TASK 79-21-51-200-403 Air Cooled Oil Cooler (ACOC) Modulating Valve - Related Parts - Examine The Brackets, Inspection-003

DMC:V2500-A0-79-21-5100-02A-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 79-21-51-200-403 Air Cooled Oil Cooler (ACOC) Modulating Valve - Related Parts - Examine The Brackets, Inspection-003

Effectivity

FIG/ITEM

PART NO.

01-550

5T8142

01-550

5T8094

01-710

5T8144

01-710

5T8096

General

This TASK gives the procedure for the inspection of the brackets A1 and A3. For the other oil cooler air modulating valve parts, refer to Inspection-000 TASK 79-21-51-200-400.

Fig/item numbers in parentheses in the procedure agree with those used in the IPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the IPC.

All the parts must be cleaned before the part is examined. Refer to Cleaning-000 TASK 79-21-51-100-400.

All parts must be visually examined for damage, corrosion and wear. Defects that are not identified in the procedure must be referred to IAE.

Do not discard the 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 must 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 repairs have been completed satisfactorily.

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 79-21-51-230-055 Examine the Bracket (01-550 and 01-710) for Cracks

    1. Clean the parts. Refer to Cleaning-000 TASK 79-21-51-100-401.

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

        1. Bracket Refer to SPM TASK 70-23-01-230-501.

          1. Cracked

          1. Reject

    2. SUBTASK 79-21-51-220-057 Examine the Bracket (01-550 and 01-710)

      1. Surface

        1. Nicked

        1. Repair, VRS1690 (Repair-001) TASK 79-21-51-300-001.

        2. Scored

        1. Repair, VRS1690 (Repair-001) TASK 79-21-51-300-001.

    3. SUBTASK 79-21-51-220-058 Examine the Bracket (01-550 and 01-710) Flange Face Mounting Bolt Holes

      1. Bolt hole

        1. Burred

        1. Repair, VRS1690 (Repair-001) TASK 79-21-51-300-001.

    4. SUBTASK 79-21-51-220-059 Examine the Bracket (01-550 and 01-710) Bolt Hole Bore

      1. Worn

        1. If the bore diameter is less than 0.3143 in. (7.983 mm)

        1. Accept

        2. More than in Step.

        1. Reject

Requirements After Job Completion

Follow-On Conditions

NONE