TASK 72-00-50-200-006 LPT Module - Examine The LP Active Clearance Control, Inspection-006

DMC:V2500-A0-72-00-5000-00A-310A-B|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 72-00-50-200-006 LPT Module - Examine The LP Active Clearance Control, Inspection-006

General

Refer to TASK 72-00-00-200-001, (INSPECTION-001) Examine the modular/non-modular interfaces, before you do this TASK.

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

The word "reject" after an interface inspection statement requires that further detailed inspection or repair as applicable, of the affected area be accomplished using data in the applicable ATA section of the part in question. Contact IAE for FAA approved data if the referenced TASK is not in the manual.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-00-50-210-068 Examine the Cracks, the periseal housing, the tube connector and the periseal connector retaining clamps.

      1. Visually examine the retaining clamps of the periseal housing.

        1. Cracked

        1. Reject

      2. Visually examine the periseal housing.

        1. Cracked

        1. Reject

      3. Visually examine the connector tube.

        1. Cracked

        1. Reject

        2. Dented or nicked causes break-through in the tube

        1. Reject

      4. Examine the retaining clamps at tube connections.

        1. If they are dented but function satisfactorily

        1. Accept

        2. Broken or loose

        1. Reject

    2. SUBTASK 72-00-50-220-236 Examine the LPT cooling air duct support and half loop clamps

      1. Visually examine the support.

        1. Cracked up to 0.196in. (5.0 mm) length and a maximum of five cracks on each support

        1. Accept

        2. Loose support

        1. Reject

      2. Visually examine the half loop clamp.

        1. Cracked

        1. Reject

    3. SUBTASK 72-00-50-210-069 Examine the LPT cooling air duct assembly

      1. Examine the cooling air duct assemblies for cracks, dents, nicks and loose mountings.

        1. Cracked cooling tubes

        1. Reject

        2. Cracked housing

        1. Reject

        3. Dented or nicked in any area, causes a breakthrough in the tubes or the housing

        1. Reject

        4. Loose mountings caused by missing or defective rivets

        1. Reject

        5. Cracked brackets

        1. Reject

Requirements After Job Completion

Follow-On Conditions

NONE