TASK 71-51-49-200-401 Ignition Relay Box - Related Parts - Examine The Relay Box Mounting Brackets, Inspection-001

DMC:V2500-A0-71-51-4900-00A-310A-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 71-51-49-200-401 Ignition Relay Box - Related Parts - Examine The Relay Box Mounting Brackets, Inspection-001

Effectivity

FIG/ITEM

PART NO.

01-310

6A2821

01-310

6A5445

01-330

5A9127

01-370

5A9170

01-370

5A0835

01-370

6A7432

01-380

6A3105

01-390

5W1988

01-390

5W0089

01-390

6A4669

01-390

5W0089

01-400

6A3104

01-400

6A4132

01-400

6A5626

General

This TASK gives the procedure for the inspection of the relay box mounting brackets. For the other relay box mounting parts refer to Inspection/Check-000 TASK 71-51-49-200-400.

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.

The policy that is necessary for the inspection is given in SPM TASK 70-20-01-200-501.

All the parts must be cleaned before any part is examined. Refer to Cleaning-000 TASK 71-51-49-100-400.

All the parts must be visually examined for damage, corrosion and wear. 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 relevant SUBTASK. Do the crack test before the part is visually examined.

Do not discard a 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 are completed satisfactorily.

Practices and processes referred to in the procedure by the TASK number 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.

Some data on these items is 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

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 71-51-49-230-002 Examine the Brackets for Cracks

    1. Clean the part. Refer to Cleaning-000 TASK 71-51-49-100-400.

      2. Do the crack test on all the brackets listed in EFFECTIVITY. Use the applicable penetrant inspection procedure.

        1. Brackets. Refer to SPM TASK 70-23-05-230-501.

          1. Cracked

          1. Reject

    2. SUBTASK 71-51-49-220-060 Examine the Brackets

      1. Examine all the surfaces.

        1. Nicked

          1. Nicked to a depth of 0.002 in. (0.05 mm).

          1. Accept

          2. More than in Step.

          1. Reject

        2. Scored

          1. Scored to a depth of 0.002 in. (0.05 mm).

          1. Accept

          2. More than in Step.

          1. Reject

        3. Dented

          1. Up to 0.010 in. (0.25 mm) in depth and 0.50 in. (12.7 mm) in diameter.

          1. Accept

          2. More than in Step.

          1. Reject

      2. Distorted or bent.

      1. Reject

      3. Examine the bolt holes.

        1. Worn

          1. Any wear

          1. Reject

        2. Burred

        1. Reject

    3. SUBTASK 71-51-49-220-061 Examine the Anchor Nuts on the Brackets

      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. Rivets

        1. Loose

        1. Reject

        2. Missing

        1. Reject

Requirements After Job Completion

Follow-On Conditions

NONE