TASK 74-11-38-200-401 Ignition Exciters - Related Parts - Examine The Brackets, Inspection-001

DMC:V2500-A0-74-11-3800-00A-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 74-11-38-200-401 Ignition Exciters - Related Parts - Examine The Brackets, Inspection-001

Effectivity

FIG/ITEM

PART NO.

01-200

5T0032

01-200

5T0051

01-200

6A5768

01-270

5T0038

01-270

5T0041

01-270

5T0043

01-600

5T0032

01-600

5T0051

01-600

6A5769

01-670

5T0030

01-670

5T0045

General

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

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 could be shown to be necessary at a later date.

All 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 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 74-11-38-230-051 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. Refer to SPM TASK 70-23-01-230-501.

        1. Brackets

          1. Cracked

          1. Reject

    2. SUBTASK 74-11-38-220-054 Examine the Brackets Surfaces (Pre SB 70-0026 and 74-0001)

    1. Refer to Figure, Figure and Figure.

      2. Examine the surfaces

        1. Any nickes

        1. Repair, VRS1623 (Repair-004) TASK 74-11-38-300-004.

        2. Any scores

        1. Repair, VRS1623 (Repair-004) TASK 74-11-38-300-004.

    3. SUBTASK 74-11-38-220-075 Examine the Surface of the Bracket (01-200, 6A5768) and (01-600, 6A5769) (SB 74-0001)

      1. Examine all the surface

        1. Nicked

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

          1. Accept

          2. More than in Step

          1. Reject

        2. Dented

          1. Dented to a depth of 0.150 in (3.80 mm) with a large surface area

          1. Accept

          2. More than in Step

          1. Reject

        3. Scratched

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

          1. Accept

          2. More than in Step

          1. Reject

    4. SUBTASK 74-11-38-220-055 Examine the Brackets Bolt Holes (Pre SB 70-0026 and 74-0001)

    1. Refer to Figure, Figure and Figure.

      2. Examine the Bolt hole bores at Location 1

        1. Any burrs

        1. Repair, VRS1623 (Repair-004) TASK 74-11-38-300-004.

    5. SUBTASK 74-11-38-220-077 Examine the Bracket Bolt Holes (01-200, 6A5768) and (01-600, 6A5769) (SB 74-0001)

      1. Examine the bolt hole bores

        1. Any burrs

        1. Reject

    6. SUBTASK 74-11-38-220-076 Examine the Bracket Bolt Holes (01-200, 6A5768) and (01-600, 6A5769) (SB 74-0001)

      1. Examine the mounting holes

        1. Worn

          1. If the hole diameter is between 0.283 in. (7.20 mm) and 0.297 in. (7.56 mm)

          1. Accept

          2. If the diameter is larger than 0.297 in (7.56 mm)

          1. Reject

      2. Examine the clip position holes

        1. Worn

          1. If the hole diameter is between 0.220 in. (5,60 mm) and 0.232 in (5.90 mm)

          1. Accept

          2. If the diameter is larger than 0.232 in. (5.90 mm)

          1. Reject

      3. Examine the slotted holes

        1. Worn

          1. If the length of the slotted hole is not more than 0.472 in (12.0 mm) and the width is not more than 0.297 in (7.56 mm)

          1. Accept

          2. If the dimensions are larger than

          1. Reject

    7. SUBTASK 74-11-38-220-056 Examine the Brackets Bolt Hole Bores (Pre SB 70-0026 and 74-0001)

    1. Refer to Figure, Figure and Figure.

      2. Examine the Bolt hole bores Location 1

        1. Worn

          1. The bore diameter is less than Replacement limits

          1. Accept

          2. More than replacement limits

          1. Reject

    8. SUBTASK 74-11-38-220-057 Examine the Brackets Anti Vibration Mounts (Pre SB 70-0026 and 74-0001)

    1. Refer to Figure, Figure and Figure.

      2. Examine the anti vibration mounts at Location 2

        1. Frayed or distorted

        1. Repair, VRS1624 (Repair-003) TASK 74-11-38-300-003.

    9. SUBTASK 74-11-38-220-078 Examine the Bracket Anti Vibration Mounts (01-200, 6A5768) and (01-600, 6A5769) (SB 74-0001)

      1. Examine the anti vibration mounts

        1. Frayed or distorted

        1. Repair, VRS1624 (Repair-003) TASK 74-11-38-300-003.

    10. SUBTASK 74-11-38-990-058 Examine the Brackets Rivets (Pre SB 70-0026 and 74-0001)

    1. Refer to Figure, Figure and Figure.

      2. Examine the Rivets at Location 3

        1. Loose

        1. Repair, VRS1624 (Repair-003) TASK 74-11-38-300-003.

    11. SUBTASK 74-11-38-220-079 Examine the Brackets Rivets (01-200, 6A5768) and (01-600, 6A5769) (SB 74-0001)

      1. Examine the rivets

        1. Loose or missing

        1. Repair, VRS1624 (Repair-003) TASK 74-11-38-300-003.

    12. Figure: Brackets Pre SB 74-0001 (01-200 and 01-600)

    Brackets Pre SB 74-0001 (01-200 and 01-600)

    Figure: Brackets Pre SB 70-0026 and Pre SB 74-0001 (01-270)

    Brackets Pre SB 70-0026 and Pre SB 74-0001 (01-270)

    Figure: Brackets Pre SB 74-0001 (01-670)

    Brackets Pre SB 74-0001 (01-670)

Requirements After Job Completion

Follow-On Conditions

NONE