TASK 72-50-53-200-007 No. 5 Bearing Front Thermal Heat Shield Segments - Examine, Inspection-007

DMC:V2500-A0-72-50-5303-00A-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 72-50-53-200-007 No. 5 Bearing Front Thermal Heat Shield Segments - Examine, Inspection-007

Effectivity

FIG/ITEM PART NO.

21-062

2A1768-01

21-072

2A1769-01

General

This TASK gives the procedure for the inspection of the No. 5 bearing heat shield segments. For the other parts of the exhaust case and fittings, refer to TASK 72-50-53-200-000 (INSPECTION/CHECK-000).

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

The policy that is necessary for inspection is given in the SPM TASK 70-20-00-200-501.

All the parts must be cleaned before any part is examined. Refer to the SPM TASK 70-10-00-100-501.

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.

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 72-50-53-220-105 Examine the No. 5 Bearing Heat Shield Segments (21-062 and 21-072) for Dents, Wear, Rips or Cuts

    1. Refer to: Figure

      2. Examine the heat shield segments for dents, wear, rips or cuts.

        1. Dents.

          1. Smooth dents up to 0.125in. (3.175 mm) in depth

          1. Accept

          2. Other than (a)

          1. Repair, VRS3330 TASK 72-50-53-300-034 (REPAIR-034)

        2. Wear with foil not damaged

        1. Accept

        3. Rips, cuts or any other break in the foil

        1. Repair, VRS3330 TASK 72-50-53-300-034 (REPAIR-034)

    2. Figure: No. 5 bearing heat shield segments inspection locations

    No. 5 bearing heat shield segments inspection locations

Requirements After Job Completion

Follow-On Conditions

NONE