TASK 72-32-00-200-014 Fan Exit Pressure Boss - Examine, Inspection-014

DMC:V2500-A0-72-32-0013-00A-300A-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 72-32-00-200-014 Fan Exit Pressure Boss - Examine, Inspection-014

Effectivity

FIG/ITEM

PART NO.

03-200

5A0413

03-200

5A1613

General

This TASK gives the procedure for the inspection of the fan exit pressure boss. For the other parts of the LP compressor/intermediate case module, refer to TASK 72-32-00-200-000 (INSPECTION-000).

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 TASK 72-32-00-100-000 (CLEANING-000).

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.

Do not discard any part until you are sure there are no repairs available.

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 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 the data on these items.

Definitions of Damages, TASK 70-02-02-350-501

Record and Control of the Lives of Parts, TASK 70-05-00-220-501

Inspection of Parts, TASK 70-20-00-200-501

Some data on these items are contained in this TASK. For more data on these items refer to the SPM.

Method of Testing for Crack Indications

Chemical Processes

Surface Protection

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent penetrant inspection equipment

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-00-230-067 Examine the Fan Exit Pressure Boss (03-200) for Cracks

      1. Clean the part.

      2. Refer to TASK 72-32-00-100-000 (CLEANING-000).

      1. Do the test for cracks on the parts that are given below. Use the applicable penetrant procedure.

        PART IDENT

        TASK/SUBTASK

        Fan Exit Pressure Boss

        TASK

        1. Cracked

        2. Reject

    1. SUBTASK 72-32-00-220-139 Examine the Fan Exit Pressure Boss (03-200) Flange

    2. Refer to Figure.

      1. Examine the bolt holes at Location 1.

        1. Burred and Galled.

          1. Up to 0.012 in. (0.30 mm) in depth

          2. Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)

          1. More than in step Step

          2. Reject

      1. Examine the flange surface at Locations 7 and 11.

        1. Nicked, scored and dented.

          1. Up to 0.008 in. (0,20 mm) in depth

          2. Accept

          1. More than Step

          2. Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)

    1. SUBTASK 72-32-00-220-140 Examine the Fan Exit Pressure Boss (03-200) Bores at Locations 1, 5, 8, 9 and 10

    2. Refer to Figure.

      1. Plugged

      2. Clean with air blast

    1. SUBTASK 72-32-00-220-141 Examine the Fan Exit Pressure Boss (03-200) End Fitting

    2. Refer to Figure.

      1. Examine the seal surface at Location 4.

      2. Nicked, scored and dented.

        1. Up to 0.004 in. (0.10 mm) in depth

        2. Accept

        1. More than Step

        2. Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)

      1. Examine the threads at Locations 2 and 6.

        1. Pick-up

        2. Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)

        1. Crossed or stripped

        2. Reject

    1. SUBTASK 72-32-00-220-142 Examine the Fan Exit Pressure Boss (03-200) Surface

    2. Refer to Figure.

      1. Examine all other surfaces.

        1. Nicked, scored and dented.

          1. Up to 0.010 in. (0.25 mm) in depth

          2. Accept

          1. More than Step

          2. Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)

  1. Figure: Fan Exit Pressure Boss Inspection Locations

    Fan Exit Pressure Boss Inspection Locations

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Fluorescent penetrant inspection equipment
Tool Name:Fluorescent Penetrant Inspection Equipment