TASK 72-50-52-200-001-A00 No. 5 Bearing Retaining Plate - Examine, Inspection-001

DMC:V2500-A0-72-50-5202-00A-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 72-50-52-200-001-A00 No. 5 Bearing Retaining Plate - Examine, Inspection-001

Effectivity

FIG/ITEM PART NO.

01-140

4P8075

General

This TASK gives the procedure for the inspection of the bearing retainer plate. For the other parts of the No. 5 bearing retainer, refer to TASK 72-50-52-200-000.

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 70-20-01-200-501.

All the parts must be cleaned before any part is examined. Refer to the SPM TASK 70-11-03-300-503.

All 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 the SPM TASK 70-24-00-240-501. Do the test before the part is visually examined. Limits for cracks are given in the SUBTASK for each part.

A ** following repair referenced this inspection indicated that the repair is not yet published in the current revision of the manual and the part must be rejected. Contact IAE for additional information concerning FAA approved repair date.

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.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-50-52-240-051-001 Examine the Bearing Retainer Plate for Cracks

    1. Clean the part. Refer to TASK 72-50-52-100-000 (CLEANING-000).

      2. Do the test for cracks on the part that is given below. Use the applicable penetrant inspection.

        PART IDENT

        TASK/SUBTASK

        Bearing retainer plate

        SPM TASK 70-23-01-230-501 (Dip or spray)

        1. Cracked

        1. Reject

    2. SUBTASK 72-50-52-240-051-002 Examine the Bearing Retainer Plate for Cracks

    1. Clean the part. Refer to TASK 72-50-52-100-000 (CLEANING-000).

      2. Do the test for cracks on the part that is given below. Use the applicable penetrant inspection.

        PART IDENT

        TASK/SUBTASK

        Bearing retainer plate

        SPM TASK 70-23-02-230-501 (Dip or spray)

        1. Cracked

        1. Reject

    3. SUBTASK 72-50-52-220-052 Examine the Bearing Retainer Plate

    1. Refer to Figure.

      2. Piloting diameter at location 1.

        1. Diameter.

          1. Between 5.590 and 5.5884 in. (141.986 and 141.946 mm)

          1. Accept

          2. Less than 5.5884 in. (141.946 mm)

          1. Repair, VRS5012 TASK 72-50-52-300-001

      3. Shoulder (dimensions are referred to surface A) at location 4.

        1. Thickness.

          1. Between 0.1238 and 0.1231 in. (3.146 and 3.128 mm)

          1. Accept

          2. Less than 0.1231 in. (3.128 mm)

          1. Repair, VRS5015 TASK 72-50-52-300-004

      4. Slot at location 2.

        1. Fretting marks and wear.

          1. In 0.002 in. (0.05 mm) depth

          1. Accept

          2. More than (a)

          1. Repair, VRS5013 TASK 72-50-52-300-002

      5. Mounting face at location 3.

        1. Fretting marks and wear.

          1. In 0.002 in. (0.05 mm) depth

          1. Accept

          2. More than (a)

          1. Repair, VRS5014 TASK 72-50-52-300-003

    4. Figure: Locations - Bearing retainer plate

    Locations - Bearing retainer plate

Requirements After Job Completion

Follow-On Conditions

NONE