TASK 74-21-43-200-401 Ignition Leads - Related Parts - Examine The Ignition Leads Remaining Parts, Inspection-001

DMC:V2500-A0-74-21-4300-00A-300A-C|Issue No:001.00|Issue Date:2014-05-01

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 74-21-43-200-401 Ignition Leads - Related Parts - Examine The Ignition Leads Remaining Parts, Inspection-001

Effectivity

FIG/ITEM

PART NO.

VARIOUS

BOLT

VARIOUS

NUT

VARIOUS

WASHER

VARIOUS

CLAMP

VARIOUS

CLIP

VARIOUS

SPACER

VARIOUS

SHROUD

General

This TASK gives the procedure for the inspection of the Ignition Leads remaining parts. For the other Ignition Lead parts refer to Inspection-000 TASK 74-21-43-200-400.

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

All the parts must be cleaned before they are examined. Refer to Cleaning-000 TASK 74-21-43-100-400.

All the parts must be visually examined for damage, corrosion and wear.

Defects that are not identified in the procedure must be referred to IAE.

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

Reference

Refer to the SPM for data on these items.

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

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 74-21-43-230-001 Examine the Remaining Parts for Cracks

      1. Clean the parts

      1. Refer to Cleaning-000 TASK 74-21-43-100-400.

      2. Do a crack test on the parts that are given below:

        PART IDENT

        TASK/SUBTASK

        Spacers

        Refer to SPM TASK 70-23-02-230-501.

        Clips

        Refer to SPM TASK 70-23-02-230-501.

        Shroud

        Refer to SPM TASK 70-23-02-230-501.

        1. Cracked

        1. Reject

    2. SUBTASK 74-21-43-220-001 Examine the Spacers

      1. Surfaces

        1. Dented

        1. Reject

        2. Bent

        1. Reject

        3. Worn

        1. Reject

    3. SUBTASK 74-21-43-220-002 Examine the Bolts

      1. Threads

        1. Crossed

        1. Reject

        2. Stripped

        1. Reject

        3. Missing

        1. Reject

        4. Worn

        1. Refer to SPM TASK 70-42-01-400-501.

      2. Surfaces

        1. Nicked

          1. Nicked to a depth of 0.002 in. (0.05 mm) with no high metal

          1. Accept

          2. More than in Step.

          1. Reject

      3. Head

        1. Burred

          1. Burred but with no decrease in function

          1. Accept

          2. In excess of Step.

          1. Reject

    4. SUBTASK 74-21-43-220-003 Examine the Nuts

      1. Threads

        1. Crossed

        1. Reject

        2. Stripped

        1. Reject

        3. Missing

        1. Reject

        4. Worn

        1. Refer to SPM TASK 70-42-01-400-501.

      2. Surfaces

        1. Burred/nicked

          1. Burred/nicked but with no decrease in function

          1. Accept

          2. In excess of Step.

          1. Reject

    5. SUBTASK 74-21-43-220-004 Examine the Washers

      1. Surfaces

        1. Burred

        1. Reject

    6. SUBTASK 74-21-43-220-005 Examine the Clamps

      1. Threads

        1. Damaged

        1. Reject

    7. SUBTASK 74-21-43-220-006 Examine the Clips

      1. Surfaces

        1. Burred

        1. Reject

    8. SUBTASK 74-21-43-220-014 Examine the Shrouds

      1. Burred

      1. Reject

      2. Distorted

      1. Reject

Requirements After Job Completion

Follow-On Conditions

NONE