TASK 72-41-34-200-023 HPC Variable Stator Vane Rig Pin Brackets - Examine, Inspection-023

DMC:V2500-A0-72-41-3452-00A-300A-C|Issue No:001.00|Issue Date:2013-11-01

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 72-41-34-200-023 HPC Variable Stator Vane Rig Pin Brackets - Examine, Inspection-023

Effectivity

FIG/ITEM PART NO.

02-780

6A3869

02-780

6A4289

02-780

6A7408

02-790

6A3870

03-760

6A3871

03-770

6A3872

03-770

6A4290

03-770

6A5458

03-770

6A5474

03-770

6A7409

03-770

6A8683

03-780

6A3873

04-760

6A3874

04-770

6A3875

04-770

6A4291

04-770

6A5459

04-770

6A5475

04-770

6A7410

04-770

6A8684

05-760

6A3876

05-760

6A4292

05-760

6A5460

05-760

6A5523

05-760

6A7411

05-770

6A3877

06-780

6A3878

06-780

6A5461

06-790

6A3879

06-790

6A5462

General

This TASK gives the procedure for the inspection of the rigging pin brackets.

Fig/item numbers in parentheses in the procedure agree with those used 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.

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 the 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 72-41-34-230-073 Examine the Rigging Pin Brackets for Cracks

    1. Clean the parts. Refer to TASK 72-41-34-100-000 (CLEANING-000).

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

        PART IDENT TASK/SUBTASK

        Rigging pin brackets

        SPM TASK 70-23-02-230-501

        1. Cracked

        1. Reject

    2. SUBTASK 72-41-34-220-162 Examine the Rigging Pin Brackets Rig Pin Holes, Dowel Holes and Bolt Holes

      1. Burred edges

      1. Repair, VRS6364 TASK 72-41-34-300-037 (REPAIR-037)

      2. Elongated

      1. Reject

    3. SUBTASK 72-41-34-220-163 Examine the Rigging Pin Brackets Surfaces

      1. Scored.

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

        1. Accept

        2. More than in step A.(1)

        1. Repair, VRS6364 TASK 72-41-34-300-037 (REPAIR-037)

      2. Burred.

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

        1. Accept

        2. More than in step B.(1)

        1. Repair, VRS6364 TASK 72-41-34-300-037 (REPAIR-037)

      3. Scratched.

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

        1. Accept

        2. More than in step C.(1)

        1. Repair, VRS6364 TASK 72-41-34-300-037 (REPAIR-037)

    4. SUBTASK 72-41-34-220-183 Examine the Rigging Pin Brackets Ring Pin Slots

      1. Burred edges

      1. Repair, VRS6364 TASK 72-41-34-300-037 (REPAIR-037)

      2. Slot.

        1. If the slot width is between 0.239 and 0.240in. (6.07 and 6.10 mm) and the length between 0.307 and 0.323in. (7.80 and 8.20 mm)

        1. Accept

        2. More than in B.(1)

        1. Reject

      3. Slot.

        1. If the slot width is between 0.2757 and 0.2765in. (7.000 and 7.022 mm) and the length between 0.346 and 0.362in. (8.80 and 9.20 mm)

        1. Accept

        2. More than in step C.(1)

        1. Reject

Requirements After Job Completion

Follow-On Conditions

NONE