TASK 74-11-38-200-402 Ignition Exciters - Related Parts - Examine The Brackets, Inspection-002

DMC:V2500-A0-74-11-3800-01A-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 74-11-38-200-402 Ignition Exciters - Related Parts - Examine The Brackets, Inspection-002

Effectivity

FIG/ITEM

PART NO.

01-350

5T0023

01-350

5T0047

01-350

5T0048

01-750

5T0005

01-750

5T0049

01-750

5T0050

General

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

All the parts must be cleaned before any part is examined. Refer to Cleaning-000 TASK 74-11-38-100-400.

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 test before the parts are visually examined. Limits for cracks are given in the SUBTASK for each part.

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 could be shown to be necessary at a later 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 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 74-11-38-230-056 Examine the Brackets for Cracks

    1. Clean the parts. Refer to Cleaning-000 TASK 74-11-38-100-400.

      2. Do the test for cracks on the parts that are given below. Use the applicable penetrant procedure. SPM TASK 70-23-01-230-501.

        1. Brackets

          1. Cracked

          1. Reject

    2. SUBTASK 74-11-38-220-070 Examine the Brackets all the Surfaces

    1. Refer to Figure, Figure and Figure.

      2. Examine the surfaces

        1. Nicked

          1. Nicked to a depth of 0.002 in. (0.05 mm)

          1. Accept

          2. More than in Step

          1. Reject

        2. Scratched

          1. Scratched to a depth of 0.002 in. (0.05 mm)

          1. Accept

          2. More than in Step.

          1. Reject

    3. SUBTASK 74-11-38-220-071 Examine the Brackets Bolt Holes

    1. Refer to Figure, Figure and Figure.

      2. A. Examine the bolt holes at Locations 1, 2, 3 and 4

        1. Worn

          1. The worn hole is less than 1.2 times the diameter and the distance between the worn hole and the edge of the bracket is more than 0.066 in. (1.68 mm)

          1. Accept

          2. Other than in Step.

          1. Reject

    4. SUBTASK 74-11-38-220-072 Examine the Bonding Straps

      1. Examine the bonding straps

        1. Cut

        1. Reject

        2. Broken

        1. Reject

        3. Frayed

        1. Reject

        4. Worn

        1. Reject

      2. Examine the Hi-lock fastener

        1. Loose

        1. Reject

    5. Figure: Brackets (01-350 And 01-750)

    Brackets (01-350 And 01-750)

    Brackets (01-350 And 01-750)

    Brackets (01-350 And 01-750)

Requirements After Job Completion

Follow-On Conditions

NONE