TASK 75-27-49-200-403 Ignition Exciter Cooling Air Tubes - Related Parts - Examine The Ignition Exciter Cooling Tubes Remaining Parts, Inspection-003

DMC:V2500-A0-75-27-4900-02A-310A-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 75-27-49-200-403 Ignition Exciter Cooling Air Tubes - Related Parts - Examine The Ignition Exciter Cooling Tubes Remaining Parts, Inspection-003

Effectivity

FIG/ITEM

PART NO.

01-100

5A0422

01-110

4W0001

01-115

4W2328

01-125

AN737TW38

01-200

5A0263

01-210

AN737TW38

01-500

5A0422

01-510

4W0001

01-515

4W2328

01-525

AN737TW38

01-600

5A0264

01-610

AN737TW38

General

All the parts must be cleaned before they are examined. Refer to Cleaning-000 TASK 75-27-49-100-400.

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

References

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 75-27-49-220-056 Examine the Screws

      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).

          1. Accept

          2. More than in Step.

          1. Reject

      3. Head/Slot

        1. Burred

          1. Burred but with no decrease in function.

          1. Accept

          2. More than in Step.

          1. Reject

    2. SUBTASK 75-27-49-220-057 Examine the Self-Locking 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. More than in Step.

          1. Reject

    3. SUBTASK 75-27-49-220-058 Examine the Hose Clamps

      1. Surfaces

        1. Cracked/torn

        1. Reject

        2. Twisted

        1. Reject

      2. Threads

        1. Stripped

        1. Reject

        2. Worn

        1. Reject

        3. Missing

        1. Reject

      3. Tabs

        1. Cracked/missing

        1. Reject

Requirements After Job Completion

Follow-On Conditions

NONE