787

06-450

6A3277C02

06-450

6A4237C02

06-450

6A7502C02

06-450

6A8788

General

This TASK gives the procedure for the inspection of the HP compressor stage 11 stator vanes.

Nicks and dents 0.005 in. (0.13 mm) or less are acceptable without limit to the airfoil and gas washed surfaces of the platforms.

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

The policy that is necessary for inspection is given in the 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 must 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 number are in the SPM.

References

Refer to SPM for data on these items:

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

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 the SPM:

Methods 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 72-41-22-230-055 Examine the Stage 11 Stator Vanes for Cracks

    1. Clean the parts. Refer to TASK 72-41-22-100-000 (CLEANING-000).

      2. Do the test for cracks on the parts that are given below.

        PART IDENT

        TASK/SUBTASK

        Stage 11 Stator Vanes

        1. Cracked.

          1. Airfoil tips.

          1. Refer to Step.

          2. All remaining areas.

          1. Reject.

    2. SUBTASK 72-41-22-220-092-001 Examine the Stage 11 Stator Vanes Concave and Convex Airfoil Surfaces at Locations 1 and 2, (06-150, 06-200, 06-250, 06-350, 06-400, 06-448 and 06-450, 6A3415, 6A3865, 6A4241, 6A3413, 6A3801, 6A4238, 6A3414, 6A3802, 6A4239, 6A3416, 6A3803, 6A4240, 6A3277C01, 6A3804C01, 6A4237C01, 6A3277C01, 6A4237C01, 6A3277C02, 6A3804C02 and 6A4237C02) (Pre SBE 70-0714 and SBE 70-0726)

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

      2. Nicked.

        NOTE

        A Tally surf measuring instrument can be used, however, it is overhaul shops decision on the equipment they choose.

        1. Up to 0.005 in. (0.13 mm) in depth.

        1. Accept.

        2. More than the Step.

        1. Reject.

          NOTE

          A Tallysurf measuring instrument must not be used.

      3. Dented.

        1. Up to 0.005 in. (0.13 mm) in depth.

        1. Accept.

        2. More than in Step.

        1. Reject.

      4. Examine the surface finish of the vanes. Use 10 percent of the vanes that have been removed.

        1. Roughness up to 30 micro-inches (0.80 micrometers).

        1. Accept.

        2. More than Step.

        1. Repair, VRS6084 TASK 72-41-22-300-018 (REPAIR-018).

      3. NOTE

        Any vanes which are in excess of 30 micro-inches, surface inspection must include all of the vanes that have been removed.

    3. SUBTASK 72-41-22-220-092-002 Examine the Stage 11 Stator Vanes Concave and Convex Airfoil Surfaces at Locations 1 and 2 (SBE 70-0714 and SBE 72-0561)

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

      2. Nicked

        1. Up to 0.005 in. (0.13 mm) in depth.

        1. Accept.

        2. More than the Step.

        1. Reject.

      3. Dented.

        1. Up to 0.005 in. (0.13 mm) in depth.

        1. Accept.

        2. More than in Step.

        1. Reject.

      4. Surface finish.

        1. Surface finish of 10 micro-inches (0.25 micrometers) or less.

        1. Accept

        2. More than Step.

        1. Repair, VRS6084 TASK 72-41-22-300-018 (REPAIR-018)

    4. SUBTASK 72-41-22-220-093 Examine the Stage 11 Stator Stop Vanes Stop Slot at Location 3

    1. Refer to Figure.

      2. Galled

      1. Reject

      3. Damage.

        1. To the corners of the slot.

        1. Reject.

    5. SUBTASK 72-41-22-220-094 Examine the Stage 11 Stator Vanes Leading and Trailing Edges at Locations 4 and 5

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

      2. Nicked

        1. Up to 0.005 in. (0.13 mm) in depth.

        1. Accept.

        2. More than the Step.

        1. Reject.

      3. Dented.

        1. Up to 0.005 in. (0.13 mm) in depth.

        1. Accept.

        2. More than in Step.

        1. Reject.

    6. SUBTASK 72-41-22-220-219 Examine the Stage 11 Stator Vanes Chordal Width (A5 only) (pre SBE 70-0714, SBE 70-0714, SBE 70-0726 and SBE 72-0561)

    1. SBE 70-0714: Announcement of super polished HP Compressor Blades and Vanes.

      SBE 70-0726: Announcement of HP Compressor Blades and Vanes without super polished finish.

      SBE 72-0561: Engine- HP Compressor - V2500 Selectone Production- HP Compressor upgrade.

    2. Refer to Figure.

      3. Minimum chord for Z1 and Z2 at the heights A and B not less than value X.

      1. Accept.

      4. Less than value X.

      1. Reject.

    7. SUBTASK 72-41-22-220-096 Examine the Stage 11 Stator Vanes Faces at Locations 8 and 9

    1. Refer to Figure.

      2. Galled.

        1. Not more than 0.002 in. (0.05 mm) in depth. This must not be more than 25 percent of the touch area

        1. Accept

        2. Not more than 0.005 in. (0.13 mm) in depth. This must not be more than 25 percent of the touch area and not less than 0.0787 in. (2.000 mm) from face 10

        1. Accept

        3. More than in Step or Step.

        1. Reject

    8. SUBTASK 72-41-22-220-097 Examine the Stage 11 Stator Vanes Faces at Location 10

    1. Refer to Figure.

      2. Galled.

        1. Up to 0.006 in. (0.15 mm) in depth, not less than 0.040 in. (1.00 mm) away from the land face.

        1. Accept

        2. More than in Step.

        1. Reject

    9. SUBTASK 72-41-22-220-114 Examine the Stage 11 Stator Vanes Airfoil Tips at Location 1061 for Cracks

    1. Refer to Figure, Figure and Figure.

      2. Cracked

      1. Repair, VRS6064 TASK 72-41-22-300-020 (REPAIR-020) or Repair, VRS9535 TASK 72-41-22-300-026 (REPAIR-026).

      3. Rubbed

        1. Within limits in TASK 72-41-00-040-001-A00.

        1. Accept.

        2. Identified with radius beyond min value in TASK 72-41-00-040-001-A00 or vanes not part of a set.

        1. Repair, VRS6064 TASK 72-41-22-300-020 (REPAIR-020) or Repair, VRS9535 TASK 72-41-22-300-026 (REPAIR-026).

    10. SUBTASK 72-41-22-220-098 Examine the Stage 11 Stator Vanes Cheeks at Locations 11 to 16

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

      2. Galled.

        1. Up to 0.015 in. (0.38 mm) in depth. This must not be in an area more than 50 percent of each surface

        1. Accept

        2. More than in Step.

        1. Reject

    11. SUBTASK 72-41-22-220-100 Examine the Stage 11 Stator Vanes at Locations 1140 and 1142

    1. Refer to Figure.

      2. Location 1140.

        1. If the thickness of the land is between 0.0755 in. to 0.0787 in. (1.92 mm to 2.00 mm)

        1. Accept

        2. If the thickness of the land is between 0.0680 in. to 0.0755 in. (1.73 mm to 1.92 mm) over an area of not more than 25 percent

        1. Accept

        3. If the thickness of the land is between 0.0680 in. to 0.0755 in. (1.73 mm to 1.92 mm) over an area of more than 25 percent

        1. Reject

        4. If the thickness of the land is less than the minimum in Step.

        1. Reject

        5. If less than 10 percent reduction in thickness over an areas of less than 25 percent.

        1. Accept

        6. More than Step.

        1. Reject

      3. Location 1142.

        1. If the thickness of the land is between 0.0952 in. to 0.0984 in. (2.42 mm to 2.50 mm)

        1. Accept

        2. If the thickness of the land is between 0.0856 in. to 0.0952 in. (2.18 mm to 2.42 mm) over an area of not more than 25 percent

        1. Accept

        3. If the thickness of the land is between 0.0856 in. to 0.0952 in. (2.18 mm to 2.42 mm) over an area of more than 25 percent

        1. Reject

        4. If the thickness of the land is less than the minimum in Step.

        1. Reject

        5. If less than 10 percent reduction in thickness over an areas of less than 25 percent.

        1. Accept

        6. More than in Step.

        1. Reject

    12. SUBTASK 72-41-22-220-115 Examine the Stage 11 Stator Intrascope Vanes Borescope Hole at Location 17

    1. Refer to Figure.

      2. Galled.

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

        1. Accept

        2. More than Step.

        1. Reject

      3. Scored.

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

        1. Accept

        2. More than Step.

        1. Reject

    13. SUBTASK 72-41-22-220-218 Examine the Stage 11 Stator Vanes Platform (Annulus Surface) at Location 18 (SBE 70-0714 and SBE 72-0561)

      NOTE

      Class identification marks as scores.

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

      2. Surface finish.

        1. Surface finish of 16 micro-inches (0.40 micrometers) or less.

        1. Accept

        2. More than Step.

        1. Reject

      3. Scored/Scratched.

        1. More than 0.005 in. (0.13 mm) in depth

        1. Reject

        2. Not more than 0.005 in. (0.13 mm) in depth

        1. Accept

        3. Airfoil fillet radius.

        1. Reject.

        4. On face edge

        1. Refer to SPM TASK 70-35-03-300-501 to remove score

        5. Remaining face

        1. Accept

      4. Nicked.

        1. Up to 0.005 in. (0.13 mm) in depth.

        1. Accept.

        2. More than the Step.

        1. Reject.

      5. Dented.

        1. Up to 0.005 in. (0.13 mm) in depth.

        1. Accept.

        2. More than in Step.

        1. Reject.

    14. SUBTASK 72-41-22-220-240 Examine the Stage 11 Stator Vanes Platform (Bottom Face)

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

      NOTE

      Class identification marks as scores.

      2. Part marking and repair symbol location 19.

        1. On face edge

        1. Refer to SPM TASK 70-35-03-300-501 to remove score

        2. Remaining face

        1. Accept

      3. Examine the stage 11 stator vane at location 20.

        1. On face edge

        1. Refer to SPM TASK 70-35-03-300-501 to remove score

        2. Remaining face

        1. Accept

    15. SUBTASK 72-41-22-220-116 Examine the Stage 11 Stator Vanes all Remaining Surfaces

      1. Nicked, dented or scored/scratched.

        1. Up to 0.005 in. (0.13 mm) in depth

        1. Accept

        2. More than in Step.

        1. Reject

    16. Figure: Stage 11 Stator Vanes - Inspection Locations

    Sheet 1

    Legend
    Stage 11 Stator Vanes - Inspection Locations

    Sheet 1

    Close

    Figure: Stage 11 Stator Stop Vanes - Inspection Locations

    Sheet 2

    Legend
    Stage 11 Stator Stop Vanes - Inspection Locations

    Sheet 2

    Close

    Figure: Stage 11 Stator Intrascope Vanes - Inspection Locations

    Sheet 3

    Legend
    Stage 11 Stator Intrascope Vanes - Inspection Locations

    Sheet 3

    Close

    Figure: Stage 11 Stator Vanes - Inspection Locations

    Sheet 4

    Legend
    Stage 11 Stator Vanes - Inspection Locations

    Sheet 4

    Close

    Figure: Stage 11 Stator Vanes - Inspection Locations

    Sheet 5

    Legend
    Stage 11 Stator Vanes - Inspection Locations

    Sheet 5

    Close

    Figure: Stage 11 Stator Vanes - Chordal Width Locations and Limits

    Legend
    Stage 11 Stator Vanes - Chordal Width Locations and Limits

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedural steps to add repair reference. (19VG308)